Memory kit database
Compare DDR4, DDR5, and registered ECC memory by data rate, CAS and true latency, timings, kit capacity, calculated performance, Amazon price, and value.
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.
| Select for comparison | RAM kit | Configuration | Amazon price | Performance | Performance / price | Status | Data rate | CAS latency | First-word latency | Primary timings | Voltage | Capacity | Kit layout | Price / GB | Capacity value | Profile & 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 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 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 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 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 | $3795 Amazon · paid link | 71.5 | 6.0 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 128 GB total128 GB per module | (1X128GB)1 × 128 GB · DIMM | $29.65Amazon kit price ÷ capacity | 28.4 | 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 | $2299 Amazon · paid link | 71.5 | 9.9 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 64 GB total32 GB per module | (2X32GB)2 × 32 GB · DIMM | $35.92Amazon kit price ÷ capacity | 23.5 | 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 | $2299 Amazon · paid link | 71.5 | 9.9 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 64 GB total32 GB per module | (2X32GB)2 × 32 GB · DIMM | $35.92Amazon kit price ÷ capacity | 23.5 | Not specifiedECC · DIMM | |
NEMIX RAMDDR5 ECC Reg NEMIX RAM 32GB (1X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM32 GB · (1X32GB) · 4800 MT/s CL40 |
32 GB · DDR5 ECC Reg(1X32GB) · 1 module | $1150 Amazon · paid link | 71.5 | 19.9 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 32 GB total32 GB per module | (1X32GB)1 × 32 GB · DIMM | $35.94Amazon kit price ÷ capacity | 23.5 | 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 | $6890 Amazon · paid link | 71.5 | 3.3 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 192 GB total32 GB per module | (6X32GB)6 × 32 GB · DIMM | $35.89Amazon kit price ÷ capacity | 23.5 | 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 | $4597 Amazon · paid link | 71.5 | 5.0 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 128 GB total32 GB per module | (4x32GB)4 × 32 GB · DIMM | $35.91Amazon kit price ÷ capacity | 23.5 | Not specifiedECC · DIMM | |
NEMIX RAMDDR5 ECC Reg NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM64 GB · (4x32GB) · 4800 MT/s CL40 |
64 GB · DDR5 ECC Reg(4x32GB) · 4 modules | $4597 Amazon · paid link | 71.5 | 5.0 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 64 GB total16 GB per module | (4x32GB)4 × 16 GB · DIMM | $71.83Amazon kit price ÷ capacity | 11.7 | Not specifiedECC · DIMM | |
NEMIX RAMDDR5 ECC Reg NEMIX RAM 128GB (2X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM128 GB · (2X64GB) · 4800 MT/s CL40 |
128 GB · DDR5 ECC Reg(2X64GB) · 2 modules | $4319 Amazon · paid link | 71.5 | 5.3 | AvailableAug 21 | 4800 MT/sDDR5 ECC Reg | CL40Lower is better at equal speed | 16.67 nsCL × 2000 ÷ MT/s | 40 | 1.10 V | 128 GB total64 GB per module | (2X64GB)2 × 64 GB · DIMM | $33.74Amazon kit price ÷ capacity | 25.0 | Not specifiedECC · DIMM | |
SamsungDDR4 Samsung 16GB (2x8GB) DDR4 2666MHz16 GB · 16GB (2x8GB) · 2666 MT/s CL19 |
16 GB · DDR416GB (2x8GB) · 2 modules | $137 Amazon · paid link | 71.2 | 166.9 | AvailableAug 21 | 2666 MT/sDDR4 | CL19Lower is better at equal speed | 14.25 nsCL × 2000 ÷ MT/s | 19 | 1.20 V | 16 GB total8 GB per module | 16GB (2x8GB)2 × 8 GB · DIMM | $8.53Amazon kit price ÷ capacity | 98.5 | Not specifiedDIMM | |
PatriotDDR4 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 | AvailableAug 21 | 2666 MT/sDDR4 | CL19Lower is better at equal speed | 14.25 nsCL × 2000 ÷ MT/s | 19 | 1.20 V | 32 GB total16 GB per module | 32GB (2x16GB)2 × 16 GB · DIMM | $7.50Amazon kit price ÷ capacity | 112.1 | 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 | $215 Amazon · paid link | 69.3 | 103.1 | AvailableAug 21 | 5200 MT/sDDR5 | CL46Lower is better at equal speed | 17.69 nsCL × 2000 ÷ MT/s | 46 | 1.10 V | 16 GB total8 GB per module | (2x8GB)2 × 8 GB · DIMM | $13.44Amazon kit price ÷ capacity | 60.8 | Not specifiedDIMM |
Optional starting points
Useful shortcuts if you are not starting with a specific kit. Only Amazon-available memory is listed, using the same complete database shown above.
DDR5 performance per dollar
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