Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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10 Best ecc ram ddr4s of 2025
Save up to 13% off
Best Choice1
NEMIX RAMNEMIX RAM 128GB (4X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT Compatible with Dell PowerEdge R350 Rack Server
9.7Exceptional
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Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
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Value for Money2
OWCOWC 64GB (2x32GB) DDR4 3200MHz PC4-25600 CL22 2RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM
9.6Exceptional
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3
OWCOWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
9.4Excellent
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4
A-TechA-Tech 64GB Kit (2x32GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
9.3Excellent
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5
CrucialCrucial Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x CT32G4RFD4266), Dual Ranked Registered ECC Memory
9.1Excellent
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A-TechA-Tech Server 32GB Kit (2x16GB) DDR4 3200MHz PC4-25600 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
8.9Very Good
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7
HynixHynix HMA42GR7MFR4N-TF DDR4-2133 16GB/2Gx72 ECC/REG CL13 Hynix Chip Server Memory
13% Off8.8Very Good
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8
A-TechA-Tech 16GB RAM Replacement for Samsung M393A2G40DB0-CPB | DDR4 2133MHz PC4-17000 2Rx4 1.2V ECC RDIMM Registered 288-Pin DIMM Memory Module
8.7Very Good
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9
NEMIX RAMNEMIX RAM 64GB (2X32GB) DDR4 3200MHZ PC4-25600 2Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT
8.5Good
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10
NEMIX RAMNEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology D4ECSO-2666-16G
8.4Good
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