Top 8 ECC DDR4 SODIMM – Computer Memory

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

2. 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 - 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 18 series: DS3018xs, DS1618+;. Compatible with 21 series: rs1221rp+, ds1821+, ds1621xs+, DS1621+, rs1221+, DVA3221. 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. Compatible with 17 series: DS3617xs, DS3617xsII;. Compatible with FS series: FS1018. Compatible with 20 series: RS820RP+, RS820+;. Compatible with 19 series: ds2419+, ds1819+, ds2419+ii, DVA3219;.
BrandTimetec #ad
ManufacturerTimetec #ad
Part Number7



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

NEMIX RAM #ad - Install easily, with just a screwdriver, and a few minutes, the owner’s manual, no computer skills required, you can install memory – no computer skills necessary. Compatible with the following synology machines: ds3617xsii; ds1621+; ds1821+; DS2419+II.

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. Made from the highest quality components, NEMIX RAM products are not only reliable and durable but are specifically engineered for performance. A memory upgrade is one of the most affordable and simple ways to increase system performance.

Improve system responsiveness, and increase your system's ability to handle larger workloads, access data faster by upgrading your internal memory. The amount of memory in your system plays a critical role in the speed of your machine. Capacity 32gb, rank 2rx8, pc4-21300, ecc sodimm, 2x16 gigabyte speed ddr4-2666 mhz, compatible with synology Part D4ECSO-2666-16G, .
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
WarrantyLifetime Warranty

4. Timetec


Timetec Hynix IC 64GB KIT2x32GB DDR4 3200MHz PC4-25600 Unbuffered ECC UDIMM 1.2V CL22 2Rx8 Dual Rank 260 Pin SODIMM Memory RAM Module Upgrade 64GB KIT2x32GB

Timetec #ad - Compatible with precision: precision 3551 / precision 7560 / precision 5560 / precision 7550 / Precision 5760 / precision 5550 / Precision 7760 / precision 3561 / precision 7750 / Precision Workstation 3240. Free technical support Based in the USA. Guaranteed – Lifetime warranty from Purchase Date. Module size: 32gb package: 2x32GB. Ddr4 3200mhz pc4-25600 260 pin unbuffered ecc 1. 2v cl22 dual rank 2rx8 based 2048x8 SODIMM.
BrandTimetec #ad
ManufacturerTimetec #ad
Part Number7



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

NEMIX RAM #ad - Ddr4 2666 pc4 2130032gb kit 2 x 16GB. 260-pin ddr4 ecc sodimM. Voltage: 1. 2v / rank: 2Rx8. Lifetime Replacement Warranty.
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
Height1 Inches
Length8 Inches
Width3 Inches
Part NumberMSE21300-628K02-G

6. Arch Memory


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

Arch Memory #ad - Compatible with synology D4ECSO-2666-16G. Dual rank 2rx8; 1. 2 volt. Access data faster by upgrading your internal memory. Rugged tier one ic chipsets; built for performance and security. Lifetime replacement warranty included. 16gb 260pin 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

7. Synology



Synology #ad - Item package weight: 008 pounds. System ram type: ddr4_sdram. Synology ram ddr4 ecc so-dimm 4gb d4es01-4g.
BrandSynology #ad
ManufacturerSynology #ad
Height0.2 Inches
Length5 Inches
Weight0.05 Pounds
Width3.5 Inches
Part NumberD4ES01-4G
Warranty5 years

8. Kingston


Kingston Server Premier 32GB 2666MHz DDR4 ECC CL19 SODIMM 2Rx8 Server Memory

Kingston #ad - Please always check the compatibility with manufacturer before purchasing this DRAM module. Server memory module 32gb 2666mhz ddr4 ecc cl19 SODIMM 2Rx8 Micron E. Server premier memory modules are designed to target the specific requirements of Data Centre & Cloud customers, System Integrators and SMB customers. Locked bill of materials, multiple locked options to choose from, to ensure compatibility with a wide range of systems and continuity of supply. High level of reliability and dependability. Intel, amd & server manufacturer certified.
BrandKingston #ad
ManufacturerKingston #ad
Height0.1 Inches
Length13 Inches
Weight0.02 Pounds
Width4.5 Inches
Part NumberKSM26SED8/32ME