Will this work in my desktop computer?

No, this memory is designed for servers and select workstations that support DDR4 ECC Registered memory only. If you’re unsure, contact our support team, we’re happy to help you find the exact memory your system needs!

What’s the difference between DDR4 and other types of memory and can I use them interchangeably?

No, DDR4 memory is not compatible or interchangeable with other types such as DDR5, DDR3, and so on. Each memory type uses different slot designs, voltages, and architectures, so your system must support the memory type specifically.

Can I mix ECC Registered (ECC RDIMM) modules with other ECC types?

No, you cannot mix ECC Registered with ECC Unbuffered (ECC UDIMM), Load-Reduced (LRDIMM), or Non-ECC Unbuffered (Non-ECC UDIMM) modules. All installed memory modules must be the same ECC type or your system will fail to boot.

What ECC type does my system need and which slots should I use?

Refer to your system or motherboard manual for supported ECC types and correct memory channel configuration. Using the wrong type or incorrect slot population can cause boot failures or reduce system stability.

Why isn't my memory running at the advertised speed?

Memory speed can drop when more DIMMs are installed per channel due to increased electrical load. This is normal and can vary based on your system’s design. Check your server’s memory population and configuration rules for optimal performance.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

A-Tech 64GB DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)

A-Tech 64GB DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)

Product ID: 745449014

Details

Brand
A-Tech
Compatible Devices
Server
Computer Memory Size
64 GB
Memory Speed
2666 MHz
RAM Memory Technology
DDR4

⚡2666MHz blazing speed

💾64GB massive capacity

🛡️ECC Registered for error-free stability

R12957

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Description

🚀 Power your server’s potential with A-Tech’s elite 64GB DDR4 RAM!

MASSIVE 64 GB CAPACITY - Handle heavy workloads and multitasking like a pro with ample RAM headroom.
BLAZING 2666 M HZ DDR 4 SPEED - Turbocharge your server’s data flow with lightning-fast memory bandwidth.
ECC REGISTERED RELIABILITY - Minimize costly errors and downtime with enterprise-grade error correction.
QUAD RANK 4 RX 4 ARCHITECTURE - Maximize memory density and performance for demanding server environments.
PLUG PLAY ENTERPRISE COMPATIBILITY - Seamlessly upgrade select DDR4 servers & workstations — no desktop or laptop compatibility needed.

The A-Tech 64GB DDR4 2666MHz PC4-21300 ECC Registered RDIMM is a high-capacity, enterprise-grade memory module designed exclusively for select DDR4 servers and workstations. Featuring error-correcting code (ECC) and quad rank architecture, it delivers reliable, high-speed performance at 1.2V while reducing system bottlenecks. Backed by a limited lifetime warranty, this 288-pin DIMM is ideal for professionals seeking robust, scalable memory upgrades.

Specifications

ASIN	B0C2FTXNXW
Additional Features	Ecc, Registered Memory
Best Sellers Rank	#105 in Computer Memory
Brand	A-Tech
Column Address Strobe Latency	CL19
Compatible Devices	Server, Workstation
Computer Memory Size	64 GB
Customer Reviews	5.0 out of 5 stars 2 Reviews
Data Transfer Rate	21300 megabytes_per_second
Form Factor	RDIMM
Item Type Name	Computer RAM Memory
Manufacturer	A-Tech
Memory Form Factor	RDIMM
Memory Generation	DDR4
Memory Speed	2666 MHz
Mfr Part Number	AT64G1D4D2666RQ43DSN12V
Model Name	A-Tech Enterprise Series
Model Number	AT64G1D4D2666RQ43DSN12V
Number of Items	1
Number of Packs	1
Number of Pins	288
RAM Memory Technology	DDR4
RAM Size	64 GB
Special Feature	Ecc, Registered Memory
Unit Count	1 Count
Voltage	1.2 volts
Warranty Description	Limited Lifetime Warranty covering defects in materials and workmanship

Reviews

A**.

Great RAM for the price point

3.03.2025

D**N

Best Bang for the Money

Works as expected and cheaper than other solutions for older GEN Processors!

9.05.2024

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

R12957

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews