Top 8 DDR4 2666 ECC UDIMM – Computer Memory

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1. Timetec


Timetec Hynix IC 32GB KIT 2x16GB DDR4 2666MHz PC4-21300 Unbuffered ECC 1.2V CL19 2Rx8 Dual Rank 288 Pin UDIMM Server Memory RAM Module Upgrade 32GB KIT 2x16GB

Timetec #ad - Designed for Selected Server Systems. Module size: 16gb package: 2x16gb a must For Server, Not For Desktop/Laptop. Power supply: vdd=1. 2v 1. 14v to 1. 26v vddq = 1. 2v 1. 14v to 1. 26v. Ddr4 2666mhz pc4-21300 288 pin unbuffered ecc 1. 2v cl19 dual rank 2Rx8 based 1024x8. Guaranteed – lifetime warranty from Purchase Date Free technical support.
BrandTimetec #ad
ManufacturerTimetec #ad
Weight0.12 Pounds
Part Number71TT26EU2R8-16GK2

2. A-Tech Components


A-Tech 32GB 2x16GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC CL19 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Kit

A-Tech Components #ad - High performance memory ram upgrade designed for DDR4 DIMM compatible Desktop PC / Computers. A-tech provides a lifetime warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase.

32gb kit 2x 16gb modules | ddr4 2666 / 2667 mhz pc4-21300 | ddr4 dimm 288-pin | non-ecc udimm unbuffered dIMM | 1. 2v - ddr4 standard Voltage. Boosts the performance of your system by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle greater workloads. All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory RAM specifications of your system prior to purchase to ensure compatibility.
BrandA-Tech Components #ad
ManufacturerA-Tech Components #ad
Part NumberAT16G2D4D2666NN12V



Memory Modules 8GB, DDR4, 2666MHz, Multi-Colour, 1x 8GB, 288-pin DIMM, Samsung M393A1K43BB1-CTD 8GB DDR4 2666MHz ECC Memory Module

SAMSUNG #ad - Memory clock speed: 2666 MHz. Internal memory type: DDR4. Cas latency: 19. Memory form factor: 288-pin DIMM. Product colour: Multicolor. Ecc. Internal memory: 8 GB. Memory layout modules x size: 1 x 8 GB. Samsung m393a1k43bb1-ctd component for: PC/server.
BrandSAMSUNG #ad
ManufacturerSamsung #ad
Part NumberM393A1K43BB1-CTD

4. Synology


Synology RAM DDR4-2666 ECC UDIMM 16GB D4EC-2666-16G

Synology #ad - Country of Origin : Taiwan. Un-buffered DIMM. Package dimensions: 18. 6 h x 1. 2 l x 9. 2 w centimeters. Package weight: 008 kilograms.
BrandSynology #ad
ManufacturerSynology #ad
Weight0.15 Pounds
Part NumberD4EC-2666-16G
Warranty5 year

5. Crucial


ECC CT16G4WFD8266, 2666 MHz / PC4-21300, CL19-1.2 V, Crucial Server Memory 16GB DDR4 DIMM 288-pin, unbuffered

Crucial #ad - Accelerate demanding applications. Built with new technology tailored for the latest intel platforms, crucial ddr4 ecc udiMMs allow you to increase system performance with memory speeds up to 2666 MT/s and densities up to 16GB. Ecc parity helps detect and correct single-bit Memory errors, which can cause sudden shutdowns, or data loss.

Crucial ecc udimms contain error correction code ecc. The reliance program offers qualified customers up to four additional benefits that affirm our commitment to your servers through service call reimbursements, 24/7 Technical Support through our direct Hotline, and special bulk shipping options. Crucial ecc udimms enable you to maximize the performance capability of your CPUs for a faster, more responsive system. Measuring just 18. 75mm tall, crucial vlp ecc udimms are 40% shorter than standard ECC UDIMMs and facilitate better airflow in space-constrained, systems such as micro servers, routers, and switches.

Crucial ecc udimms are available in ddr to ddr4 memory technology, and select modules are also available in the very low profile vlp form factor. Cut load times. When you make an enterprise-level investment in crucial products, on-site spares, we believe you deserve a higher level of support. Increasing the installed memory capacity of each server with modules equipped with 8gb-based components enables your systems to reach Their full performance potential.
BrandCrucial #ad
ManufacturerCrucial #ad
Height0.39 Inches
Length0.79 Inches
Weight0.02 Pounds
Width5.91 Inches
Part NumberCT16G4WFD8266-2G6D1
WarrantyLimited Warranty



64GB 4X16GB DDR4-2666 PC4-21300 ECC UDIMM Compatible with Synology D4EC-2666-16G Memory Upgrade Module by NEMIX RAM

NEMIX RAM #ad - The amount of memory in your system plays a critical role in the speed of your machine. Install easily, no computer skills required, the owner’s manual, with just a screwdriver, and a few minutes, you can install memory – no computer skills necessary.

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. Compatible with the following synology machines: sa3200d; rackstation rs4021xs+; rackstation rs3621xs+; rackstation rS3621RPxs; RackStation RS3618xs; RackStation RS1619xs+; UC3200 . 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.

Capacity 64gb, kit of 4, pc4-21300, rank 2rx8, compatible with synology part d4ec-2666-16g, 4x16 gigabytes, Speed DDR4-2666 Mhz, server RAM, Unbuffered ECC UDIMM, Not for Laptops or Desktops. Made from the highest quality components, NEMIX RAM products are not only reliable and durable but are specifically engineered for performance.
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
WarrantyLifetime Warranty



NEMIX RAM 16GB Replacement for Samsung M391A2K43BB1-CTD DDR4-2666 ECC UDIMM 2Rx8

NEMIX RAM #ad - Lifetime Replacement Warranty. 16gb ddr4-2666 pc4-21300288-pin ddr4 sdram ecC. Memory for Desktop PC. Cas latency: 19 voltage: 1. 2v rank: 2Rx8.
BrandNEMIX RAM #ad
ManufacturerNEMIX RAM #ad
Part NumberME21300-628K1

8. Synology


Synology RAM DDR4-2666 ECC UDIMM 8GB D4EC-2666-8G

Synology #ad - Package length : 1. 4 cm. Package width : 9. 2 cm. Product type : computer input device ACCESSORY. Package height : 18. 6 cm.
BrandSynology #ad
ManufacturerSynology #ad
Height0.3 Inches
Length1.8 Inches
Weight0.1 Pounds
Width3.75 Inches
Part NumberD4EC-2666-8G
Warranty5 Years