A-Tech 32GB DDR5 4800MHz CL40 or A-Tech 32GB DDR5 5600MHz UDIMM? Which A-Tech Model to Buy
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are looking at a tech 32gb ddr5 4800mhz cl40 vs 32gb ddr5 5600mhz udimm. Both kits use DDR5 technology and operate at 1.1V. They share non-ECC unbuffered design. The main difference is form factor and speed. One is a single 32GB SODIMM for laptops. The other is a dual-module UDIMM kit for desktops. You must match the physical shape to your system.
Key differences
| Aspect | A-Tech 32GB DDR5 4800MHz CL40 SODIMM | A-Tech 32GB DDR5 5600MHz UDIMM |
|---|---|---|
| Form Factor | 262-Pin SO-DIMM | 288-Pin UDIMM |
| Memory Speed | 4800MHz | 5600MHz |
| Kit Configuration | 1 x 32GB | 2 x 16GB |
| Compatible Devices | Laptops, Mini PCs | Dell OptiPlex Desktops |
| CAS Latency | CL40 | not listed |
Which one should you choose?
Choose A-Tech 32GB DDR5 4800MHz CL40 SODIMM if
- You need a single 32GB module for a laptop or mini PC.
- Your device requires 262-pin SO-DIMM slots.
- You prefer a slower 4800MHz speed with lower latency.
Choose A-Tech 32GB DDR5 5600MHz UDIMM if
- You are upgrading a Dell OptiPlex desktop computer.
- Your system uses standard 288-pin UDIMM slots.
- You want a 5600MHz speed with dual-channel configuration.
Verdict: These products serve different hardware categories. Choose the SODIMM for portable or compact systems. Pick the UDIMM kit for compatible desktop towers.
Speed and Form Factor Comparison
Memory Speed
Product B offers a higher clock speed at 5600MHz compared to Product A’s 4800MHz. This difference translates to greater bandwidth potential for data transfer. Product A uses PC5-38400 rating, while Product B utilizes PC5-44800. Higher speeds generally improve performance in memory-intensive tasks. You will notice a tangible difference in data throughput with the faster module. Product A is adequate for standard laptop workloads, but Product B provides superior raw speed for compatible desktop systems. The 800MHz gap is significant for high-performance computing needs.
Form Factor
The physical size determines where you can install these modules. Product A is a 262-pin SO-DIMM, designed specifically for laptops, mini PCs, and all-in-one computers. Product B is a 288-pin UDIMM, intended for standard desktop towers. You cannot swap these modules between device types due to the different pin counts and physical dimensions. Product A fits in compact spaces where space is limited. Product B requires a standard desktop motherboard slot. Choosing the wrong form factor will prevent installation entirely, so verify your device type first.
Kit Configuration
Product A is sold as a single 32GB module. You get one stick of memory. Product B is sold as a dual kit containing two 16GB modules. This configuration allows for dual-channel operation on compatible desktop systems, which can improve performance over single-channel setups. Product A’s single stick may limit bandwidth potential in some laptop architectures. Product B’s dual sticks provide flexibility for upgrading later or maximizing bandwidth from the start. Consider your motherboard’s slot availability when deciding between a single large stick or two smaller ones.
CAS Latency
Product A lists a CAS Latency of CL40. Product B’s specific CL value is not provided in the published specifications. Generally, lower latency means faster response times for memory requests. However, higher clock speeds can offset higher latency numbers. Since Product B runs at 5600MHz, its effective latency might still be competitive despite a potentially higher CL number. Without the exact CL for Product B, a direct comparison is incomplete. Product A’s CL40 is standard for 4800MHz DDR5. You must check the detailed specs for Product B to judge timing performance accurately.
Compatible Device
Product A is explicitly compatible with laptops, notebooks, and mini PCs. Product B is listed for Dell OptiPlex desktop models like the 7010 and 7020 series. You must match the module to your computer type. Using a desktop UDIMM in a laptop will not work due to size differences. Conversely, a laptop SO-DIMM will not fit in a desktop tower. Product A targets mobile computing needs. Product B targets desktop workstation or office environments. Always verify your specific device model against the compatibility lists to ensure proper function.
Which A-Tech DDR5 Kit Fits Your System
Laptop or mini PC owners needing 32GB
This single 32GB SODIMM module fits compact devices like laptops and mini PCs. It operates at 4800MHz with CL40 latency. The 262-pin form factor ensures compatibility with smaller chassis. You get a dual-rank configuration that balances capacity and performance for portable computing needs.
Desktop users upgrading Dell OptiPlex systems
This kit is designed for Dell OptiPlex desktops like the 7010 and 7020 series. It uses standard UDIMM slots with a 288-pin layout. The two 16GB modules run at 5600MHz, offering higher bandwidth than the SODIMM option. This setup maximizes throughput for stationary workstations.
Buyers prioritizing higher memory clock speeds
If speed is your main concern, the 5600MHz rating on this kit provides faster data transfer rates. It uses PC5-44800 specifications compared to the 38400 rating of the other model. The single-rank design supports efficient data access. You gain performance benefits for tasks that stress memory bandwidth.
The products compared
A-Tech 32GB DDR5 4800MHz CL40 SODIMM
Best for: Single-slot laptop memory upgrades
- Capacity
- 32GB
- Memory Speed
- 4800MHz
- CAS Latency
- CL40
- Kit Configuration
- 1 x 32GB
- Form Factor
- 262-Pin SO-DIMM
- Voltage
- 1.1V
View on Amazon: A-Tech 32GB DDR5 4800MHz CL40 SODIMM Affiliate link
This is a single 32GB DDR5 SO-DIMM module running at 4800MHz with CL40 latency. It uses 1.1V power and features 2Rx8 dual rank architecture. The 262-pin non-ECC unbuffered design fits laptops, mini PCs, and all-in-one computers. You get a single stick rather than a kit, which suits systems with only one memory slot or those needing a straightforward upgrade path without matching pairs.
Pros
- 32GB capacity in a single module
- DDR5 4800MHz speed standard
- Low 1.1V power consumption
- 2Rx8 dual rank configuration
- Non-ECC unbuffered design
Cons
- Single module limits dual-channel bandwidth potential
- CL40 latency is slower than higher-speed options
- SODIMM form factor restricts use to portable devices
Good fit if
- You need to upgrade a laptop with one available slot
- You require 32GB of memory without buying a kit
- You are building a mini PC or all-in-one system
Skip if
- You want to maximize performance with dual-channel memory
- You need higher speeds like 5600MHz or 5200MHz
- You are upgrading a desktop computer with DIMM slots
Verdict: A-Tech 32GB DDR5 4800MHz SODIMM is a practical single-stick solution for laptops and mini PCs needing a straightforward capacity boost. It fits users who prioritize ease of installation and single-slot compatibility over maximum bandwidth.
A-Tech 32GB DDR5 5600MHz UDIMM
Best for: Dell OptiPlex 7010/7020 desktop upgrades
- Capacity
- 32GB
- Memory Speed
- 5600MHz
- Kit Configuration
- 2x16GB
- Form Factor
- 288-Pin UDIMM
- Voltage
- 1.1V
- ECC Support
- Non-ECC
View on Amazon: A-Tech 32GB DDR5 5600MHz UDIMM Affiliate link
This kit includes two 16GB DDR5 modules running at 5600MHz with CL40 latency. It uses standard 1.1V voltage and single-rank architecture. The design fits Dell OptiPlex 7010 and 7020 systems. You get plug-and-play installation without needing technical skills. The non-ECC UDIMM form factor ensures broad compatibility with supported desktop models for straightforward upgrades.
Pros
- 5600MHz speed for improved system performance
- 32GB total capacity via 2x16GB modules
- Compatible with Dell OptiPlex 7010/7020 series
- Non-ECC UDIMM standard form factor
Cons
- Single rank configuration limits some dual-channel optimization
- Non-ECC memory lacks error correction
- CL40 latency is higher than faster DDR5 kits
Good fit if
- You own a Dell OptiPlex 7010 or 7020 desktop
- You need a straightforward 32GB upgrade
- You prefer standard UDIMM modules for easy installation
Skip if
- You require error-correcting code (ECC) memory
- You need a SODIMM form factor for laptops
- You prioritize the lowest possible latency over capacity
Verdict: A-Tech 32GB DDR5 5600MHz UDIMM fits users upgrading compatible Dell OptiPlex desktops who need reliable capacity without complex configuration.
Specifications side by side
| Spec | A-Tech 32GB DDR5 4800MHz CL40 SODIMM | A-Tech 32GB DDR5 5600MHz UDIMM |
|---|---|---|
| Capacity | 32GB | 32GB |
| Memory Speed | 4800MHz | 5600MHz |
| CAS Latency | CL40 | not stated |
| Kit Configuration | 1 x 32GB | 2x16GB |
| Form Factor | 262-Pin SO-DIMM | 288-Pin UDIMM |
| Voltage | 1.1V | 1.1V |
| ECC Support | Non-ECC Unbuffered | Non-ECC |
| Compatible Device | PC, Laptop | not stated |
| Dimensions | 2.74 × 1.18 × 0.15 inches | 5.25 × 1.23 × 0.15 inches |
| Size | 32GB (1 x 32GB) | 2 x 16GB | 32GB Kit |
| Color | Multicolor | Multicolor |
| Model | AT32G1D5S4800ND8N11V | not stated |
Frequently asked questions
Can I use the A-Tech 32GB DDR5 5600MHz UDIMM in my laptop?
No, you cannot. This kit uses the UDIMM form factor, which is designed for desktop computers. Your laptop requires the SODIMM form factor. The other model in this comparison is a SODIMM, making it the correct choice for portable devices and mini PCs.
Is the 4800MHz speed slow for modern systems?
It is the standard baseline for DDR5. While 5600MHz offers higher bandwidth, 4800MHz is sufficient for most everyday tasks. The slower speed is paired with a CL40 latency, which is typical for entry-level modules. You will not notice a difference in general web browsing or office work.
Do I need ECC memory for this upgrade?
No, you do not need ECC for these kits. Both the 4800MHz SODIMM and the 5600MHz UDIMM are Non-ECC. This means they lack error correction, which is standard for consumer laptops and desktops. You only need ECC if you are running specialized server software.
Will the 5600MHz kit run at full speed on my motherboard?
Only if your motherboard supports 5600MHz speeds. If your system only supports 4800MHz, the kit will downclock to match your hardware limits. The UDIMM format ensures it fits standard desktop slots, but speed compatibility depends entirely on your specific motherboard capabilities.
Is the SODIMM single stick or a dual kit?
It is a single stick. The 4800MHz model contains one 32GB module. This allows you to fill just one slot in your laptop. You can add another stick later if your device supports dual-channel memory, but this specific item is a single unit.
What is the physical size difference between the two modules?
The SODIMM is much smaller, measuring 2.74 inches in length. The UDIMM is longer at 5.25 inches, fitting standard desktop slots. Both have a similar height of about 0.15 inches. The width also differs slightly due to the different form factors.