---
product_id: 532052496
title: "A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)"
brand: "a-tech"
price: "₩1420504"
currency: KRW
in_stock: true
reviews_count: 8
category: "A Tech"
url: https://www.desertcart.kr/products/532052496-a-tech-64gb-kit-2x32gb-ddr4-2666mhz-pc4-21300-ecc
store_origin: KR
region: South Korea
---

# 2666MHz high-speed memory 64GB DDR4 ECC RDIMM kit ECC Registered for error correction A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)

**Brand:** a-tech
**Price:** ₩1420504
**Availability:** ✅ In Stock

## Summary

> 🚀 Power your server with precision and speed — because your data deserves the best!

## Quick Answers

- **What is this?** A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) by a-tech
- **How much does it cost?** ₩1420504 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/532052496-a-tech-64gb-kit-2x32gb-ddr4-2666mhz-pc4-21300-ecc)

## 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

- • **Blazing 2666MHz Speed:** Experience seamless data transfer and reduced bottlenecks with industry-standard DDR4 2666MHz performance.
- • **Massive 64GB Capacity:** Double your workstation’s multitasking power with 2x32GB modules designed for heavy workloads.
- • **Server-Grade Compatibility:** Specifically engineered for select DDR4 ECC Registered servers and workstations — no desktop compromises.
- • **Lifetime Warranty & Support:** Backed by A-Tech’s limited lifetime warranty and expert support, so you upgrade with confidence.
- • **Error-Correcting Reliability:** ECC Registered DIMMs ensure your server or workstation runs stable and error-free under pressure.

## Overview

The A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC Registered RDIMM is a high-performance memory upgrade tailored for select servers and workstations. Featuring dual-rank ECC Registered modules, it delivers robust error correction and stable operation at 1.2V with 288-pin DDR4 architecture. Designed to boost system performance and workload capacity, this kit is backed by a limited lifetime warranty and expert support, ensuring reliable, long-term use in professional environments.

## Description

Product description 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! 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. 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. 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. 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. 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. Specifications DDR4 ECC Server Memory DDR4 ECC Registered DDR4 ECC Unbuffered DDR4 ECC Load Reduced DDR4 ECC RDIMM

Review: Satisfied - I upgraded the memory on my workstation, and was concerned that there might be compatibility issues with the existing memory, but it is working without any problems.
Review: Great purchase, works perfectly - Great purchase. Fast shipping, great packaging and we’ve had installed for nearly six months and they work flawlessly on our 2019 Mac Pro

## Features

- A-Tech RAM Memory compatible for select DDR4 Servers & Workstation systems only; (*WILL NOT WORK with Desktop Computers, Laptop Computers, or PCs of any kind*)
- 64GB RAM Kit (2 x 32GB Modules); DDR4 DIMM 288 Pin; Speeds up to 2666MHz/2667MHz PC4-21300 (PC4-2666V)
- ECC Registered RDIMM; 2Rx4 - Dual Rank x4; JEDEC DDR4 standard 1.2V
- Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
- Note: This memory is ECC Registered and cannot be mixed with different ECC types such as ECC Unbuffered, 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 | B0BPN48JTW |
| Additional Features | Ecc, Registered Memory |
| Best Sellers Rank | #110 in Computer Memory |
| Brand | A-Tech |
| Column Address Strobe Latency | CL19 |
| Compatible Devices | Server, Workstation |
| Computer Memory Size | 64 GB |
| Customer Reviews | 4.6 out of 5 stars 274 Reviews |
| Data Transfer Rate | 21300 Megabytes Per Second |
| Form Factor | RDIMM |
| Item Type Name | Computer RAM Memory |
| Manufacturer | A-Tech |
| Memory Speed | 2666 MHz |
| Model Name | A-Tech Enterprise Series |
| Number of Pins | 288 |
| RAM Memory Technology | DDR4 |
| RAM Size | 64 GB |
| Special Feature | Ecc, Registered Memory |
| 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 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 1](https://m.media-amazon.com/images/I/81vSqQAoWlL.jpg)

## Available Options

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

## Questions & Answers

**Q: Will this work in my desktop computer?**
A: 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!

**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 Registered (ECC RDIMM) modules with other ECC types?**
A: 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.

**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.

**Q: Why isn't my memory running at the advertised speed?**
A: 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Satisfied
*by M***I on January 29, 2026*

I upgraded the memory on my workstation, and was concerned that there might be compatibility issues with the existing memory, but it is working without any problems.

### ⭐⭐⭐⭐⭐ Great purchase, works perfectly
*by E***E on December 4, 2025*

Great purchase. Fast shipping, great packaging and we’ve had installed for nearly six months and they work flawlessly on our 2019 Mac Pro

### ⭐⭐⭐⭐⭐ Great RAM
*by A***P on December 7, 2025*

RAM worked just as it should, glad I bought it before the crazy price stuff happened. Very pleased with my purchase, 10/10.

## Frequently Bought Together

- A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
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- LSI 9500-8I

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-25*