--- product_id: 666418225 title: "256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)" brand: "a-tech" price: "€ 6605.38" currency: EUR in_stock: true reviews_count: 13 category: "A Tech" url: https://www.desertcart.hr/products/666418225-256gb-kit-2x128gb-ddr4-3200mhz-pc4-25600-ecc-rdimm-4rx4 store_origin: HR region: Croatia --- # 3200MHz blazing speed 256GB ultra-high capacity ECC Registered for error-free stability 256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) **Brand:** a-tech **Price:** € 6605.38 **Availability:** ✅ In Stock ## Summary > 🚀 Power your enterprise with unstoppable memory muscle! ## Quick Answers - **What is this?** 256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad 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?** € 6605.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/666418225-256gb-kit-2x128gb-ddr4-3200mhz-pc4-25600-ecc-rdimm-4rx4) ## 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 3200MHz Speed:** Experience lightning-fast data transfer rates (PC4-25600) that keep your server or workstation ahead of the curve. - • **Massive 256GB Capacity:** Double up with 2x128GB modules to crush multitasking and heavy workloads effortlessly. - • **ECC Registered Reliability:** Quad Rank ECC RDIMM ensures error correction and rock-solid system stability under intense workloads. - • **Lifetime Warranty & Expert Support:** Backed by A-Tech’s limited lifetime warranty and top-rated support, ensuring your upgrade is worry-free. - • **Optimized for Servers & Workstations:** Specifically engineered for DDR4 server-grade systems—no desktop or laptop compatibility, just pure enterprise power. ## Overview The A-Tech 256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC Registered RDIMM is a high-capacity, high-speed memory upgrade designed exclusively for select DDR4 servers and workstations. Featuring quad rank 4Rx4 architecture and ECC error correction, it delivers superior stability and performance for demanding professional workloads. With a low 1.2V power profile and 288-pin form factor, this memory kit is rigorously tested and backed by a limited lifetime warranty, making it the ultimate choice for enterprise-grade system enhancements. ## Description Buy A-Tech 256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series): Memory - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Awsome! - Great service, RAM worked perfect and arrived quickly. 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. ## 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*) - 256GB RAM Kit (2 x 128GB Modules); DDR4 DIMM 288 Pin; Speeds up to 3200MHz PC4-25600 (PC4-3200AA) - ECC Registered RDIMM; 4Rx4 (3DS 2S2Rx4) - Quad 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 | B0CJWY2B3V | | Additional Features | Ecc, Registered Memory | | Best Sellers Rank | #51 in Computer Memory | | Brand | A-Tech | | Column Address Strobe Latency | CL22 | | Compatible Devices | Server, Workstation | | Customer Reviews | 4.5 4.5 out of 5 stars (275) | | Data Transfer Rate | 25600 Megabytes Per Second | | Form Factor | RDIMM | | Item Type Name | computer-internal-memory | | Manufacturer | A-Tech | | Memory Speed | 3200 MHz | | Model Name | Enterprise Series | | Number of Pins | 288 | | RAM Memory Technology | DDR4 | | RAM Size | 256 GB | | 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:** 256 GB - **Memory Speed:** 3200 MHz - **RAM Memory Technology:** DDR4 ## Images ![256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad 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/810b562eV1L.jpg) ![256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 2](https://m.media-amazon.com/images/I/71OCo-JaQkL.jpg) ![256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 3](https://m.media-amazon.com/images/I/71kV+DRPnRL.jpg) ![256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 4](https://m.media-amazon.com/images/I/81Hyp3y2GQL.jpg) ![256GB Kit (2x128GB) DDR4 3200MHz PC4-25600 ECC RDIMM 4Rx4 (3DS 2S2Rx4) Quad Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series) - Image 5](https://m.media-amazon.com/images/I/81oSFJ+9nuL.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 ### ⭐⭐⭐⭐⭐ Awsome! *by Y***N on February 21, 2026* Great service, RAM worked perfect and arrived quickly. ### ⭐⭐⭐⭐⭐ 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/666418225-256gb-kit-2x128gb-ddr4-3200mhz-pc4-25600-ecc-rdimm-4rx4](https://www.desertcart.hr/products/666418225-256gb-kit-2x128gb-ddr4-3200mhz-pc4-25600-ecc-rdimm-4rx4) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-22*