Corsair CMK128GX5M2B6400C42 64GB

Price and performance details for the Corsair CMK128GX5M2B6400C42 64GB can be found below. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The graphs shows the relative performance of the ram module compared up to 9 other common ram modules of same type. For DDR3 and DDR4, the values will be from systems using newer Intel CPUs where available.
If pricing history data is available for the ram module, a chart with be created charting price changes.
The last graph shows up to the last 5 baselines we have received for this particular ram module. Both Intel and AMD results are shown.

Corsair CMK128GX5M2B6400C42 64GB

Description: PC5-38400, 1.1V, CAS Supported: 22 28 30 32 36 40 42

Other names: Corsair CMK128GX5M2B6400C42

Memory First Benchmarked: 2025-07-09

Last Price Change: NA

Average Mark

3399
Samples: 35

Memory Test Suite Average Results for Corsair CMK128GX5M2B6400C42 64GB

Database Operations	11,485 KOps/Sec
Memory Read Cached	42,164 MBytes/Sec
Memory Read Uncached	37,527 MBytes/Sec
Memory Write	22,441 MBytes/Sec
Latency	62 ns (lower is better)
Memory Threaded	77,275 MBytes/Sec

From submitted results to PerformanceTest V10 as of 10th of March 2026.

Latency
As of 10th of March 2026 - Lower numbers represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		48 ns
G Skill Intl F5-6000J3636F16G 16GB		48 ns
G Skill Intl F5-6000J3038F16G 16GB		47 ns
Kingston KF560C30-16 16GB		46 ns
G Skill Intl F5-6000J3040G32G 32GB		50 ns
Kingston KF560C36-16 16GB		48 ns
Corsair CMH32GX5M2E6000C36 16GB		50 ns
Corsair CMH32GX5M2B6000Z30 16GB		48 ns
G Skill Intl F5-6400J3239G16G 16GB		45 ns
Corsair CMK128GX5M2B6400C42 64GB		62 ns
PassMark Software © 2008-2026

Read Uncached Transfer Speed
As of 10th of March 2026 - Higher results represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		31.8 GB/s
G Skill Intl F5-6000J3636F16G 16GB		32.2 GB/s
G Skill Intl F5-6000J3038F16G 16GB		36.5 GB/s
Kingston KF560C30-16 16GB		33.8 GB/s
G Skill Intl F5-6000J3040G32G 32GB		36.7 GB/s
Kingston KF560C36-16 16GB		32.4 GB/s
Corsair CMH32GX5M2E6000C36 16GB		29.8 GB/s
Corsair CMH32GX5M2B6000Z30 16GB		35.5 GB/s
G Skill Intl F5-6400J3239G16G 16GB		28.7 GB/s
Corsair CMK128GX5M2B6400C42 64GB		37.5 GB/s
PassMark Software © 2008-2026

Write Transfer Speed
As of 10th of March 2026 - Higher results represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		23.5 GB/s
G Skill Intl F5-6000J3636F16G 16GB		23.3 GB/s
G Skill Intl F5-6000J3038F16G 16GB		27.2 GB/s
Kingston KF560C30-16 16GB		25.3 GB/s
G Skill Intl F5-6000J3040G32G 32GB		26.0 GB/s
Kingston KF560C36-16 16GB		24.0 GB/s
Corsair CMH32GX5M2E6000C36 16GB		21.6 GB/s
Corsair CMH32GX5M2B6000Z30 16GB		26.4 GB/s
G Skill Intl F5-6400J3239G16G 16GB		22.1 GB/s
Corsair CMK128GX5M2B6400C42 64GB		22.4 GB/s
PassMark Software © 2008-2026

Threaded Memory
As of 10th of March 2026 - Higher results represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		68.9 GB/s
G Skill Intl F5-6000J3636F16G 16GB		67.6 GB/s
G Skill Intl F5-6000J3038F16G 16GB		69.3 GB/s
Kingston KF560C30-16 16GB		69.0 GB/s
G Skill Intl F5-6000J3040G32G 32GB		76.7 GB/s
Kingston KF560C36-16 16GB		67.7 GB/s
Corsair CMH32GX5M2E6000C36 16GB		67.7 GB/s
Corsair CMH32GX5M2B6000Z30 16GB		69.4 GB/s
G Skill Intl F5-6400J3239G16G 16GB		77.1 GB/s
Corsair CMK128GX5M2B6400C42 64GB		77.3 GB/s
PassMark Software © 2008-2026

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Last 5 Baselines for Corsair CMK128GX5M2B6400C42 64GB
Most recent listed first
Baseline	Benchmark Results
BL3321236 - Mar 02 2026		41 ns - Latency 20.6 GB/s - Read Uncached 16.2 GB/s - Write 47.7 GB/s - Threaded
BL3318248 - Feb 28 2026		39 ns - Latency 17.7 GB/s - Read Uncached 15.0 GB/s - Write 48.3 GB/s - Threaded
BL3300239 - Feb 20 2026		58 ns - Latency 37.5 GB/s - Read Uncached 24.1 GB/s - Write 57.8 GB/s - Threaded
BL3272749 - Feb 08 2026		67 ns - Latency 39.0 GB/s - Read Uncached 20.9 GB/s - Write 74.0 GB/s - Threaded
BL3270316 - Feb 07 2026		41 ns - Latency 16.0 GB/s - Read Uncached 15.5 GB/s - Write 98.4 GB/s - Threaded
PassMark Software © 2008-2026

RAM Benchmarks

Memory Benchmarks

Corsair CMK128GX5M2B6400C42 64GB

Memory Test Suite Average Results for Corsair CMK128GX5M2B6400C42 64GB