Best 8GB DDR4 RAMS in 2026: 15 Picks Ranked by Specs
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Choosing the best 8GB DDR4 RAMs requires matching your system’s specific form factor and speed limits. We compared 15 options ranked strictly by published specifications. The G.SKILL RipjawsV 8GB 2400MHz Red leads because its CL15 latency offers tighter timing than many competitors at 2400MHz. These picks are based on the specs found on each listing. This guide helps you decide between desktop UDIMMs and laptop SODIMMs based on size, speed, and latency.
Quick picks
The best fit for you
- You need a budget desktop 8GB kit G.SKILL RipjawsV 8GB 2400MHz Red It is a 2x4GB kit with CL15 latency for basic tasks.
- You want the fastest standard desktop speed Timetec 8GB DDR4 3200MHz UDIMM It runs at 3200MHz with CL22 latency for desktop upgrades.
- You are upgrading a laptop with SODIMM Crucial 8GB DDR4 2400MHz SODIMM RAM It is an 8GB 2400MHz SODIMM for portable systems.
- You need 2133MHz for an Intel NUC Timetec 8GB DDR4 2133MHz SODIMM It provides baseline 2133MHz performance with CL15 latency.
Our 15 picks
G.SKILL RipjawsV 8GB 2400MHz Red
Best for: Budget desktop builds needing 8GB
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2400MT/s
- CAS Latency
- CL15
- Voltage
- 1.20V
- Module Configuration
- 2x4GB
View on Amazon: G.SKILL RipjawsV 8GB 2400MHz Red Affiliate link
This G.SKILL RipjawsV kit gives you 8GB of DDR4 memory in a 2x4GB configuration. It runs at 2400MT/s with a tight CL15 latency. The module is a 288-pin UDIMM designed for desktop PCs. It includes Intel XMP support for overclocking. You get a red heat spreader and matched kit stability. It suits desktop builders who want reliable speeds.
Pros
- 8GB total capacity in a 2x4GB kit
- 2400MT/s speed with CL15 latency
- Intel XMP profile included for overclocking
- 288-pin UDIMM form factor for desktops
Cons
- Requires BIOS adjustment to reach maximum speed
- Only 8GB total, which is limited for modern workloads
- Lower speed than 2666MHz or 3200MHz options on this list
Good fit if
- You are building a budget desktop PC
- You need a matched 2x4GB kit for dual-channel performance
- You want low latency CL15 timings
Skip if
- You require 16GB or more capacity
- You need speeds faster than 2400MT/s
- You are upgrading a laptop with SODIMM slots
Verdict: G.SKILL RipjawsV 8GB DDR4 Desktop RAM offers solid CL15 latency for desktop users. It fits you if you need a reliable 2x4GB kit for basic gaming or office tasks.
SK Hynix 8GB DDR4 PC4-17000U RAM
Best for: baseline PC4-17000 desktop memory replacement
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8 GB
- Module Configuration
- 1x8GB
- Dimensions
- 5.25 × 0.15 × 1.21 inches
View on Amazon: SK Hynix 8GB DDR4 PC4-17000U RAM Affiliate link
This SK Hynix memory module gives you 8GB of DDR4 capacity in a dual-rank 2Rx8 configuration. It runs at PC4-17000 bandwidth specifications and measures 5.25 inches long by 1.21 inches tall. You get a compact single-module upgrade that suits compatible desktop motherboards requiring standard PC4-17000U memory modules for daily computing tasks.
Pros
- 8GB DDR4 capacity
- PC4-17000 bandwidth rating
- Dual-rank 2Rx8 architecture
- Standard 1.21-inch module height
Cons
- Rated at PC4-17000, which operates below the PC4-21300 and PC4-25600 alternatives on this list
- Single-stick configuration does not supply multi-channel operation on its own
Good fit if
- You need an 8GB PC4-17000 DDR4 module for your desktop motherboard.
- You require a 2Rx8 dual-rank memory layout.
- You need standard 1.21-inch desktop stick clearance.
Skip if
- You need faster PC4-19200, PC4-21300, or PC4-25600 transfer rates.
- You are upgrading a laptop that requires SODIMM memory.
Verdict: SK Hynix 8GB DDR4 PC4-17000 RAM suits desktop users who need a baseline PC4-17000 dual-rank module to restore or expand memory in an existing system.
G.SKILL 8GB Ripjaws V DDR4 2400MHz
Best for: Basic desktop upgrades needing 8GB
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8 GB
- Memory Speed
- 2400MHz
- CAS Latency
- CL15
- Compatible Device
- Desktop
- Dimensions
- 8.6 × 5.9 × 0.6 inches
View on Amazon: G.SKILL 8GB Ripjaws V DDR4 2400MHz Affiliate link
This G.SKILL Ripjaws V module provides 8GB of DDR4 desktop memory running at 2400MHz. It features a black heat spreader and measures 8.6 inches in length. The kit is designed for standard desktop systems. You will get reliable performance for everyday computing tasks. The physical dimensions fit most standard desktop cases. This option suits users who need a single stick of memory for basic upgrades.
Pros
- 8GB capacity for standard desktop use
- 2400MHz memory speed
- 240-pin UDIMM form factor
- Black heat spreader design
Cons
- Only 8GB capacity limits multitasking
- 2400MHz speed is slower than 3200MHz options
- Single stick configuration prevents dual-channel performance
Good fit if
- You need a single 8GB stick for a desktop upgrade
- You are building a budget PC with standard speed requirements
- You want a low-profile module for standard cases
Skip if
- You require 16GB or more of total system memory
- You need high-speed gaming performance above 2666MHz
- You are upgrading a laptop requiring SODIMM modules
Verdict: G.SKILL Ripjaws V 8GB DDR4 is a solid choice for desktop users needing a single 8GB stick at 2400MHz. It fits well in standard builds where maximum speed is not the priority.
Crucial 8GB DDR4 2400MHz SODIMM RAM
Best for: laptop DDR4-2400 memory upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2400MT/s
- Module Configuration
- 1x8GB
- Form Factor
- SODIMM
- Dimensions
- 2.7 × 0.2 × 1.1 inches
View on Amazon: Crucial 8GB DDR4 2400MHz SODIMM RAM Affiliate link
This Crucial module provides 8GB of DDR4 memory running at a 2400MHz transfer rate (PC4-19200). Built in a 260-pin SODIMM form factor, it measures 2.7 inches long and 1.1 inches high. You get a single module designed for laptops and small-form-factor devices that accept DDR4-2400 specifications rather than standard full-size desktop DIMM slots.
Pros
- 8GB DDR4 capacity in a single module
- 260-pin SODIMM form factor for compact systems
- 2400MHz (PC4-19200) operating speed
- Low physical profile at 1.1 inches tall
Cons
- 2400MHz clock rate is slower than 3200MHz options
- 260-pin SODIMM format does not fit standard 288-pin desktop motherboards
Good fit if
- You need a 260-pin SODIMM module for a laptop or mini PC.
- You have hardware configured for DDR4-2400 memory speeds.
- You want to fill an empty slot with an 8GB stick.
Skip if
- You need standard 288-pin desktop DIMM RAM.
- You require faster data rates like 3200MHz.
Verdict: Crucial 8GB 2400MHz DDR4 SODIMM gives portable systems an 8GB memory boost at standard DDR4-2400 speeds. It fits users upgrading or repairing laptops that require 260-pin memory modules.
OWC 8GB DDR4 2400MHz SODIMM
Best for: 2017 iMac upgrades and basic laptop RAM
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2400MHz
- Voltage
- 1.2 Volts
- Module Configuration
- 1 x 8GB
- Form Factor
- SO-DIMM
View on Amazon: OWC 8GB DDR4 2400MHz SODIMM Affiliate link
This OWC 8GB DDR4 module runs at 2400MHz in a 260-pin SODIMM form factor. It operates at 1.2 volts and is non-ECC. The data confirms compatibility with 2017 iMac models and general PC laptops. It meets JEDEC specifications. You should choose this if you need a verified upgrade for older Apple desktops or standard laptops requiring this specific speed and capacity.
Pros
- 2400MHz memory speed
- 260-pin SODIMM form factor
- 1.2V operating voltage
- Lifetime Limited Warranty
Cons
- 2400MHz is slower than 3200MHz options
- Single 8GB stick limits multitasking
- Limited to specific older iMac models
Good fit if
- You own a 2017 iMac requiring 2400MHz RAM
- You need a single 8GB SODIMM for a laptop
- You want a warranty-safe upgrade for older hardware
Skip if
- You need speeds above 2400MHz for gaming
- You require a dual-channel 16GB kit
- You have a modern laptop needing 3200MHz
Verdict: OWC 8GB DDR4 2400MHz SODIMM fits users with 2017 iMacs or laptops needing a single 8GB stick. It offers verified compatibility and lifetime support. It is not ideal for high-speed gaming or modern systems requiring faster memory.
Timetec 8GB DDR4 3200MHz UDIMM
Best for: standard desktop PC memory upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 3200MHz
- CAS Latency
- CL22
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
View on Amazon: Timetec 8GB DDR4 3200MHz UDIMM Affiliate link
This Timetec module is a single 8GB DDR4 desktop memory stick rated at 3200MHz. It operates at 1.2V with CL22 timing and automatically downclocks to 2933MHz or 2666MHz when required by your system. You get a standard 288-pin unbuffered non-ECC design. It suits you if you need a basic speed upgrade for a compatible desktop PC.
Pros
- Runs at 3200MHz using standard 1.2V power
- Automatically downclocks to 2933MHz or 2666MHz when needed
- Backed by a limited lifetime warranty
- Standard 1.2-inch height fits compact desktop clearance
Cons
- CL22 CAS latency is higher than performance memory
- Incompatible with laptop SODIMM slots
- Single-module packaging requires a second stick for dual-channel bandwidth
Good fit if
- You need a single 8GB DDR4 module for a desktop motherboard
- You have a system supporting 3200MHz, 2933MHz, or 2666MHz UDIMM memory
- You want standard 1.2V plug-and-play non-ECC operation
Skip if
- You need memory for a laptop requiring 260-pin SODIMM sticks
- You want lower CAS latency timings for gaming setups
- You require error-correcting ECC memory for server hardware
Verdict: Timetec 8GB DDR4 3200MHz Desktop RAM gives desktop users a plug-and-play replacement module that matches systems requiring 3200MHz, 2933MHz, or 2666MHz speeds. It fits general-purpose office PCs and workstations using unbuffered 288-pin memory.
Timetec 8GB DDR4 2400MHz Desktop UDIMM
Best for: 2400MHz desktop motherboard memory upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2400MHz
- CAS Latency
- CL17
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
View on Amazon: Timetec 8GB DDR4 2400MHz Desktop UDIMM Affiliate link
This Timetec desktop memory module gives you 8GB of DDR4 capacity running at 2400MHz. It uses a standard 288-pin UDIMM form factor, operates at 1.2 volts, and features CL17 latency. Designed as a single unbuffered non-ECC stick, it suits you if you need a plug-and-play memory replacement or expansion for a compatible desktop motherboard.
Pros
- Runs at 2400MHz with CL17 timings at standard 1.2V
- Standard 288-pin UDIMM layout for desktop systems
- Backed by a limited lifetime warranty
Cons
- Clock rate of 2400MHz is slower than 3200MHz alternatives
- Module rank and PCB color vary by batch
- Does not fit laptop SODIMM slots
Good fit if
- You need a single 8GB DDR4 module for a desktop motherboard
- You require standard 1.2V non-ECC memory with CL17 latency
Skip if
- You need laptop memory requiring a 260-pin SODIMM form factor
- You want higher transfer speeds such as 3200MHz
Verdict: Timetec 8GB DDR4 2400MHz UDIMM delivers standard desktop memory performance for systems built around 2400MHz DDR4 specifications.
G.SKILL RipjawsV 8GB DDR4 2666MHz
Best for: Single-stick desktop upgrades with red aesthetics
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2666MT/s
- CAS Latency
- CL19
- Voltage
- 1.20V
- Module Configuration
- 1x8GB
View on Amazon: G.SKILL RipjawsV 8GB DDR4 2666MHz Affiliate link
This G.SKILL RipjawsV module provides 8GB of DDR4 memory for desktop PCs. It operates at 2666MHz with a CAS latency of CL19 and runs at 1.20V. The red UDIMM is designed for gaming and general computing. You need to enable XMP or adjust BIOS settings to reach the maximum speed. It includes a JEDEC default profile for basic compatibility.
Pros
- 8GB single stick capacity
- 2666MHz memory speed
- CL19 latency rating
- 1.20V operating voltage
- Red heat spreader design
Cons
- Single 8GB stick limits dual-channel performance
- Requires manual overclocking for max speed
- Higher latency than 3200MHz kits
Good fit if
- You need a single 8GB upgrade stick
- You prefer red aesthetics for your build
- Your motherboard supports 2666MHz speeds
Skip if
- You require dual-channel 16GB kits
- You want plug-and-play 3200MHz speeds
- You need low latency gaming memory
Verdict: G.SKILL RipjawsV 8GB DDR4 2666MHz suits desktop users needing a single high-speed stick with a red finish. It fits builds where you can manually configure XMP profiles for optimal performance. This module is ideal for upgrading existing systems with compatible 2666MHz support.
A-Tech 8GB DDR4 2666MHz SODIMM RAM
Best for: dual-slot laptop and mini PC memory upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 2x8GB
View on Amazon: A-Tech 8GB DDR4 2666MHz SODIMM RAM Affiliate link
This memory kit includes two 8GB DDR4 SODIMM modules running at 2666MHz with standard 1.2V operation. The 260-pin non-ECC unbuffered design fits compatible laptops, mini PCs, and all-in-one systems with two memory slots. It suits you if you need a matching dual-module kit to increase total system capacity and multitasking bandwidth using standard JEDEC timings.
Pros
- Includes two matching 8GB modules for a 16GB dual-channel setup
- Operates at standard 1.2V JEDEC DDR4 voltage
- Covered by a limited lifetime warranty
Cons
- Clocks at 2666MHz instead of faster 3200MHz speeds
- Incompatible with desktop DIMM slots and ECC systems
Good fit if
- You have a laptop, mini PC, or all-in-one system with two DDR4 SODIMM slots.
- You need 2666MHz non-ECC unbuffered memory running at standard 1.2V.
Skip if
- You need full-size desktop DIMM modules.
- You want memory modules rated for 3200MHz speeds.
Verdict: A-Tech 16GB Kit (2x8GB) DDR4 2666MHz SODIMM provides laptop and mini PC owners with a matched two-stick memory setup running at standard JEDEC 1.2V specifications.
A-Tech 8GB DDR4 2400MHz SODIMM RAM
Best for: 2400 MHz DDR4 laptop memory upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2400 MHz
- CAS Latency
- CL17
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
View on Amazon: A-Tech 8GB DDR4 2400MHz SODIMM RAM Affiliate link
This single 8GB DDR4 module runs at 2400 MHz with CL17 timings at 1.2V. Designed as a 260-pin non-ECC unbuffered SODIMM, it targets compatible notebooks and laptops requiring standard PC4-19200 memory. If you want a straightforward memory replacement that adheres to JEDEC standards and includes a lifetime warranty, this module matches systems built for 2400 MHz operation.
Pros
- Standard 1.2V DDR4 JEDEC operating voltage
- CL17 latency at 2400 MHz speed
- Backed by a manufacturer lifetime warranty
- Compact 260-pin SODIMM form factor for laptops
Cons
- Lower 2400 MHz speed compared to 2666 MHz and 3200 MHz options
- SODIMM form factor is incompatible with standard 288-pin desktop motherboards
- Non-ECC design lacks error-correcting capability
Good fit if
- You need a 260-pin DDR4 SODIMM replacement for a 2400 MHz laptop.
- You prefer a module backed by a lifetime warranty.
- You want standard JEDEC 1.2V unbuffered non-ECC memory.
Skip if
- You have a desktop computer that requires 288-pin UDIMM modules.
- You need faster 2666 MHz or 3200 MHz DDR4 memory speeds.
Verdict: A-Tech 8GB DDR4 2400MHz Laptop SODIMM fits laptop owners seeking a standard 1.2V, CL17 unbuffered module to match 2400 MHz system specifications.
Timetec 8GB DDR4 2666MHz SODIMM RAM
Best for: 2666MHz CL19 laptop and mini PC upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
View on Amazon: Timetec 8GB DDR4 2666MHz SODIMM RAM Affiliate link
This Timetec module gives you 8GB of DDR4 laptop memory operating at 2666MHz with CL19 latency. It runs at standard 1.2V using a 260-pin SODIMM layout designed for notebooks, mini PCs, and all-in-one systems. If your laptop motherboard requires non-ECC unbuffered memory at 2666MHz, this single stick delivers the exact target frequency and timing specs you need.
Pros
- CL19 CAS latency rated for 2666MHz operation
- Standard 1.2V low operating voltage
- Backed by a limited lifetime warranty
- Standard 260-pin SODIMM form factor
Cons
- Clock speed tops out at 2666MHz rather than 3200MHz
- Incompatible with desktop 288-pin DIMM slots
- Module rank varies by production batch between 1Rx8, 2Rx8, and 1Rx16
Good fit if
- You need a single 8GB SODIMM replacement running at 2666MHz CL19.
- You are upgrading a laptop, notebook, mini PC, or all-in-one PC.
Skip if
- You have a desktop computer that takes standard 288-pin DIMMs.
- You want higher memory bandwidth from 3200MHz modules.
Verdict: Timetec 8GB DDR4 2666MHz SODIMM RAM fits laptop and mini PC owners who need an unbuffered 1.2V module matched specifically to 2666MHz CL19 system requirements.
Timetec 8GB DDR4 2133MHz SODIMM
Best for: Intel NUC and mini PC upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2133MHz
- CAS Latency
- CL15
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
View on Amazon: Timetec 8GB DDR4 2133MHz SODIMM Affiliate link
This single 8GB memory module from Timetec runs at DDR4-2133 speed with CL15 latency at standard 1.2 volts. Designed in a 260-pin SODIMM form factor, it targets compact systems such as Intel NUC kits, Mini PCs, and HTPCs. If you need a single-channel replacement or basic capacity upgrade for an older small-form-factor machine, this module meets standard baseline specifications.
Pros
- Low CL15 CAS latency timing
- Standard 1.2V low-voltage operation
- Manufacturer lifetime warranty included
- Single-rank 1Rx8 260-pin SODIMM configuration
Cons
- 2133MHz frequency is the lowest clock speed on this list
- Single 1x8GB module does not provide dual-channel memory bandwidth
Good fit if
- You have an Intel NUC, Mini PC, or HTPC that takes 260-pin DDR4 SODIMMs.
- You need an 8GB memory replacement running at standard 2133MHz CL15 specifications.
Skip if
- You require higher transfer speeds like 2666MHz or 3200MHz.
- You need a full-size 288-pin desktop UDIMM module.
Verdict: Timetec 8GB DDR4 2133MHz SODIMM delivers baseline 2133MHz performance with CL15 latency for compatible Intel NUC and mini PC systems. It fits users servicing or restoring small-form-factor computers capped at 2133MHz transfer rates.
OLOy 8GB DDR4 2400MHz Laptop RAM
Best for: Basic laptop upgrades needing single stick
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2400 MHz
- CAS Latency
- CL17
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
View on Amazon: OLOy 8GB DDR4 2400MHz Laptop RAM Affiliate link
This OLOy module provides 8GB of DDR4 memory in a single stick format. It operates at 2400MHz with CL17 latency and 1.2V voltage. The 260-pin SODIMM design fits standard laptops. You get a lifetime warranty for long-term reliability. It is a practical upgrade for older systems needing basic capacity expansion.
Pros
- 8GB single-stick capacity
- 2400MHz speed rating
- 1.2V low voltage
- Lifetime warranty coverage
Cons
- Lower 2400MHz speed than many competitors
- Single stick limits dual-channel performance
- Higher CL17 latency than faster kits
Good fit if
- You need a single 8GB stick for a laptop
- You want a lifetime warranty for peace of mind
- Your system supports 2400MHz DDR4 modules
Skip if
- You require dual-channel performance from two sticks
- You need speeds above 2400MHz for gaming
- You are building a high-performance desktop system
Verdict: OLOy 8GB DDR4 2400MHz SODIMM is a reliable basic upgrade for laptops that only need one memory stick. It suits users who prioritize warranty coverage over raw speed.
OWC 8GB DDR4 2666MHz SODIMM
Best for: Mac and laptop upgrades needing reliable 8GB
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2666MHz
- Voltage
- 1.2 Volts
- Module Configuration
- 1 x 8GB
- Form Factor
- SO-DIMM
View on Amazon: OWC 8GB DDR4 2666MHz SODIMM Affiliate link
This OWC memory module provides 8GB of DDR4 storage running at 2666MHz. It uses the SODIMM form factor, making it suitable for laptops and compact desktops. The module operates at 1.2 Volts and is non-ECC. It meets JEDEC specifications for broad compatibility with PC gaming laptops and specific Mac models like the 2019 iMac and 2018 Mac mini. It is backed by a lifetime limited warranty.
Pros
- 2666MHz memory speed for efficient data transfer
- 8GB capacity in a single stick configuration
- 1.2V low voltage operation for energy efficiency
- Lifetime limited warranty with advanced replacement program
Cons
- Single 8GB stick limits total system memory
- 2666MHz speed is lower than 3200MHz desktop options
- SODIMM form factor restricts use to laptops and mini PCs
Good fit if
- You need a reliable upgrade for a compatible Mac model
- You require 8GB of RAM for a laptop or mini PC
- You value lifetime warranty coverage for your hardware
Skip if
- You need a dual-channel 16GB kit for desktop gaming
- You require speeds higher than 2666MHz for your system
- You are building a standard desktop tower with UDIMM slots
Verdict: OWC 8GB DDR4 2666MHz SODIMM is a solid choice for users upgrading compatible Macs or laptops who prioritize warranty support over maximum speed. It delivers stable performance for everyday computing tasks.
SK Hynix 8GB 2666MHz DDR4 SODIMM
Best for: 2666MHz laptop memory upgrades
- Size
- 8GB (what this guide is about)
- Total Capacity
- 8GB
- Memory Speed
- 2666MHz
- Module Configuration
- 1x8GB
- Form Factor
- SO-DIMM
- Dimensions
- 9 × 6 × 4 inches
View on Amazon: SK Hynix 8GB 2666MHz DDR4 SODIMM Affiliate link
This SK Hynix module gives you 8GB of DDR4 memory running at 2666MHz. Built as a standard SO-DIMM card, it fits compatible laptops and compact PCs that require PC4-21300 specifications. If your current mobile machine uses a slower frequency or needs an extra memory stick for basic multitasking, this single module provides a direct hardware match.
Pros
- 8GB DDR4 capacity
- 2666MHz clock speed (PC4-21300)
- Compact SO-DIMM form factor
- Single 1Rx8 rank configuration
Cons
- Lower 2666MHz transfer rate than 3200MHz modules on this list
- Laptop SO-DIMM form factor does not fit standard desktop motherboards
Good fit if
- You need an 8GB DDR4 SODIMM replacement for a laptop.
- You have a system rated for 2666MHz (PC4-21300) memory speeds.
Skip if
- You are upgrading a standard desktop PC that requires full-size DIMM slots.
- You need a faster 3200MHz memory module.
Verdict: SK Hynix 8GB DDR4 2666MHz SODIMM serves laptop owners needing a single 2666MHz SO-DIMM stick for factory-spec replacements or small capacity upgrades. It matches systems limited to PC4-21300 transfer rates without requiring manual configuration.
Specifications side by side
| Spec | G.SKILL RipjawsV 8GB 2400MHz Red | SK Hynix 8GB DDR4 PC4-17000U RAM | G.SKILL 8GB Ripjaws V DDR4 2400MHz | Crucial 8GB DDR4 2400MHz SODIMM RAM | OWC 8GB DDR4 2400MHz SODIMM | Timetec 8GB DDR4 3200MHz UDIMM | Timetec 8GB DDR4 2400MHz Desktop UDIMM | G.SKILL RipjawsV 8GB DDR4 2666MHz | A-Tech 8GB DDR4 2666MHz SODIMM RAM | A-Tech 8GB DDR4 2400MHz SODIMM RAM | Timetec 8GB DDR4 2666MHz SODIMM RAM | Timetec 8GB DDR4 2133MHz SODIMM | OLOy 8GB DDR4 2400MHz Laptop RAM | OWC 8GB DDR4 2666MHz SODIMM | SK Hynix 8GB 2666MHz DDR4 SODIMM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Capacity | 8GB | 8 GB | 8 GB | 8GB | 8GB | 8GB | 8GB | 8GB | 16GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB |
| Memory Speed | 2400MT/s | not stated | 2400MHz | 2400MT/s | 2400MHz | 3200MHz | 2400MHz | 2666MT/s | 2666MHz | 2400 MHz | 2666MHz | 2133MHz | 2400 MHz | 2666MHz | 2666MHz |
| CAS Latency | CL15 | not stated | CL15 | not stated | not stated | CL22 | CL17 | CL19 | CL19 | CL17 | CL19 | CL15 | CL17 | not stated | not stated |
| Voltage | 1.20V | not stated | not stated | not stated | 1.2 Volts | 1.2V | 1.2V | 1.20V | 1.2V | 1.2V | 1.2V | 1.2V | 1.2V | 1.2 Volts | not stated |
| Module Configuration | 2x4GB | 1x8GB | not stated | 1x8GB | 1 x 8GB | 1x8GB | 1x8GB | 1x8GB | 2x8GB | 1x8GB | 1x8GB | 1x8GB | 1x8GB | 1 x 8GB | 1x8GB |
| Form Factor | U-DIMM | not stated | not stated | SODIMM | SO-DIMM | UDIMM | UDIMM | U-DIMM | SO-DIMM | SODIMM | SODIMM | SODIMM | SODIMM | SO-DIMM | SO-DIMM |
| ECC Support | Non-ECC | not stated | not stated | not stated | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC | not stated | Non-ECC | not stated |
| Height | not stated | not stated | not stated | not stated | not stated | 1.2 inches | 1.2 inches | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated |
| Compatible Device | Desktop, PC | not stated | Desktop | not stated | Mac | Desktop | Desktop | Desktop, PC | PC, Laptop | Laptop | PC, Laptop | PC | Laptop | Mac | not stated |
| Size | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB | 8GB |
| Dimensions | 5.4 × 0.55 × 0.17 inches | 5.25 × 0.15 × 1.21 inches | 8.6 × 5.9 × 0.6 inches | 2.7 × 0.2 × 1.1 inches | 7.09 × 4.92 × 0.39 inches | 2.7 × 0.2 × 1.2 inches | 5.3 × 0.2 × 1.2 inches | 5.31 × 0.31 × 1.73 inches | 2.74 × 1.18 × 0.15 inches | 2.74 × 1.18 × 0.15 inches | not stated | not stated | 5.25 × 1.22 × 0.05 inches | 6.1 × 4.69 × 0.31 inches | 9 × 6 × 4 inches |
| Weight | 4.6 ounces | not stated | 0.08 kilograms | 0.32 ounces | not stated | not stated | not stated | 2.43 ounces | 0.7 ounces | not stated | not stated | not stated | 0.35 ounces | 0.81 ounces | not stated |
| Color | Red | Multicolor | Black | Multicolor | 1 x 8GB | Black | Gold | Red | not stated | not stated | Gold | Gold | Blister | 1 x 8GB | Multicolor |
| Model | F4-2400C15D-8GVR | HMA41GU6AFR8N-TF | F4-2400C15S-8GVR | CT8G4S24AM | OWC2400DDR4S8GB | not stated | . | F4-2666C19S-8GVR | AT8G2D4S2666NA0N12V | AT8G1D4S2400NS8N12V | 76 | 7 | MD4S082417IZSC | 2666DDR4S08G | HMA81GS6JJR8N |
If you want portable hardware with the same memory capacity, evaluate the best tablets with 8GB RAM.
How to choose the right one
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Check memory speed limits
Your motherboard dictates the maximum transfer rate. The Timetec 8GB DDR4 3200MHz UDIMM supports high-speed desktop upgrades, but it only runs at that speed if your system allows it. If your board caps at 2400MHz, this module will downclock. The SK Hynix 8GB DDR4 PC4-17000U serves as a baseline replacement for older systems. Always verify your CPU and motherboard specs to avoid buying faster memory your hardware cannot utilize.
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Match the form factor
Physical dimensions determine compatibility. Desktop towers require UDIMM modules, which are longer and have 288 pins. The G.SKILL RipjawsV 8GB 2400MHz Red fits these standard slots. Laptops and mini PCs need SODIMM sticks, which are shorter. The Crucial 8GB DDR4 2400MHz SODIMM is designed for portable devices. Installing the wrong type is impossible. Check your device manual or current stick to confirm whether you need UDIMM or SODIMM before purchasing.
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Review CAS latency values
CAS Latency (CL) measures delay before data access. Lower numbers mean faster response. The G.SKILL RipjawsV 8GB 2400MHz Red features CL15, which is tight timing for its speed class. In contrast, the Timetec 8GB DDR4 3200MHz UDIMM has CL22 latency, which is higher due to the faster clock speed. For desktop performance, lower CL is preferable. Laptop modules like the A-Tech 8GB DDR4 2400MHz SODIMM often sit at CL17. Compare these numbers to gauge relative responsiveness.
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Confirm voltage requirements
DDR4 standard voltage is 1.2V. Most modern modules operate at this level. The Timetec 8GB DDR4 2666MHz SODIMM specifies 1.2V operation, ensuring compatibility with standard laptop power supplies. The OLOy 8GB DDR4 2400MHz Laptop RAM also uses 1.2V. Avoid modules requiring higher voltages unless your system explicitly supports them. Incorrect voltage can cause instability or hardware damage. Verify the voltage rating matches your device’s power delivery capabilities for stable daily operation.
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Check ECC support needs
Error Correction Code (ECC) memory fixes data corruption but is rare in consumer devices. Most desktop and laptop RAM is Non-ECC. The Timetec 8GB DDR4 3200MHz UDIMM is Non-ECC, suitable for standard gaming and office PCs. The Timetec 8GB DDR4 2133MHz SODIMM also lacks ECC. If your system does not support ECC, installing ECC memory may prevent booting. For typical users, Non-ECC is the correct choice. Only seek ECC if you run specialized server workloads.
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Verify single or dual kit
Capacity configuration affects performance. The G.SKILL RipjawsV 8GB 2400MHz Red is a 2x4GB kit, enabling dual-channel mode for better bandwidth. Other options, like the G.SKILL 8GB Ripjaws V DDR4 2400MHz, are single 8GB sticks. Single sticks work for basic upgrades but offer lower throughput than matched pairs. If your motherboard has two slots, using two sticks is ideal. Check if the product is a single module or a kit to plan your installation correctly.
Frequently asked questions
What is the difference between UDIMM and SODIMM RAM?
UDIMM modules are designed for desktop computers, while SODIMM modules fit into laptops and small form-factor PCs. The physical size and pin count differ between the two types. For example, the G.SKILL RipjawsV uses UDIMM for desktops, whereas the Crucial 8GB 2400MHz SODIMM is built for portable systems. You must match the form factor to your device to ensure compatibility.
Which 8GB DDR4 RAM has the lowest latency at 2400MHz?
The G.SKILL RipjawsV 8GB 2400MHz Red features CL15 latency, which is tighter than many standard 2400MHz options. This kit includes two 4GB sticks for dual-channel performance. Other 2400MHz modules like the Timetec 8GB DDR4 2400MHz Desktop UDIMM use CL17. Lower latency generally improves responsiveness in basic computing tasks and office workloads.
Can I use desktop RAM in my laptop?
No, desktop UDIMM RAM is too large and has a different pin configuration for laptop slots. Laptops require SODIMM modules, which are shorter and have 260 pins. The Crucial 8GB DDR4 2400MHz SODIMM and OWC 8GB DDR4 2400MHz SODIMM are examples of correct laptop memory. Using the wrong form factor will prevent installation.
What is the fastest 8GB DDR4 speed available in this list?
The Timetec 8GB DDR4 3200MHz UDIMM offers the highest speed at 3200MHz for desktop systems. It runs at 1.2V with CL22 latency and non-ECC support. This module suits users needing high-speed upgrades for compatible desktop motherboards. Other options like the G.SKILL RipjawsV 2666MHz provide lower speeds for systems that do not support 3200MHz.
Is ECC memory available for these 8GB DDR4 options?
The Timetec 8GB DDR4 3200MHz UDIMM and 2400MHz UDIMM are specified as Non-ECC. Most consumer laptops and desktops use Non-ECC memory for standard operations. The data does not list any ECC-supported 8GB kits in this selection. You should verify your system requirements before purchasing, as ECC is typically reserved for servers or workstations.
Which RAM is best for upgrading an Intel NUC or mini PC?
The Timetec 8GB DDR4 2133MHz SODIMM is ideal for Intel NUC and mini PC upgrades. It provides baseline 2133MHz performance with CL15 latency at 1.2V. These systems often have strict speed limits, making this module a safe replacement. It fits the small form-factor requirements of compact computers that cannot support higher-speed desktop memory.
Does the G.SKILL RipjawsV come in a single stick or a kit?
The G.SKILL RipjawsV 8GB 2400MHz Red is a 2x4GB kit, meaning it includes two separate sticks. This configuration enables dual-channel memory bandwidth for better performance. In contrast, the G.SKILL Ripjaws V 8GB DDR4 2400MHz is a single 8GB stick. You should choose a kit if your motherboard supports dual-channel mode for optimal efficiency.
What voltage do these 8GB DDR4 modules operate at?
Most listed DDR4 modules operate at 1.2V, which is the standard voltage for DDR4 memory. The Timetec 8GB DDR4 3200MHz UDIMM and 2400MHz UDIMM both specify 1.2V operation. The OLOy 8GB DDR4 2400MHz Laptop RAM also uses 1.2V. This standard voltage helps reduce power consumption and heat generation in both desktop and laptop systems.