--- product_id: 566936663 title: "A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA" brand: "a-tech" price: "āļŋ52118" currency: THB in_stock: true reviews_count: 8 category: "A Tech" url: https://www.desertcart.co.th/products/566936663-a-tech-32gb-2x16gb-ram-replacement-for-synology-d4ecso-2666 store_origin: TH region: Thailand --- # 2666 MHz DDR4 speed 32GB (2x16GB) capacity ECC Unbuffered reliability A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA **Brand:** a-tech **Price:** āļŋ52118 **Availability:** ✅ In Stock ## Summary > 🚀 Upgrade Your NAS, Upgrade Your Workflow! ## Quick Answers - **What is this?** A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA by a-tech - **How much does it cost?** āļŋ52118 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/566936663-a-tech-32gb-2x16gb-ram-replacement-for-synology-d4ecso-2666) ## 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 - â€Ē **Massive 32GB Capacity:** Double your memory with 2x16GB modules for seamless heavy workloads. - â€Ē **Lifetime Peace of Mind:** Backed by limited lifetime warranty and US-based 5-star support for zero downtime. - â€Ē **Plug & Play Compatibility:** Perfectly engineered for Synology DiskStation, RackStation, FlashStation, and NVR DVA models. - â€Ē **Rock-Solid ECC Reliability:** Error-correcting code ensures data integrity and system stability under pressure. - â€Ē **Turbocharge Your NAS Performance:** Boost multitasking and data handling with lightning-fast 2666 MHz DDR4 memory. ## Overview The A-Tech 32GB (2x16GB) DDR4 2666MHz ECC SO-DIMM RAM kit is a high-performance memory upgrade designed specifically for Synology NAS, RackStation, FlashStation, and NVR DVA servers. Featuring dual-rank 2Rx8 modules, low 1.2V power consumption, and error-correcting code for enhanced reliability, this memory kit ensures faster data processing, improved multitasking, and stable system operation. Compatible with a wide range of Synology models, it comes with a limited lifetime warranty and dedicated US-based technical support. ## Description An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!High Performance RAM Memory Replacement for Synology D4ECSO-2666-16G, D4ES01-16GCompatible for NAS DiskStation, RackStation, FlashStation, & NVR DVA Servers Models: DS1522+, DS1618+, DS1621+, DS1621xs+, DS1819+, DS1821+, DS2419+, DS2419+II, DS2422+, DS3018xs, DS3617xs, DS3617xsII, DS3622xs+, DS723+, DS923+, DVA3219, DVA3221, FS1018, RS1221+, RS1221RP+, RS822+, RS822RP+Memory Specs Memory Size: 32 GB Kit ( 2 x 16 GB Modules ) Memory Type: DDR4 Form Factor: SO-DIMM ( 260 Pin ) Speed: 2666 MHz / 2667 MHz ( PC4-21300 / PC4-2666V ) ECC Type: ECC Unbuffered Rank: 2Rx8 - Dual Rank x8 Voltage: 1.2VEnsured ReliabilityAll A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.Limited Lifetime WarrantyPurchase with confidence knowing that all A-Tech orders are covered by our Limited Lifetime WarrantyUS Based Technical SupportNeed help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory! Review: Works with DS923+ - I have purchased memory for Synology DS923+ and it works fine as system does recognise 32GB. Review: Works fine in ds9+ - Booted up no issues or warning. ## Features - Compatible for Synology NAS DiskStation, RackStation, FlashStation, & NVR DVA Servers models: DS1522+, DS1618+, DS1621+, DS1621xs+, DS1819+, DS1821+, DS2419+, DS2419+II, DS2422+, DS3018xs, DS3617xs, DS3617xsII, DS3622xs+, DVA3219, DVA3221, FS1018, RS1221+, RS1221RP+, RS822+, RS822RP+ - 32 GB RAM Kit (2 x 16GB Modules); DDR4 SO-DIMM 260-Pin; Speeds up to 2666/2667-MHz, PC4-21300 (PC4-2666V) - ECC Unbuffered; 2Rx8 (Dual Rank x8); JEDEC DDR4 standard 1.2V - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BYKHFT2X | | Best Sellers Rank | 111,152 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 790 in Computer Memory | | Brand Name | A-Tech | | Column Address Strobe Latency | 19 | | Compatible Devices | DS1522+, DS1618+, DS1621+, DS1621xs+, DS1819+, DS1821+, DS2419+, DS2419+II, DS2422+, DS3018xs, DS3617xs, DS3617xsII, DS3622xs+, DVA3219, DVA3221, FS1018, RS1221+, RS1221RP+, RS822+, RS822RP+, DS723+, DS923+ | | Customer Reviews | 4.4 4.4 out of 5 stars (56) | | Data Transfer Rate | 21300 Megabytes Per Second | | Form Factor | SO-DIMM | | Item Type Name | Computer RAM Memory | | Manufacturer | A-Tech | | Memory Speed | 2666 MHz | | Model Name | AT16G2D4S2666ND8N12V | | Number of Pins | 260 | | Product Features | Lightweight | | RAM Memory Technology | DDR4 | | RAM Size | 32 GB | | Voltage | 1.2 Volts | ## Product Details - **Brand:** A-Tech - **Computer memory size:** 32 GB - **Memory speed:** 2666 MHz - **RAM memory technology:** DDR4 ## Images ![A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA - Image 1](https://m.media-amazon.com/images/I/91jlK3wqPZL.jpg) ![A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA - Image 2](https://m.media-amazon.com/images/I/81RcRRA9JcL.jpg) ![A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA - Image 3](https://m.media-amazon.com/images/I/61c1Vw+dEuL.jpg) ![A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA - Image 4](https://m.media-amazon.com/images/I/71wrLmaMr-L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works with DS923+ *by R***T on 13 December 2023* I have purchased memory for Synology DS923+ and it works fine as system does recognise 32GB. ### ⭐⭐⭐⭐⭐ Works fine in ds9+ *by B***H on 21 February 2024* Booted up no issues or warning. ### ⭐ Doesn't work with Synology NAS DS3622xs+ *by F***I on 26 December 2025* It doesn't work with Synology NAS DS3622xs+ as claimed. --- ## 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.co.th/products/566936663-a-tech-32gb-2x16gb-ram-replacement-for-synology-d4ecso-2666](https://www.desertcart.co.th/products/566936663-a-tech-32gb-2x16gb-ram-replacement-for-synology-d4ecso-2666) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-26*