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A-Tech 4GB DDR4 2400MHz PC4-19200 ECC RDIMM 1Rx8 Single Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)
A-Tech

A-Tech 4GB DDR4 2400MHz PC4-19200 ECC RDIMM 1Rx8 Single Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)

4.5(275 reviews, all variants)
budget$0-$49
#85 in Computer Memory
ddr
DDR4
type
DDR4
speed
2400 MHz
voltage
1.2 Volts
capacity
4 GB
speed mhz
2400MHz
compatible
Server, Workstation
capacity gb
4GB

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 4GB DDR4 2400MHz ECC Registered DIMM operating at 1.2V, designed exclusively for compatible server and workstation systems.

Situational Fit

This 4GB DDR4 2400MHz ECC RDIMM is a very specific component. It's a strong fit only for older or very niche server/workstation setups that explicitly require this exact specification and capacity. For most modern server needs, 4GB is too small, and 2400MHz is on the slower side.

If 4GB is too restrictive, look for higher capacity ECC RDIMMs (e.g., 16GB or 32GB per module) at 2933MHz or 3200MHz for improved performance and future-proofing.

Regret Score™

Very High Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

66/100
vs. 242 Memory we've analyzedSafer than 0%
Hidden Defects
22/35

Issues discovered after purchase

Achilles' Heel
18/25

Critically weak dimension

Expectation Gap
15/20

Amazon rating vs actual quality

Fit Risk
11/20

Chance this product isn't for you

BuyChoice Score
2.0

Pros

  • Features ECC Registered DIMM (RDIMM) for error correction and system stability in server environments.
  • Operates at 2400MHz (PC4-19200) speed, aligning with standard DDR4 server memory speeds.
  • Utilizes 1.2V, which is the JEDEC standard for DDR4, contributing to lower power consumption.
  • Single Rank 1Rx8 configuration, which can be beneficial for certain server memory architectures.

Cons

  • 4GB capacity is minimal for modern server or workstation applications, limiting workload potential.
  • 2400MHz speed is on the lower end for DDR4, potentially bottlenecking systems that support faster memory.
  • Strictly incompatible with desktop or laptop computers, requiring specific server/workstation motherboards.
  • Cannot be mixed with other ECC types (e.g., ECC Unbuffered, Load Reduced) or Non-ECC memory, complicating upgrades.

Dimension Scores

Speed & Latency5/10

2400MHz is a standard DDR4 speed, but it's not pushing any boundaries for performance in server memory.

Compatibility3/10

Compatibility is highly restricted to specific DDR4 server and workstation motherboards that support ECC Registered DIMMs, excluding all consumer PCs.

Overclocking Headroom1/10

ECC Registered server memory is not designed for overclocking; its primary focus is stability and error correction, not speed beyond its rated frequency.

Reliability7/10

As an ECC Registered DIMM, it includes error-correcting code, which inherently makes it more reliable for data integrity than non-ECC memory.

Best For

  • Upgrading older server or workstation systems that specifically require 4GB 2400MHz ECC RDIMM.
  • Small-scale server applications where 4GB per module is sufficient for the workload.
  • Systems with tight budget constraints that need ECC functionality without high capacity or speed.
  • Replacing a failed 4GB 2400MHz ECC RDIMM in a compatible server.

Not Recommended For

  • Any desktop PC or laptop, as it's ECC Registered DIMM.
  • High-performance computing or data-intensive server applications requiring significant memory capacity.
  • Systems that benefit from faster DDR4 speeds like 2933MHz or 3200MHz.
  • Users unfamiliar with server memory compatibility requirements.

Watch Out For

  • The product's 'Date First Available' is February 26, 2025, meaning there is no current user feedback available to assess real-world performance or common issues.
  • Attempting to install this ECC Registered DIMM into a standard desktop motherboard will result in system boot failure, as desktop boards typically only support unbuffered memory.
  • 4GB capacity per module can quickly become a bottleneck in virtualized environments or with multiple demanding server applications.
  • Mixing this 1Rx8 single rank module with dual rank or different ECC types in the same system can lead to instability or non-detection, requiring careful system configuration.

Full Specifications

RAM4 GB DDR4
ASINB0DYLBJ745
BrandA-Tech
Color1 Module
Voltage1.2 Volts
Item Weight0.8 ounces
ManufacturerA-Tech
Memory Speed2400 MHz
Item model numberAT4G1D4D2400RS8N12V
Compatible DevicesServer, Workstation
Product Dimensions5.25 x 1.23 x 0.15 inches
Computer Memory Size4 GB
RAM Memory TechnologyDDR4
Item Dimensions LxWxH5.25 x 1.23 x 0.15 inches

What Buyers Say

Due to the product's 'Date First Available' being February 26, 2025, there are no actual user reviews or feedback available at this time. Therefore, any assessment of common praise, complaints, or long-term ownership experiences cannot be provided. The information below is based purely on product specifications and general knowledge of this type of memory.

“Can't really say anything about it yet, it's not even out! But if it works like it says for my old server, then cool.”

Frequently Asked Questions

Will this RAM work in my gaming PC?

No, this is ECC Registered DIMM (RDIMM) memory designed for servers and workstations. It will not work in standard desktop or laptop computers, which typically use unbuffered (UDIMM) memory.

What does 'ECC Registered' mean?

'ECC' stands for Error-Correcting Code, which detects and corrects common memory errors, crucial for data integrity in servers. 'Registered' means it has a buffer that improves stability in systems with many memory modules, but makes it incompatible with most consumer motherboards.

Can I mix this 4GB module with my existing 8GB non-ECC RAM?

Absolutely not. This module is ECC Registered and cannot be mixed with non-ECC memory or other ECC types (like ECC Unbuffered or Load Reduced). Your system will likely not boot or will be unstable.

Is 2400MHz fast enough for a server?

2400MHz is a standard speed for DDR4, but it's on the lower end for modern servers. While functional, systems supporting faster memory (e.g., 2933MHz, 3200MHz) will see better performance, especially with memory-intensive tasks.

Why is the voltage 1.2V?

1.2V is the standard operating voltage for DDR4 memory, as defined by JEDEC. This lower voltage compared to DDR3 (1.5V) contributes to reduced power consumption and heat generation in server environments.

Buying Guide

When you're looking at server RAM like this, 'ECC Registered' is the big deal. It means the memory has extra circuitry to catch and fix data errors, which is super important for servers where data integrity is everything. But here's the catch: it won't work in your regular desktop PC. You need a motherboard and CPU specifically designed for server or workstation memory to use this.

ECC Registered DIMM (RDIMM)

Think of ECC as a built-in spell-checker for your data in memory. It prevents crashes and data corruption, which is critical for servers running 24/7. 'Registered' means it has a buffer chip that helps stabilize signals, allowing servers to handle more memory modules than consumer PCs.

4GB Capacity

This is how much data the module can hold. 4GB is pretty small for today's servers, which often need dozens or hundreds of gigabytes. It's like having a tiny cup for a big thirst; you'll fill it up fast if your server is doing anything demanding.

2400MHz Speed

This is how fast the memory can process data, like the speed limit on a highway. 2400MHz is a baseline speed for DDR4. While it works, faster speeds (like 3200MHz) are like a higher speed limit, letting your server move data around quicker, especially if your CPU and motherboard support it.

Alternatives

If 4GB isn't enough, search for 'ECC Registered DIMM' with higher capacities like 16GB or 32GB. If 2400MHz is too slow, look for 'ECC Registered DIMM' at 2933MHz or 3200MHz, ensuring your server's motherboard supports those speeds.

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