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32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G,D4ES01-16G,D4ES03-16G
NEMIX RAM

32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G,D4ES01-16G,D4ES03-16G

Bottom line: The 32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC is a specs-and-price decision rather than a crowd-consensus one in the memory (ram) category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Backed by NEMIX RAM's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored 32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. NEMIX RAM's memory (ram) lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • EXACT-MATCH UPGRADE — 32GB (2X16GB) kit DDR4-2666 (PC4-21300), 2Rx8, 1.2V, CL19, 260-pin SODIMM. The memory your NAS needs, matched to your unit so it's recognized in full and runs reliably.
  • VERIFIED FITMENT — Direct replacement for D4ECSO-2666-16G. The 260-pin SODIMM form factor for NAS units and compact systems that take laptop-style memory — not a desktop DIMM. Check your unit's supported memory and capacity before ordering.
  • REAL-WORLD SPEEDUP — More memory means smoother multitasking and more headroom for apps, containers, and concurrent connections — steadier performance when your NAS is under load.
  • CHECK YOUR CONFIG — NAS memory support varies by model. Check your unit's compatibility list and supported capacity in the manual or maker's spec page before purchase.
  • LIFETIME SUPPORT — Backed by a lifetime replacement warranty and free US-based technical support.

Full Specifications

BrandNEMIX RAM
Weight16g
Voltage1.2 volts
RAM Size32 GB
Form FactorECC SODIMM
Memory Speed2666 MHz
Number of Items2
Compatible DevicesD4ECSO-2666-16G,D4ES01-16G,D4ES03-16G, FlashStation, RackStation, NVR DVA Devices, Synology OEM Factory Direct Pre-Installed Memory
Additional FeaturesCompatible with Synology NAS Storage Units
Computer Memory Size32 GB
Warranty DescriptionLifetime Replacement Warranty
RAM Memory TechnologyDDR4 ECC SODIMM
Column Address Strobe Latency19 Nanowatts

Ready to buy?

32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G,D4ES01-16G,D4ES03-16G is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G,D4ES01-16G,D4ES03-16G
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