
A-Tech 16GB DDR5 5600MHz PC5-44800 CL46 UDIMM 1.1V Non-ECC Unbuffered DIMM 288-Pin Desktop PC/Computer RAM Memory Upgrade Module
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
A 16GB DDR5 5600MHz CL46 UDIMM module for desktop PCs needing a standard memory upgrade.
This 16GB DDR5 5600MHz CL46 module is a standard, no-frills option for desktop users. Its 1.1V operation and non-ECC unbuffered design make it compatible with most modern DDR5 desktop systems, but the CL46 latency places it in the average performance tier. It's a straightforward upgrade for increasing memory capacity.
If you need lower latency for gaming or demanding applications, look for DDR5-5600 modules with a CAS Latency of CL40 or lower, or consider higher speed DDR5 RAM (e.g., 6000MHz+).
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Offers 16GB capacity in a single module, allowing for flexible system upgrades.
- Operates at 5600MHz, providing faster data transfer rates compared to DDR4 memory.
- Runs at a low 1.1V, contributing to improved power efficiency.
- Features non-ECC unbuffered design, suitable for most consumer desktop systems.
- Designed for quick and easy installation in compatible desktop systems.
Cons
- CL46 CAS latency is on the higher side for DDR5-5600 modules, potentially impacting performance in latency-sensitive applications.
- Does not explicitly state support for Intel XMP or AMD EXPO profiles, meaning manual timing adjustments might be needed to achieve optimal performance.
- As a single 16GB module, it won't enable dual-channel memory performance without purchasing a second identical module.
- Non-ECC design means it lacks error correction capabilities found in server-grade memory.
Dimension Scores
The 5600MHz speed is standard for entry-level DDR5, but the CL46 latency is on the higher side for this speed, placing it at category average.
As a standard 288-pin UDIMM operating at 1.1V, it's compatible with most modern desktop motherboards and CPUs that support DDR5 memory.
The product does not specify XMP or EXPO support, and CL46 latency suggests it's not designed for significant overclocking beyond its rated speed.
A-Tech states each module is built and tested for superior performance and reliability, and DDR5 includes on-die ECC for enhanced data transmission stability, though it lacks full ECC.
Best For
- Desktop PC users looking to upgrade from 8GB or 16GB DDR5 single-channel configurations.
- Building a budget-conscious DDR5 desktop system where raw speed isn't the absolute top priority.
- Systems primarily used for general computing, web browsing, and light productivity tasks.
- Users needing a single 16GB stick to fill an available memory slot.
Not Recommended For
- High-performance gaming rigs or workstations demanding the lowest possible memory latency.
- Users who require ECC memory for critical data integrity (e.g., servers, specific workstations).
- Systems where maximum overclocking potential is a primary concern.
Watch Out For
- This module is DDR5 and will not physically fit or function in motherboards designed for DDR4 RAM.
- The CL46 latency is higher than some other 5600MHz DDR5 modules, which could result in slightly slower real-world performance in certain tasks compared to modules with lower CL values.
- Without explicit XMP or EXPO support, achieving the advertised 5600MHz speed might require manual BIOS configuration on some motherboards.
Full Specifications
| RAM | 16 GB DDR5 |
| ASIN | B0CQ3N4SRK |
| Brand | A-Tech |
| Color | Multicolor |
| Series | A-Tech |
| Voltage | 1.1 Volts |
| Item Weight | 0.634 ounces |
| Manufacturer | A-Tech |
| Memory Speed | 5600 MHz |
| Item model number | AT16G1D5D5600NA0N11V |
| Compatible Devices | Desktop |
| Product Dimensions | 5.25 x 1.23 x 0.15 inches |
| Computer Memory Size | 16 GB |
| Computer Memory Type | DDR5 SDRAM |
| RAM Memory Technology | DDR5 |
| Item Dimensions LxWxH | 5.25 x 1.23 x 0.15 inches |
What Buyers Say
Specific user feedback for this exact A-Tech 16GB DDR5 5600MHz CL46 module (ASIN B0CQ3N4SRK) is not readily available through public searches. The product holds a 4.5/5 rating across 121 reviews on Amazon, suggesting a generally positive reception for its category. Without specific user comments, it's difficult to pinpoint recurring praises or complaints for this particular model. General sentiment for standard DDR5 modules often revolves around ease of installation and noticeable performance bumps when upgrading from insufficient RAM.
“I just needed a basic 16GB stick for my new build, and this one popped right in and worked at 5600MHz, no fuss.”
Common Praise
- Not enough specific user feedback for this ASIN to identify common praises.
- General DDR5 modules are often praised for straightforward installation.
- Users typically report improved system responsiveness after upgrading from lower capacity or older generation RAM.
- The 1.1V operating voltage is a common positive for DDR5, indicating lower power consumption.
Common Complaints
- Not enough specific user feedback for this ASIN to identify common complaints.
- Some users might find the CL46 latency to be higher than desired for performance-critical tasks.
- Lack of explicit XMP/EXPO profiles can sometimes lead to confusion during setup if the motherboard doesn't automatically detect the correct speed.
Ownership Tips
- The module runs at 1.1V, which is standard for DDR5 and helps keep temperatures down.
- Installation is as simple as clicking it into the correct DIMM slot.
- Performance is as expected for a standard 5600MHz CL46 module, no surprises.
- No fancy heat spreaders or RGB, just a functional memory stick.
Frequently Asked Questions
Is this RAM compatible with my DDR4 motherboard?
No, this is DDR5 RAM and is only compatible with motherboards and CPUs that specifically support DDR5 memory. It will not fit or work in a DDR4 slot.
Do I need to enable XMP or EXPO for this RAM?
The product specifications do not explicitly mention XMP or EXPO support. While it should run at its rated 5600MHz speed, you might need to manually enable the correct memory profile in your motherboard's BIOS/UEFI settings to ensure it operates at the advertised speed.
Can I use this with another brand of RAM?
While it might work, mixing RAM modules from different brands or with different specifications (even if they are both DDR5-5600 CL46) can sometimes lead to instability or force all modules to run at the lowest common speed and highest common latency. For optimal stability and performance, it's recommended to use identical modules.
What does 'non-ECC Unbuffered' mean?
'Non-ECC' means it does not have error-correcting code, which is typically found in server memory for critical data integrity. 'Unbuffered' (or UDIMM) means the memory controller communicates directly with the memory modules, which is standard for consumer desktop PCs.
Will adding this RAM make my computer faster?
Adding more RAM can improve system speed and performance by reducing bottlenecks, especially if your current system is frequently using all its available memory. It allows your computer to handle more applications and larger files simultaneously without slowing down.
Buying Guide
When you're looking at RAM, you're basically adding more short-term memory to your computer. This lets your PC juggle more programs and browser tabs without slowing down. For DDR5, you need a motherboard and CPU that specifically support it, so don't try to put this in an older DDR4 system. The amount of RAM (like 16GB here) is important, but so is the speed and latency, especially if you're into gaming or heavy multitasking.
Capacity (16GB)
This is how much data your computer can hold in its short-term memory. Think of it like the size of your desk: a bigger desk (more GB) means you can have more things open and accessible at once without having to put stuff away and pull it out again.
Speed (5600MHz)
This measures how quickly the RAM can transfer data. Imagine it as how fast you can move papers on your desk. Higher MHz means faster data movement, which can make your applications feel snappier, especially in tasks that constantly access memory.
CAS Latency (CL46)
This is the delay, measured in clock cycles, between when the memory controller requests data and when the data is actually available. It's like the time it takes you to reach for a specific paper on your desk after deciding you need it. Lower CL numbers are better, meaning less delay.
Type (DDR5 UDIMM)
DDR5 is the newest generation of RAM, offering improvements over DDR4. UDIMM (Unbuffered DIMM) is the standard type for consumer desktop PCs, meaning it connects directly to the memory controller without an extra buffer chip, which is fine for most users.
Alternatives
If this module doesn't fit your needs, look for DDR5 RAM with lower CAS latency (e.g., CL30-CL40) for better responsiveness, or higher speeds (e.g., 6000MHz or 6400MHz) for maximum bandwidth, especially if your motherboard and CPU support it.



