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Memory kit database

RAM speed, latency, capacity and value comparison

Compare DDR4, DDR5, and registered ECC memory by data rate, CAS and true latency, timings, kit capacity, calculated performance, Amazon price, and value.

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Calculated performance—not a benchmark suite. The score combines data rate and CAS latency within the RAM generation. Capacity appears separately and affects only the combined value score.

RAM performance, speed, latency, timings, capacity, Amazon price, and value
Select for comparisonRAM kit ConfigurationAmazon pricePerformance Performance / priceStatus Data rateCAS latencyFirst-word latency Primary timingsVoltage CapacityKit layoutPrice / GBCapacity valueProfile & ECC
v-colorDDR5 ECC Reg
V-Color DDR5 64GB (16GBx4) 4800MHz CL40 2Gx8 1Rx8 ECC R-DIMM (ECC Registered DIMM) 1.1V64 GB · (4x16GB) · 4800 MT/s CL40
 64 GB · DDR5 ECC Reg(4x16GB) · 4 modules $2130 Amazon · paid link
71.5
10.7
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 64 GB total16 GB per module(4x16GB)4 × 16 GB · DIMM$33.28Amazon kit price ÷ capacity
25.3
Not specifiedECC · DIMM
v-colorDDR5 ECC Reg
V-Color DDR5 128GB (32GBx4) 4800MHz CL40 4Gx4 1Rx4 ECC R-DIMM (ECC Registered DIMM) 1.1V128 GB · (4x32GB) · 4800 MT/s CL40
 128 GB · DDR5 ECC Reg(4x32GB) · 4 modules $4070 Amazon · paid link
71.5
5.6
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 128 GB total32 GB per module(4x32GB)4 × 32 GB · DIMM$31.80Amazon kit price ÷ capacity
26.5
Not specifiedECC · DIMM
SamsungDDR5 ECC Reg
Samsung 128GB DDR5 4800MHz PC5-38400 ECC RDIMM 4Rx4 2S2Rx4 (EC8 10x4) Quad Rank 1.1V128 GB · (1X128GB) · 4800 MT/s CL40
 128 GB · DDR5 ECC Reg(1X128GB) · 1 module $4786 Amazon · paid link
71.5
4.8
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 128 GB total128 GB per module(1X128GB)1 × 128 GB · DIMM$37.39Amazon kit price ÷ capacity
22.5
Not specifiedECC · DIMM
NEMIX RAMDDR5 ECC Reg
NEMIX RAM 64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM64 GB · (2X32GB) · 4800 MT/s CL40
 64 GB · DDR5 ECC Reg(2X32GB) · 2 modules $2714 Amazon · paid link
71.5
8.4
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 64 GB total32 GB per module(2X32GB)2 × 32 GB · DIMM$42.41Amazon kit price ÷ capacity
19.9
Not specifiedECC · DIMM
NEMIX RAMDDR5 ECC Reg
NEMIX RAM 64GB (2X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM64 GB · (2X32GB) · 4800 MT/s CL40
 64 GB · DDR5 ECC Reg(2X32GB) · 2 modules $2714 Amazon · paid link
71.5
8.4
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 64 GB total32 GB per module(2X32GB)2 × 32 GB · DIMM$42.41Amazon kit price ÷ capacity
19.9
Not specifiedECC · DIMM
NEMIX RAMDDR5 ECC Reg
NEMIX RAM 192GB (6X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM192 GB · (6X32GB) · 4800 MT/s CL40
 192 GB · DDR5 ECC Reg(6X32GB) · 6 modules $8109 Amazon · paid link
71.5
2.8
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 192 GB total32 GB per module(6X32GB)6 × 32 GB · DIMM$42.23Amazon kit price ÷ capacity
20.0
Not specifiedECC · DIMM
NEMIX RAMDDR5 ECC Reg
NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM128 GB · (4x32GB) · 4800 MT/s CL40
 128 GB · DDR5 ECC Reg(4x32GB) · 4 modules $5423 Amazon · paid link
71.5
4.2
AvailableOct 10 4800 MT/sDDR5 ECC RegCL40Lower is better at equal speed16.67 nsCL × 2000 ÷ MT/s401.10 V 128 GB total32 GB per module(4x32GB)4 × 32 GB · DIMM$42.37Amazon kit price ÷ capacity
19.9
Not specifiedECC · DIMM
SamsungDDR4
Samsung 16GB (2x8GB) DDR4 2666MHz16 GB · 16GB (2x8GB) · 2666 MT/s CL19
 16 GB · DDR416GB (2x8GB) · 2 modules $140 Amazon · paid link
71.2
162.8
AvailableOct 10 2666 MT/sDDR4CL19Lower is better at equal speed14.25 nsCL × 2000 ÷ MT/s191.20 V 16 GB total8 GB per module16GB (2x8GB)2 × 8 GB · DIMM$8.75Amazon kit price ÷ capacity
96.0
Not specifiedDIMM
NEMIX RAMDDR4
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ32 GB · 32GB (2x16GB) · 2666 MT/s CL19
 32 GB · DDR432GB (2x16GB) · 2 modules $240 Amazon · paid link
71.2
95.0
AvailableOct 10 2666 MT/sDDR4CL19Lower is better at equal speed14.25 nsCL × 2000 ÷ MT/s191.20 V 32 GB total16 GB per module32GB (2x16GB)2 × 16 GB · DIMM$7.50Amazon kit price ÷ capacity
112.1
Not specifiedDIMM
CrucialDDR5
Crucial Pro RAM 32GB Kit (2x16GB) DDR5 5600MHz32 GB · (2x16GB) · 5200 MT/s CL46
 32 GB · DDR5(2x16GB) · 2 modules $459 Amazon · paid link
69.3
48.3
AvailableOct 10 5200 MT/sDDR5CL46Lower is better at equal speed17.69 nsCL × 2000 ÷ MT/s46-45-451.10 V 32 GB total16 GB per module(2x16GB)2 × 16 GB · DIMM$14.34Amazon kit price ÷ capacity
57.0
Not specifiedDIMM
PNYDDR5
PNY Performance 16GB (2x8GB) DDR5 RAM 5600MHz (PC5-44800) – CL4616 GB · (2x8GB) · 5200 MT/s CL46
 16 GB · DDR5(2x8GB) · 2 modules $250 Amazon · paid link
69.3
88.7
AvailableOct 10 5200 MT/sDDR5CL46Lower is better at equal speed17.69 nsCL × 2000 ÷ MT/s461.10 V 16 GB total8 GB per module(2x8GB)2 × 8 GB · DIMM$15.62Amazon kit price ÷ capacity
52.3
Not specifiedDIMM

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