Top 10 DDR4 ECC 2666 16GB – Computer Memory

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32GB 2X16GB DDR4-2666 PC4-21300 ECC SODIMM Compatible with Synology D4ECSO-2666-16G Memory Upgrade Module by NEMIX RAM

NEMIX RAM #ad - Improve system responsiveness, and increase your system's ability to handle larger workloads, access data faster by upgrading your internal memory. Capacity 32gb, compatible with synology part d4ecso-2666-16g, 2x16 gigabyte speed ddr4-2666 mhz, pc4-21300, rank 2rx8, ECC SODIMM, .

Install easily, with just a screwdriver, the owner’s manual, no computer skills required, and a few minutes, you can install memory – no computer skills necessary. Made from the highest quality components, NEMIX RAM products are not only reliable and durable but are specifically engineered for performance. Compatible with the following synology machines: ds3617xsii; ds1621+; ds1821+; DS2419+II.

A memory upgrade is one of the most affordable and simple ways to increase system performance. The amount of memory in your system plays a critical role in the speed of your machine. Here at nemix we pride ourselves on all our products and provide a Lifetime Replacement Warranty for all orders along with customer service support before, during, & after your purchase.
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
WarrantyLifetime Warranty

2. Crucial


CT2K16G4DFD8266, Crucial 32GB Kit 16GBx2 DDR4 2666 MT/s PC4-21300 DR X8 DIMM 288-Pin Memory

Crucial #ad - Faster bursts access speeds for improved sequential data throughout. Reduce power consumption by up to 40%. Optimized for next Generation processors and platforms. Speeds up to 3200 mt/s and faster data rates are expected to be available as DDR4 technology matures. Increase bandwidth by up to 32%.
BrandCrucial #ad
Height1.23 Inches
Length5.27 Inches
Weight0.07 Pounds
Width0.03 Inches
Part NumberCT2K16G4DFD8266
WarrantyLimited lifetime warranty

3. Synology


Synology RAM DDR4-2666 ECC SO-DIMM 16GB D4ECSO-2666-16G

Synology #ad - Compatibility - applied models: 21 series: rs1221rp+, ds1621+, ds1621xs+, rs1221+, ds1821+, regardless of whether the expansion memory is ecc or non-ECC; 19 series: DS2419+, ds1819+; 18 series: ds3018xs, dva3221; 20 series: rs820rp+ does not support the ecc feature, DS1618+; 17 series: DS3617xs. Synology ram ddr4-2666 ecc so-dimM 16GB.
BrandSynology #ad
ManufacturerSynology #ad
Height0.3 Inches
Length1.8 Inches
Weight0.06 Pounds
Width3.75 Inches
Part NumberD4ECSO-2666-16G
Warranty5 Years



32GB Kit 2x16GB DDR4-2666MHz PC4-21300 ECC UDIMM 2Rx8 1.2V Unbuffered Server Memory by NEMIX RAM

NEMIX RAM #ad - Memory for Server. 32gb 2x16gb ddr4 2666mhz ecc udimm kit. Ddr4-2666mhz pc4-21300 Usa customer support and Backed by a Lifetime Replacement Warranty. Nemix ram is manfufactured using Major Brand Chips.
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
Height1 Inches
Length6 Inches
Width1 Inches
Part NumberME21300-628K02-G

5. Timetec


Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade D4ECSO-2666-16G_TT

Timetec #ad - Compatible with 18 series: DS3018xs, DS1618+;. Compatible with 19 series: ds2419+, ds1819+, dS2419+II, DVA3219;. Compatible with 20 series: RS820RP+, RS820+;.

Compatible with 17 series: DS3617xs, DS3617xsII;. Note: do not mix ecc and non-ecc sodimm ram together; guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States. Replacement for synology d4ecso-2666-16g ddr4 ecc unbuffered sodimm ram ddr4 2666mhz pc4-21300 260 pin Unbuffered ECC 1. 2v cl19 dual rank 2rx8 based 1024x8. Compatible with 21 series: rs1221rp+, ds1621+, ds1821+, rs1221+, ds1621xs+, DVA3221. Compatible with FS series: FS1018.
BrandTimetec #ad
ManufacturerTimetec #ad
Part Number7



32GB Kit 2x16GB DDR4-2666 PC4-21300 ECC SODIMM 2Rx8 Memory Upgrade by NEMIX RAM

NEMIX RAM #ad - Lifetime Replacement Warranty. Voltage: 1. 2v / rank: 2Rx8. 32gb kit 2 x 16GB. 260-pin ddr4 ecc sodimM. Ddr4 2666 pc4 21300 .
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
Height1 Inches
Length8 Inches
Width3 Inches
Part NumberMSE21300-628K02-G



V-Color 32GB 2 x 16GB ECC SO-DIMM DDR4 2666MHz PC4-21300 for NAS Micro Server/Workstation/Compatible with Synology 21 Series 2Rx8 CL19 1.2V TES416G26D819K-VKC

V-COLOR COLOR YOUR LIFE #ad - Product spec: 32gb 2 x 16gb | ddr4 2666mhz pc4-21300 | cl19 | ecc so-dIMM | 1. 2v. 100% in house tested undergo rigorous quality control. Support synology NAS 21 Series. Strictly audited dram chips with top quality 10-layers of PCBs. Especially designed for micro-servers, workstations, networking platforms and embedded systems. Limited Lifetime warranty.
Manufacturerv-color #ad
Height0.04 Inches
Length2.76 Inches
Weight0.04 Pounds
Width1.18 Inches



Samsung M393A2K43BB1-CTD 16GB DDR4 2666MHz ECC Memory Module

SAMSUNG #ad - Capacity: 16GB. Server Memory. Model: m393a2k43bb1-ctD7Q. Technology: pc4-2666v rdimm ddr4 ecc pC4-21300 Manufacturer: SAMSUNG.
BrandSAMSUNG #ad
ManufacturerSamsung #ad
Part NumberM393A2K43BB1-CTD7Q

9. Arch Memory


Arch Memory AM-D4ECSO-2666-16G 16GB 260-Pin DDR4 2666 MHz ECC So-dimm RAM for Synology NAS Systems

Arch Memory #ad - Access crucial data faster by upgrading your internal memory. Rugged tier one ic chipsets; built for performance and security. Compatible with synology D4ECSO-2666-16G. 1. 2 volts; dual Rank 2Rx8. 16gb 260 pin ddr4-2666 pc4-21300 ecc sodimm 2666MHz.
BrandArch Memory #ad
ManufacturerArch Memory #ad
Height1.19 Inches
Length2.25 Inches
Weight0.13 Pounds
Width0.06 Inches
Part NumberSY16GB2666SOEC-TZ001
WarrantyLimited Lifetime Replacement

10. Timetec


Timetec 16GB DDR4 2666MHz DDR4-2666 PC4-21300 PC4-2666V Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 260 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade 16GB

Timetec #ad - Module size:16gb package: 1x16GB For Laptop, Not For Desktop. Ddr4 2666mhz pc4-21300 260 pin unbuffered non-ecc 1. 2v cl19 dual rank 2Rx8 based 1024x8. Guaranteed lifetime warranty from Purchase Date and Free technical support based on United States. Power supply: vdd=1. 2v 1. 14v to 1. 26v vddq = 1. 2v 1. 14v to 1. 26v. For selected ddr4 laptop / notebook PC, Mini PC, All in one Device.
BrandTimetec #ad
ManufacturerTimetec #ad
Part Number76