Best DDR4 RAMS with CL18 in 2026: 15 Picks Ranked by Specs
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Choosing the best ddr4 RAMs with CL18 requires looking strictly at published specifications. We compared 15 kits to help you find the right memory for your system. Our top pick is the G.SKILL Ripjaws V 16GB 4000MHz, which leads because of its high 4000MHz clock speed. This guide ranks each option by specs like latency, capacity, and form factor. You will use these details to decide which kit fits your desktop or laptop needs.
Quick picks
The best fit for you
- You need the fastest 16GB desktop memory G.SKILL Ripjaws V 16GB 4000MHz It offers 4000MHz speed with CL18 latency, outpacing other 16GB kits.
- You are upgrading a 6th or 7th Gen Intel laptop Corsair Vengeance 16GB DDR4 2666MHz CL18 SODIMM It uses SODIMM form factor and 2666MHz speed for direct compatibility.
- You have a compact case with limited cooler clearance Corsair Vengeance LPX 16GB 3600MHz DDR4 RAM It features a low-profile design that fits tight spaces easily.
- You require 32GB capacity on a four-slot motherboard G.SKILL Trident Z Neo 32GB 3600MHz CL18 RAM It provides 32GB distributed across four slots while maintaining 3600MHz speed.
- You want a high-capacity 64GB two-stick desktop build G.SKILL Ripjaws V 64GB DDR4-3600 CL18 Kit It delivers 64GB total capacity using just two modules for simplicity.
Our 15 picks
G.SKILL Ripjaws V 16GB 4000MHz
Best for: high-speed 16GB desktop builds
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 4000 MT/s
- Module Configuration
- 2x8GB
- Form Factor
- U-DIMM
- Dimensions
- 23.6 × 23.6 × 33.5 inches
This G.SKILL Ripjaws V kit offers 16GB of DDR4 memory across two 8GB modules. It runs at a clock speed of 4000 MHz with a CAS latency of CL18. The modules use a 288-pin DIMM form factor. This configuration suits users seeking high-frequency performance for desktop computing. The black heat spreader provides a standard aesthetic for internal builds.
Pros
- 4000 MHz memory clock speed
- CL18 CAS latency
- 16GB total capacity (2x8GB)
- 288-pin DIMM form factor
Cons
- Higher latency than CL16 or CL14 options
- No RGB lighting included
- Single stick capacity limits future expansion
Good fit if
- You need high-speed DDR4 memory for gaming
- You prefer a standard black heat spreader
- You are building a dual-channel 16GB system
Skip if
- You require RGB lighting effects
- You need more than 16GB of RAM
- You want lower latency timings like CL16
Verdict: G.SKILL Ripjaws V 16GB DDR4 4000MHz delivers high clock speeds for performance-focused desktops. It fits users who prioritize speed over lighting or higher capacities.
Corsair Vengeance 16GB DDR4 2666MHz CL18 SODIMM
Best for: 6th and 7th Gen Intel notebook upgrades
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 2666MHz
- Voltage
- 1.2V
- Module Configuration
- 2x8GB
- Form Factor
- SODIMM
View on Amazon: Corsair Vengeance 16GB DDR4 2666MHz CL18 SODIMM
This Corsair Vengeance 16GB kit gives you two 8GB DDR4 SODIMM modules designed for compatible notebooks. Operating at 2666MHz with CL18 latency and 1.2V, it delivers standard laptop performance without extra power draw. Auto-overclocking adjusts settings without BIOS tuning on supported 6th and 7th Gen Intel systems. It suits you if you need compact dual-channel memory for a portable upgrade.
Pros
- Low 1.2V operating voltage
- Auto-overclocking requires no BIOS configuration on compatible notebooks
- Limited lifetime warranty
- Dual-channel 16GB kit configuration (2x8GB)
Cons
- SODIMM form factor does not fit standard desktop motherboards
- 2666MHz memory speed is lower than 3200MHz and 3600MHz alternatives
Good fit if
- You need a 16GB DDR4 SODIMM upgrade for a compatible notebook
- You want automatic configuration without entering the BIOS
- You have a 6th or 7th Generation Intel Core i5 or i7 laptop
Skip if
- You build or upgrade a standard desktop PC requiring full-size DIMMs
- You want memory speeds above 2666MHz
Verdict: Corsair Vengeance 16GB DDR4 SODIMM provides a direct 2666MHz CL18 memory upgrade for users with compatible 6th and 7th Generation Intel laptops. Its 1.2V power rating and auto-overclocking support streamline installation on portable systems.
G.SKILL Trident Z RGB 16GB 3600MHz RAM
Best for: 16GB dual-channel gaming desktop builds
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600MT/s
- Voltage
- 1.35V
- Module Configuration
- 2x8GB
- Form Factor
- U-DIMM
This G.Skill kit provides 16GB of desktop memory divided across two 8GB DDR4 modules. It operates at 3600MT/s with CL18-22-22-42 timings at 1.35V using an Intel XMP profile. You get integrated RGB lighting across standard 288-pin U-DIMMs. It suits you if you need reliable dual-channel bandwidth for a gaming desktop build.
Pros
- Operates at 3600MT/s using Intel XMP
- Balanced dual-channel 2x8GB configuration
- Tested CL18-22-22-42 timings at 1.35V
- Multicolor RGB light bar styling
Cons
- Total capacity caps at 16GB
- Requires 1.35V and BIOS setup rather than base JEDEC speed
- Lacks ECC support for workstation systems
Good fit if
- You want a 16GB dual-channel kit rated for 3600MT/s.
- You plan to enable Intel XMP profiles on an AMD or Intel motherboard.
Skip if
- You need 32GB or higher capacity for memory-heavy applications.
- You require error-correcting ECC memory for workstation hardware.
Verdict: G.Skill Trident Z RGB 16GB DDR4-3600 CL18 delivers 3600MT/s dual-channel performance for mid-tier gaming setups needing RGB styling. It balances CL18 timings with straightforward XMP installation.
Corsair Vengeance LPX 16GB 3600MHz DDR4 RAM
Best for: compact desktop builds needing low-profile memory
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600MHz
- Voltage
- 1.35V
- Module Configuration
- 2x8GB
- Height
- 34mm
This Corsair Vengeance LPX kit gives you 16GB of DDR4 memory split across two 8GB modules. It operates at 3600MHz with CL18-22-22-42 timings at 1.35V using Intel XMP 2.0. With a low-profile height of 34mm, each stick fits easily under large CPU air coolers. It suits you if you need reliable dual-channel memory for compact desktop builds.
Pros
- Low 34mm module height fits small-form-factor builds and large coolers
- Runs at 3600MHz with tested timings of CL18-22-22-42
- Supports Intel XMP 2.0 for single-setting setup
- Solid aluminum heatspreader aids heat dissipation
Cons
- Total 16GB capacity is lower than 32GB and 64GB options
- No integrated RGB lighting
Good fit if
- You build in a small-form-factor case or use a bulky CPU cooler
- You need a 16GB dual-channel DDR4 setup running at 3600MHz
- You want modules backed by a limited lifetime warranty
Skip if
- You require 32GB or 64GB of total RAM for heavier workloads
- You want RGB lighting elements inside your desktop case
Verdict: Corsair Vengeance LPX 16GB 3600MHz DDR4 fits desktop builders who need low-clearance 34mm modules that run at 3600MHz CL18. It delivers straightforward dual-channel performance without tall heatspreaders interfering with your cooling hardware.
Corsair Vengeance RGB Pro 16GB (2x8GB) DDR4 3600MHz
Best for: 16GB RGB builds with tall cooler clearance
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600 MHz
- Module Configuration
- 2x8GB
- Dimensions
- 5.44 × 0.3 × 2 inches
- Weight
- 4.94 ounces
View on Amazon: Corsair Vengeance RGB Pro 16GB (2x8GB) DDR4 3600MHz
This dual-channel DDR4 desktop kit pairs a 16GB total capacity across two 8GB sticks with a 3600MHz clock frequency and CL18 latency. You get integrated aluminum heat spreaders and ten addressable RGB LEDs per module managed through iCUE software. It suits you if you need standard-capacity high-frequency memory with customizable lighting for Intel or AMD builds.
Pros
- 3600MHz operating speed with CL18 latency
- Ten individually addressable RGB LEDs per module
- Built-in aluminum heat spreader for passive cooling
- Pre-configured Intel XMP 2.0 overclocking profile
Cons
- 16GB total capacity offers less headroom than 32GB alternatives
- 2-inch module height reduces clearance under large air coolers
Good fit if
- You need a 16GB dual-channel configuration running at 3600MHz CL18.
- You want ten-zone RGB customization via Corsair iCUE software.
- You have sufficient CPU cooler clearance for 2-inch tall modules.
Skip if
- You require 32GB or 64GB of memory for demanding multitasking.
- You use a low-profile case or bulky cooler that blocks tall memory sticks.
Verdict: Corsair Vengeance RGB Pro 16GB DDR4-3600 CL18 delivers 3600MHz speeds and ten-zone lighting for users building a mainstream 16GB gaming rig with ample cooler clearance.
G.SKILL Trident Z Neo 32GB 3600MHz CL18 RAM
Best for: Four-slot desktop motherboards needing 32GB capacity
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 32GB
- Memory Speed
- 3600MT/s
- Voltage
- 1.35V
- Module Configuration
- 4x8GB
- Form Factor
- U-DIMM
The G.SKILL Trident Z Neo is a four-stick DDR4 memory kit designed for desktop systems. It provides 32GB of total capacity split across four 8GB modules, operating at 3600MT/s with CL18 latency at 1.35V. This setup fits your build if you want to fill all four memory slots on your motherboard while maintaining matched multi-channel specifications.
Pros
- 32GB total capacity across a matched four-module kit (4x8GB)
- 3600MT/s rated speed with CL18-22-22-42 timing profile
- Pre-configured Intel XMP profile for overclocking
- Standard 1.35V operating voltage at full speed
Cons
- Uses four DIMM slots, leaving no open slots on standard desktop boards
- Requires manual BIOS setup or XMP activation to reach 3600MT/s
- Non-ECC design lacks hardware error correction
Good fit if
- You have a desktop motherboard with four available DDR4 slots.
- You want a factory-matched 32GB quad-stick setup running at 3600MT/s.
Skip if
- You own a motherboard with only two memory slots.
- You require error-correcting ECC memory for workstation use.
Verdict: G.SKILL Trident Z Neo 32GB 3600MHz DDR4 RAM suits desktop builders who want 32GB distributed across four physical slots at 3600MT/s. It delivers verified CL18 performance via standard XMP profile activation.
G.SKILL Ripjaws V 16GB (2x8GB) DDR4-3600 RAM
Best for: dual-channel 16GB DDR4 desktop gaming builds
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600MT/s
- Voltage
- 1.35V
- Module Configuration
- 2x8GB
- Form Factor
- U-DIMM
View on Amazon: G.SKILL Ripjaws V 16GB (2x8GB) DDR4-3600 RAM
This G.SKILL Ripjaws V kit provides 16GB of DDR4 desktop memory divided across two 8GB modules. Operating at 3600MT/s with CL18-22-22-42 timings and 1.35V, it supports Intel XMP overclock profiles alongside standard JEDEC defaults. If you need dual-channel 3600MHz memory for a standard gaming or desktop build, this matched 288-pin U-DIMM set matches your setup.
Pros
- Rated for 3600MT/s speed with CL18 latency at 1.35V
- Includes Intel XMP profile for direct BIOS configuration
- Dual-channel 2x8GB configuration for 16GB total capacity
- Standard 288-pin Non-ECC U-DIMM form factor for desktop PCs
Cons
- Total capacity is limited to 16GB across two 8GB sticks
- Secondary timings are relaxed at 22-22-42
Good fit if
- You want a 16GB dual-channel DDR4 kit operating at 3600MT/s.
- You have an Intel or AMD desktop motherboard supporting Intel XMP profiles.
- You need standard non-ECC 288-pin desktop memory.
Skip if
- You require 32GB or 64GB of total system RAM.
- You need error-correcting (ECC) memory for your system.
Verdict: G.SKILL Ripjaws V 16GB 3600MHz DDR4 RAM delivers targeted 3600MT/s speed at CL18 latency using dual 8GB modules. It suits builders seeking a standard 16GB dual-channel desktop configuration with Intel XMP profile support.
Corsair Vengeance LPX 32GB DDR4 3600MHz
Best for: Compact builds requiring 32GB capacity
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 32GB
- Memory Speed
- 3600MHz
- Voltage
- 1.35V
- Module Configuration
- 2x16GB
- Height
- 34mm
This Corsair Vengeance LPX kit gives you 32GB of DDR4 memory running at 3600MHz with a CAS Latency of CL18. It uses 1.35V to maintain stability. The low-profile design stands only 34mm tall, making it suitable for compact cases. The aluminum heatspreader helps manage heat during operation. This kit suits users needing higher capacity without sacrificing speed.
Pros
- 32GB total capacity (2x16GB modules)
- 3600MHz memory speed
- Low 34mm profile height
- Aluminum heatspreader for heat dissipation
Cons
- No RGB lighting included
- Black color only
- Requires 1.35V voltage
Good fit if
- You need 32GB of RAM for multitasking
- You are building in a small-form-factor case
- You want high speed with low latency
Skip if
- You require RGB lighting effects
- You need a single 32GB stick
- You prefer lower voltage operation
Verdict: Corsair Vengeance LPX 32GB DDR4 3600MHz delivers reliable performance for users who need ample memory in a compact build. It fits well in tight spaces while maintaining fast data transfer rates.
G.Skill Trident Z RGB 16GB (2x8GB) 3600MHz DDR4
Best for: desktop gamers wanting dual-channel 3600MT/s memory
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600MT/s
- Voltage
- 1.35V
- Module Configuration
- 2x8GB
- Form Factor
- U-DIMM
View on Amazon: G.Skill Trident Z RGB 16GB (2x8GB) 3600MHz DDR4
This G.SKILL dual-channel memory kit provides 16GB of system memory across two 8GB modules. Operating at 3600MT/s with CL18-22-22-42 timings at 1.35V, it includes an Intel XMP profile for direct BIOS setup. It suits you if you want standard dual-stick memory for desktop gaming and do not need higher 32GB or 64GB capacities.
Pros
- 3600MT/s rated transfer speed with CL18-22-22-42 timings
- Preconfigured Intel XMP memory overclocking profile
- Two matched 8GB modules for dual-channel operation
- Standard 288-pin desktop U-DIMM form factor
Cons
- 16GB capacity is lower than 32GB and 64GB alternatives
- Reaches 3600MT/s only with BIOS adjustments at 1.35V
- Non-ECC design provides no hardware error correction
Good fit if
- You want a 16GB dual-channel configuration running at 3600MT/s.
- You have a desktop motherboard supporting Intel XMP profiles.
Skip if
- You need 32GB or 64GB of RAM for high-capacity multitasking.
- You require workstation-grade ECC error checking.
Verdict: G.SKILL Trident Z RGB 16GB DDR4-3600 Kit fits desktop builders seeking a dual-stick 2x8GB configuration tuned for 3600MT/s via Intel XMP. It gives mainstream systems standard desktop density without the overhead of larger memory arrays.
Corsair Vengeance RGB Pro 32GB DDR4-3600 Kit
Best for: builders wanting 32GB capacity with customizable RGB
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 32GB
- Memory Speed
- 3600MHz
- Voltage
- 1.35V
- Module Configuration
- 2x16GB
- Compatible Device
- Desktop, PC
View on Amazon: Corsair Vengeance RGB Pro 32GB DDR4-3600 Kit
This Corsair kit provides 32GB of DDR4 memory across two 16GB sticks operating at 3600MHz with CL18-22-22-42 timings at 1.35V. Each module features ten individually addressable RGB LEDs managed through iCUE software without extra cabling. It suits you if you want high-capacity memory paired with customizable lighting for an Intel or AMD desktop build.
Pros
- 32GB capacity across two 16GB modules
- 3600MHz speed at 1.35V operating voltage
- Ten individually addressable RGB LEDs per module
- Requires no extra wires or cables for lighting
Cons
- Two-inch height limits clearance under bulky CPU air coolers
- Secondary timings are CL18-22-22-42 rather than tighter intervals
Good fit if
- You need 32GB of dual-channel memory clocked at 3600MHz.
- You want addressable lighting synchronized through Corsair iCUE.
- You build on an Intel or AMD desktop motherboard.
Skip if
- You use a low-clearance CPU cooler under two inches.
- You prefer low-profile heatsinks without RGB LEDs.
Verdict: Corsair Vengeance RGB Pro 32GB DDR4-3600 gives you 32GB of 3600MHz CL18 speed and addressable lighting if your case has clearance for two-inch tall modules.
G.SKILL RipjawsV 64GB 3600MHz DDR4
Best for: High-capacity desktop workstations
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 64GB
- Memory Speed
- 3600MT/s
- Voltage
- 1.35V
- Module Configuration
- 2x32GB
- Form Factor
- U-DIMM
This G.SKILL RipjawsV kit gives you 64GB of DDR4 memory in a 2x32GB configuration. It runs at 3600MHz with a tight CL18 latency. The 1.35V voltage supports both Intel and AMD desktops. You get high capacity for heavy workloads while keeping latency low. It is a solid choice for users who need large memory pools without sacrificing speed.
Pros
- 64GB total capacity (2x32GB)
- 3600MHz memory speed
- CL18 CAS latency
- 1.35V operating voltage
- Compatible with Intel and AMD platforms
Cons
- Heavier build at 4.23 ounces
- No RGB lighting included
- Only 16GB per stick
Good fit if
- You need 64GB of RAM for video editing
- You run virtual machines or heavy multitasking
- You want low latency with high capacity
Skip if
- You only need 16GB or 32GB
- You prefer RGB aesthetics
- You are building a compact mini-ITX PC
Verdict: G.SKILL RipjawsV 64GB DDR4 3600MHz delivers high capacity with fast timings for demanding desktop tasks. It fits users who prioritize performance over aesthetics.
KLEVV Bolt X 32GB (2x16GB) 3600MHz DDR4 RAM
Best for: builders wanting non-RGB 32GB dual-channel 3600MHz RAM
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 32GB
- Memory Speed
- 3600MHz
- Voltage
- 1.35V
- Module Configuration
- 2x16GB
- Height
- 2.36 inches
This KLEVV Bolt X kit delivers 32GB of memory using two 16GB modules running at 3600MHz with CL18 timing. It operates at 1.35V and includes Intel XMP 2.0 support alongside an aluminum heatsink. With no RGB lighting and a 2.36-inch height, it suits desktop setups needing dependable dual-channel capacity without decorative illumination.
Pros
- 32GB capacity across two 16GB modules
- 3600MHz frequency with CL18 latency at 1.35V
- Intel XMP 2.0 support for one-click configuration
- Aluminum heat spreader for thermal management
Cons
- No integrated RGB lighting
- 2.36-inch module height requires clearance check under large coolers
Good fit if
- You need 32GB of dual-channel memory rated at 3600MHz and CL18.
- You prefer hardware without RGB lighting.
Skip if
- You want RGB lighting accents on your memory modules.
- You need lower-profile modules to fit beneath a tight CPU cooler.
Verdict: KLEVV Bolt X 32GB (2x16GB) DDR4 3600MHz gives builders dual-channel 32GB capacity with 3600MHz CL18 specs at 1.35V. It fits users building clean, non-illuminated desktop systems.
G.SKILL Ripjaws V 64GB DDR4-3600 CL18 Kit
Best for: high-capacity 64GB two-stick desktop builds
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 64GB
- Memory Speed
- 3600MHz
- Voltage
- 1.35V
- Module Configuration
- 2x32GB
- ECC Support
- Non-ECC
This dual-channel desktop memory kit provides you with 64GB of capacity across two 32GB modules. It operates at DDR4-3600 with CL18 latency using 18-22-22-42 timings at 1.35V. The setup suits you if you run memory-intensive applications on supported AMD or Intel motherboards and need high-density modules to keep two slots open for future expansion.
Pros
- 64GB total capacity in a 2 x 32GB module configuration
- Rated DDR4-3600 speed at CL18 with 1.35V operating voltage
- Leaves two memory slots open on standard four-slot motherboards
Cons
- Does not support ECC error checking
- Physical height of 1.77 inches may interfere with large CPU air coolers
Good fit if
- You need 64GB of system memory while utilizing only two DIMM slots.
- You run an AMD Ryzen X570/B550 or Intel Z390/Z490 or newer motherboard.
Skip if
- You require ECC memory for specialized workstation tasks.
- You have tight CPU air cooler clearance under 1.77 inches.
Verdict: G.Skill RipJaws V 64GB DDR4-3600 RAM Kit provides high-density 32GB modules for users who need 64GB of memory on desktop platforms without compromising DDR4-3600 transfer rates.
Patriot Viper Steel 16GB 3600MHz DDR4 RAM
Best for: standard 16GB desktop setups running 3600MHz speed
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600MHz
- Module Configuration
- 2x8GB
- Form Factor
- DIMM
- ECC Support
- Non-ECC
This Patriot Viper Steel desktop memory kit provides 16GB of DDR4 memory split across two 8GB modules. Operating at 3600MHz with a CL18 CAS latency, it utilizes an XMP 2.0 profile for automated setup. It features an aluminum heat spreader standing 1.75 inches tall, making it suitable if you need standard dual-channel capacity.
Pros
- 3600MHz frequency with CL18 timing
- XMP 2.0 support for automatic configuration
- Dual-module setup provides two 8GB sticks
- Aluminum heat spreader included
Cons
- 16GB capacity is lower than 32GB and 64GB alternatives
- 1.75-inch height reduces clearance under compact air coolers
Good fit if
- You need a dual-channel 16GB DDR4 configuration running at 3600MHz.
- You want an aluminum heat spreader paired with XMP 2.0 profiles.
Skip if
- You require 32GB or 64GB of total system memory.
- You use a compact CPU cooler requiring modules shorter than 1.75 inches.
Verdict: Patriot Viper Steel 16GB 3600MHz DDR4 RAM delivers dual-channel 3600MHz CL18 operation for desktop builders who need XMP 2.0 support within a 16GB capacity limit.
Corsair Vengeance LPX 16GB DDR4-3600 RAM
Best for: compact small-form-factor builds needing low-profile clearance
- CAS Latency
- CL18 (what this guide is about)
- Total Capacity
- 16GB
- Memory Speed
- 3600MHz
- Module Configuration
- 1x16GB
- Height
- 34mm
- Dimensions
- 5.31 × 0.28 × 1.32 inches
This single-module memory upgrade provides 16GB of DDR4 memory running at 3600MHz with CL18 latency. Its low-profile 34mm height fits compact computer cases with tight CPU cooler clearances. It features an aluminum heatspreader and Intel XMP 2.0 support. You will find it well suited if you need a single 16GB stick for a small-form-factor build.
Pros
- Low-profile 34mm module height fits tight clearances
- DDR4-3600 operating speed with CL18 timing
- Intel XMP 2.0 support for one-setting configuration
- Solid aluminum heatspreader for heat dissipation
Cons
- Single 1x16GB module configuration lacks out-of-the-box dual-channel operation
- Does not include RGB lighting
Good fit if
- You build inside a compact small-form-factor chassis requiring 34mm low-profile memory.
- You need a single 16GB DDR4 stick running at 3600MHz with CL18 latency.
Skip if
- You want a dual-channel memory kit with two matched sticks immediately.
- You need integrated RGB lighting for your desktop setup.
Verdict: Corsair Vengeance LPX 16GB DDR4-3600 RAM serves builders assembling small-form-factor desktop PCs who need low-profile 34mm clearance and 3600MHz speed in a single stick.
Specifications side by side
| Spec | G.SKILL Ripjaws V 16GB 4000MHz | Corsair Vengeance 16GB DDR4 2666MHz CL18 SODIMM | G.SKILL Trident Z RGB 16GB 3600MHz RAM | Corsair Vengeance LPX 16GB 3600MHz DDR4 RAM | Corsair Vengeance RGB Pro 16GB (2x8GB) DDR4 3600MHz | G.SKILL Trident Z Neo 32GB 3600MHz CL18 RAM | G.SKILL Ripjaws V 16GB (2x8GB) DDR4-3600 RAM | Corsair Vengeance LPX 32GB DDR4 3600MHz | G.Skill Trident Z RGB 16GB (2x8GB) 3600MHz DDR4 | Corsair Vengeance RGB Pro 32GB DDR4-3600 Kit | G.SKILL RipjawsV 64GB 3600MHz DDR4 | KLEVV Bolt X 32GB (2x16GB) 3600MHz DDR4 RAM | G.SKILL Ripjaws V 64GB DDR4-3600 CL18 Kit | Patriot Viper Steel 16GB 3600MHz DDR4 RAM | Corsair Vengeance LPX 16GB DDR4-3600 RAM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Capacity | 16GB | 16GB | 16GB | 16GB | 16GB | 32GB | 16GB | 32GB | 16GB | 32GB | 64GB | 32GB | 64GB | 16GB | 16GB |
| Memory Speed | 4000 MT/s | 2666MHz | 3600MT/s | 3600MHz | 3600 MHz | 3600MT/s | 3600MT/s | 3600MHz | 3600MT/s | 3600MHz | 3600MT/s | 3600MHz | 3600MHz | 3600MHz | 3600MHz |
| CAS Latency | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | CL18 | C18 |
| Voltage | not specified | 1.2V | 1.35V | 1.35V | not specified | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V | not specified | not specified |
| Module Configuration | 2x8GB | 2x8GB | 2x8GB | 2x8GB | 2x8GB | 4x8GB | 2x8GB | 2x16GB | 2x8GB | 2x16GB | 2x32GB | 2x16GB | 2x32GB | 2x8GB | 1x16GB |
| Form Factor | U-DIMM | SODIMM | U-DIMM | not specified | not specified | U-DIMM | U-DIMM | not specified | U-DIMM | not specified | U-DIMM | not specified | not specified | DIMM | not specified |
| ECC Support | not specified | not specified | Non-ECC | not specified | not specified | Non-ECC | Non-ECC | not specified | Non-ECC | not specified | not specified | not specified | Non-ECC | Non-ECC | not specified |
| Height | not specified | 1.19 inches | not specified | 34mm | not specified | not specified | 0.65 inches | 34mm | not specified | not specified | 1.1 inches | 2.36 inches | 0.31 inches | 1.75 inches | 34mm |
| Compatible Device | not specified | not specified | Desktop, PC | Desktop, PC | not specified | Desktop, PC | Desktop, PC | Desktop, PC | Desktop, PC | Desktop, PC | Desktop, PC | Desktop | Desktop | Desktop | not specified |
| Size | One size | (2 x 8GB) | 16GB | 16GB Kit (2x8GB) | 16GB (2x8GB) | 32GB | 16GB (2x8GB) | 32GB Kit (2x16GB) | 16GB (2x8GB) | 32GB (2x16GB) | 64GB | 32 GB kit (2x 16 GB) | 64GB | 16GB (2x8GB) 3600MHz Kit C18 | 16GB |
| Dimensions | 23.6 × 23.6 × 33.5 inches | 2.66 × 0.16 × 1.19 inches | 3.94 × 1.57 × 0.39 inches | 5.32 × 0.28 × 1.32 inches | 5.44 × 0.3 × 2 inches | not specified | 8.55 × 5.55 × 0.65 inches | 5.31 × 0.28 × 1.32 inches | 7.87 × 2.36 × 2.36 inches | 5.44 × 0.3 × 2 inches | 1.1 × 9.7 × 6.5 inches | 5.24 × 0.28 × 2.36 inches | 1.77 × 5.24 × 0.31 inches | 0.28 × 5.34 × 1.75 inches | 5.31 × 0.28 × 1.32 inches |
| Weight | 3.17 ounces | 0.56 ounces | 5.29 ounces | 3.21 ounces | 4.94 ounces | 1.1 pounds | not specified | 2.72 ounces | 6 ounces | 5.29 ounces | 4.23 ounces | 3.17 ounces | 4.23 ounces | 4.23 ounces | not specified |
| Color | black | DDR4 | Multicolor | Black | Black | Multicolour | Black | Black | Black | Black | black | Non-RGB | not specified | kit | Black |
| Model | 4713294223876 | CMSX16GX4M2A2666C18 | F4-3600C18D-16GTZRX | CMK16GX4M2D3600C18 | CMW16GX4M2Z3600C18 | F4-3600C18Q-32GTZN | F4-3600C18D-16GVK | CMK32GX4M2D3600C18 | F4-3600C18D-16GTZR | CMW32GX4M2Z3600C18 | F4-3600C18D-64GVK | KD4AGU880-36A180U | F4-3600C18D-64GVK | PVS416G360C8K | CMK16GX4M1Z3600C18 |
If you need to pair these modules, consult our guide to the best DDR4 motherboards for your build.
Choosing the Right DDR4 CL18 Memory Kit
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Verify Module Form Factor
You must match the memory form factor to your hardware platform before choosing a kit. Notebook computers and compact systems use smaller SODIMM modules. Standard desktop motherboards require full-size UDIMM modules instead. Installing an incompatible form factor will prevent physical insertion into the memory slots. Check your computer specifications for SODIMM or UDIMM support. For example, Corsair Vengeance 16GB DDR4 2666MHz CL18 SODIMM fits notebook slots measuring 2.66 inches long.
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Check Heatspreader Height Clearance
You need to measure clearance underneath your desktop CPU cooler before purchasing memory. Tall heatspreaders can collide with large air-cooling heatsinks or radiator fans. Standard low-profile modules sit close to the motherboard surface to fit under tight spaces. Taller modules require spacious case layouts. For instance, Corsair Vengeance RGB Pro 16GB measures two inches tall. If your cooler overhangs the memory slots, check the published module height spec to prevent physical installation conflicts.
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Select Module Slot Distribution
You should examine how many DIMM slots your motherboard provides. Most desktop kits distribute memory across two sticks to enable dual-channel operation. However, certain high-capacity packages spread memory across four separate modules. You must confirm that your motherboard has four open slots if you choose a four-stick configuration. For example, G.SKILL Trident Z Neo 32GB 3600MHz CL18 RAM provides a four-stick kit. Check your motherboard layout so you do not buy more sticks than you have slots.
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Determine Your Memory Capacity
You must evaluate your workflow requirements to determine whether 16GB, 32GB, or 64GB of memory fits your build. Mainstream gaming rigs typically run well on 16GB or 32GB. Heavy multitasking, content creation, and virtualization benefit from maximum density. For example, G.SKILL Ripjaws V 64GB DDR4-3600 CL18 Kit provides 64GB across two 32GB modules. Look at your software workload specs before choosing capacity so your system avoids exhausting memory during daily operation.
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Choose Lighting or Plain Finish
You should decide whether you want addressable illumination or an unlit exterior. Many gaming kits feature integrated RGB light diffusers along the top edge of the module. Other options offer plain, matte metal heatspreaders without lighting components. If you prefer a blackout aesthetic or want to avoid managing lighting software, choose a non-RGB design. For instance, KLEVV Bolt X 32GB DDR4 RAM provides a non-RGB finish for clean desktop configurations.
Frequently asked questions
What is the fastest DDR4 CL18 RAM on this list?
The G.SKILL Ripjaws V 16GB 4000MHz is the fastest option. It operates at 4000MHz with CL18 latency. This kit is designed for desktops where speed is the priority. It does not include RGB lighting or larger capacity options. You get high clock speeds for performance-focused builds.
Which CL18 RAM is best for laptop upgrades?
The Corsair Vengeance 16GB DDR4 2666MHz CL18 SODIMM is the only notebook option. It uses the SODIMM form factor for direct compatibility with 6th and 7th Gen Intel laptops. It runs at 1.2V and supports auto-overclocking. This makes installation straightforward for portable systems needing a memory boost.
Do I need 1.35V for these RAM kits?
Most desktop kits on this list require 1.35V to run at their rated speeds. The G.SKILL Trident Z RGB, Corsair Vengeance LPX, and Patriot Viper Steel all specify 1.35V. You must ensure your motherboard supports this voltage to activate XMP profiles. The laptop SODIMM uses 1.2V instead.
Which CL18 RAM fits in small cases with low clearance?
The Corsair Vengeance LPX series is ideal for tight spaces. It features a low-profile 34mm height that clears large CPU coolers. Both the 16GB and 32GB versions use this design. The G.SKILL Ripjaws V also has a standard height. Check your cooler clearance before choosing a tall heatspreader kit.
Can I get 32GB or 64GB in CL18?
Yes, several kits offer higher capacities. The G.SKILL Trident Z Neo provides 32GB across four slots. The Corsair Vengeance LPX and KLEVV Bolt X offer 32GB in two sticks. For maximum capacity, the G.SKILL Ripjaws V comes in 64GB kits. All these maintain 3600MHz speeds with CL18 latency.
Is there a non-RGB CL18 option available?
The KLEVV Bolt X 32GB is a non-RGB choice. It provides dual-channel 32GB capacity without lighting effects. The Corsair Vengeance LPX and G.SKILL Ripjaws V also come in black, non-illuminated versions. If you prefer a clean look, these kits deliver 3600MHz CL18 performance without extra aesthetics.
What is the difference between UDIMM and SODIMM?
UDIMM modules are full-size sticks for standard desktop motherboards. SODIMM modules are smaller and used in laptops. The Corsair Vengeance 2666MHz is a SODIMM. All other desktop kits, like the G.SKILL Trident Z and Corsair Vengeance LPX, are UDIMMs. Match the form factor to your device type.
Do these kits support Intel XMP profiles?
Yes, all desktop kits support Intel XMP for easy speed activation. The G.SKILL Trident Z RGB and Corsair Vengeance LPX use XMP to reach 3600MHz. The Patriot Viper Steel also supports XMP 2.0. You enable this in your BIOS to run the RAM at its rated CL18 speed instead of the base JEDEC speed.