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

3401
Samples: 37

Memory Test Suite Average Results for Corsair CMK128GX5M2B6400C42 64GB

Database Operations	11,493 KOps/Sec
Memory Read Cached	42,199 MBytes/Sec
Memory Read Uncached	37,670 MBytes/Sec
Memory Write	22,509 MBytes/Sec
Latency	62 ns (lower is better)
Memory Threaded	77,182 MBytes/Sec

From submitted results to PerformanceTest V10 as of 7th of June 2026.

Latency
As of 8th of June 2026 - Lower numbers represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		48 ns
G Skill Intl F5-6000J3636F16G 16GB		49 ns
Kingston KF560C30-16 16GB		46 ns
G Skill Intl F5-6000J3038F16G 16GB		47 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
Patriot Memory (PDP Systems) 6000 Series 32GB		49 ns
Corsair CMK128GX5M2B6400C42 64GB		62 ns
PassMark Software © 2008-2026

Read Uncached Transfer Speed
As of 8th of June 2026 - Higher results represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		31.9 GB/s
G Skill Intl F5-6000J3636F16G 16GB		32.3 GB/s
Kingston KF560C30-16 16GB		34.1 GB/s
G Skill Intl F5-6000J3038F16G 16GB		36.5 GB/s
G Skill Intl F5-6000J3040G32G 32GB		36.7 GB/s
Kingston KF560C36-16 16GB		32.4 GB/s
Corsair CMH32GX5M2E6000C36 16GB		30.0 GB/s
Corsair CMH32GX5M2B6000Z30 16GB		35.6 GB/s
Patriot Memory (PDP Systems) 6000 Series 32GB		35.3 GB/s
Corsair CMK128GX5M2B6400C42 64GB		37.7 GB/s
PassMark Software © 2008-2026

Write Transfer Speed
As of 8th of June 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		23.4 GB/s
Kingston KF560C30-16 16GB		25.6 GB/s
G Skill Intl F5-6000J3038F16G 16GB		27.2 GB/s
G Skill Intl F5-6000J3040G32G 32GB		26.0 GB/s
Kingston KF560C36-16 16GB		24.0 GB/s
Corsair CMH32GX5M2E6000C36 16GB		21.7 GB/s
Corsair CMH32GX5M2B6000Z30 16GB		26.4 GB/s
Patriot Memory (PDP Systems) 6000 Series 32GB		25.3 GB/s
Corsair CMK128GX5M2B6400C42 64GB		22.5 GB/s
PassMark Software © 2008-2026

Threaded Memory
As of 8th of June 2026 - Higher results represent better performance
Memory Model	Average
Team Group Inc. UD5-6000 16GB		69.1 GB/s
G Skill Intl F5-6000J3636F16G 16GB		68.0 GB/s
Kingston KF560C30-16 16GB		69.7 GB/s
G Skill Intl F5-6000J3038F16G 16GB		69.6 GB/s
G Skill Intl F5-6000J3040G32G 32GB		77.0 GB/s
Kingston KF560C36-16 16GB		68.1 GB/s
Corsair CMH32GX5M2E6000C36 16GB		68.1 GB/s
Corsair CMH32GX5M2B6000Z30 16GB		69.7 GB/s
Patriot Memory (PDP Systems) 6000 Series 32GB		68.0 GB/s
Corsair CMK128GX5M2B6400C42 64GB		77.2 GB/s
PassMark Software © 2008-2026

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Last 5 Baselines for Corsair CMK128GX5M2B6400C42 64GB
Most recent listed first
Baseline	Benchmark Results
BL3503308 - Jun 02 2026		41 ns - Latency 21.4 GB/s - Read Uncached 16.3 GB/s - Write 96.5 GB/s - Threaded
BL3480307 - May 20 2026		56 ns - Latency 15.6 GB/s - Read Uncached 14.4 GB/s - Write 74.5 GB/s - Threaded
BL3476091 - May 18 2026		41 ns - Latency 20.5 GB/s - Read Uncached 15.4 GB/s - Write 74.8 GB/s - Threaded
BL3469174 - May 14 2026		64 ns - Latency 40.7 GB/s - Read Uncached 23.8 GB/s - Write 90.1 GB/s - Threaded
BL3447377 - May 02 2026		61 ns - Latency 39.7 GB/s - Read Uncached 23.6 GB/s - Write 61.0 GB/s - Threaded
PassMark Software © 2008-2026

RAM Benchmarks

Memory Benchmarks

Corsair CMK128GX5M2B6400C42 64GB

Memory Test Suite Average Results for Corsair CMK128GX5M2B6400C42 64GB