---
product_id: 535268386
title: "A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)"
brand: "a-tech"
price: "4596.75 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "A Tech"
url: https://www.desertcart.tn/products/535268386-a-tech-server-64gb-kit-4x16gb-ddr4-2666mhz-pc4-21300
store_origin: TN
region: Tunisia
---

# 2666MHz DDR4 speed 64GB total capacity (4x16GB) ECC Unbuffered error correction A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)

**Brand:** a-tech
**Price:** 4596.75 DT
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your server’s brainpower — because your data deserves elite memory!

## Quick Answers

- **What is this?** A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) by a-tech
- **How much does it cost?** 4596.75 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/535268386-a-tech-server-64gb-kit-4x16gb-ddr4-2666mhz-pc4-21300)

## Best For

- a-tech enthusiasts

## Why This Product

- Trusted a-tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Massive 64GB Capacity Kit:** Empower your enterprise-grade systems with a hefty 64GB RAM kit (4x16GB) to crush bottlenecks and elevate performance under heavy workloads.
- • **Blazing DDR4 2666MHz Speed:** Turbocharge your server’s data flow with lightning-fast memory clocked at 2666MHz for seamless multitasking and workload handling.
- • **Plug & Play Server Compatibility:** Optimized for select DDR4 server and workstation platforms—engineered to slot in effortlessly and maximize your system’s potential.
- • **Lifetime Warranty & Elite Support:** Invest with confidence backed by A-Tech’s limited lifetime warranty and dedicated support team ready to keep your infrastructure running flawlessly.
- • **Rock-Solid ECC Unbuffered Reliability:** Minimize costly errors and system crashes with advanced ECC unbuffered technology designed specifically for mission-critical servers and workstations.

## Overview

The A-Tech Server 64GB Kit features four 16GB DDR4 2666MHz ECC unbuffered UDIMM modules designed exclusively for compatible server and workstation systems. With dual-rank 2Rx8 architecture and JEDEC standard 1.2V operation, it delivers robust error correction and high-speed performance to reduce bottlenecks and enhance workload capacity. Covered by a limited lifetime warranty and supported by expert service, this memory upgrade is a reliable choice for professionals demanding stability and speed.

## Description

Buy A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series): Memory - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Decent ram - It's expensive but all ram is now, especially unbuffered ecc ram. Works comparable to the Kingston I bought three years ago.
Review: Compatible with QNAP TS-h886 - Worked perfectly in QNAP TS-h886. Dual channel, paired with another brand of dual channel 32gb sticks.

## Features

- A-Tech RAM Memory compatible for select DDR4 Server and Workstation systems only; (*WILL NOT WORK with Desktop or Laptop Computers/PCs*)
- 64GB RAM Kit (4 x 16GB Modules); DDR4 DIMM 288 Pin; Speeds up to 2666MHz/2667MHz PC4-21300 (PC4-2666V)
- ECC Unbuffered UDIMM; 2Rx8 - Dual Rank x8; JEDEC DDR4 standard 1.2V
- Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
- Note: This memory is ECC Unbuffered and cannot be mixed with different ECC types such as ECC Registered, ECC Load Reduced, or Non-ECC Unbuffered; (Memory compatibility can vary among different system models and their installed components; please verify compatibility and follow memory channel guidelines to ensure maximum performance)
- Each A-Tech memory module is built and tested for superior performance and trusted reliability
- All A-Tech products are covered with a Limited Lifetime Warranty and are backed by our top rated support team to help guide you every step of the way

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BQ8RBNMB |
| Additional Features | ECC Unbuffered, Ecc |
| Best Sellers Rank | #204 in Computer Memory |
| Brand | A-Tech |
| Column Address Strobe Latency | CL19 |
| Compatible Devices | Server, Workstation |
| Computer Memory Size | 64 GB |
| Customer Reviews | 4.9 out of 5 stars 17 Reviews |
| Data Transfer Rate | 21300 megabytes_per_second |
| Form Factor | DIMM |
| Item Type Name | Computer RAM Memory |
| Manufacturer | A-Tech |
| Memory Form Factor | UDIMM |
| Memory Generation | DDR4 |
| Memory Speed | 2666 MHz |
| Mfr Part Number | AT16G4D4D2666ED8N12V |
| Model Name | A-Tech Enterprise Series |
| Model Number | AT16G4D4D2666ED8N12V |
| Number of Pins | 288 |
| RAM Memory Technology | DDR4 |
| RAM Size | 64 GB |
| Special Feature | ECC Unbuffered, Ecc |
| Unit Count | 4 Count |
| Voltage | 1.2 volts |
| Warranty Description | Limited Lifetime Warranty covering defects in materials and workmanship |

## Product Details

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

## Images

![A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 1](https://m.media-amazon.com/images/I/8104GcPW1mL.jpg)
![A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 2](https://m.media-amazon.com/images/I/71mmxXiBLqL.jpg)
![A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 3](https://m.media-amazon.com/images/I/71pFjaNkTyL.jpg)
![A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 4](https://m.media-amazon.com/images/I/81gxteRAWNL.jpg)
![A-Tech Server 64GB Kit (4x16GB) DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 5](https://m.media-amazon.com/images/I/81rt+1ZeX3L.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Will this work in my desktop computer?**
A: No, most desktop PCs do not support ECC memory and instead require Non-ECC memory. This memory is designed for workstations and servers compatible with DDR4 ECC Unbuffered memory. If you’re unsure, contact our support team, we’re happy to help!

**Q: What’s the difference between DDR4 and other types of memory and can I use them interchangeably?**
A: 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.

**Q: Can I mix ECC Unbuffered (ECC UDIMM) modules with other ECC types?**
A: No, you cannot mix ECC Unbuffered with ECC Registered (RDIMM), 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.

**Q: What ECC type does my system need and which slots should I use?**
A: 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Decent ram
*by H***G on June 24, 2026*

It's expensive but all ram is now, especially unbuffered ecc ram. Works comparable to the Kingston I bought three years ago.

### ⭐⭐⭐⭐⭐ Compatible with QNAP TS-h886
*by P***O on November 11, 2025*

Worked perfectly in QNAP TS-h886. Dual channel, paired with another brand of dual channel 32gb sticks.

### ⭐⭐⭐⭐⭐ Quality low cost RAM
*by A***R on February 11, 2023*

Upgraded my PowerEdge T30 with this RAM. Easy install and works great. Was looking to buy 16GB but found this 32GB for about the same price.

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-27*