Corsair CMK64GX4M2A2666C16 32GB

Price and performance details for the Corsair CMK64GX4M2A2666C16 32GB 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 CMK64GX4M2A2666C16 32GB

Description: PC4-17000, 1.2V, CAS Supported: 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Other names: Corsair CMK64GX4M2A2666C16

Memory First Benchmarked: 2020-04-24

Last Price Change: $239 USD (2024-09-03)

Average Mark

3073
Samples: 61

Memory Test Suite Average Results for Corsair CMK64GX4M2A2666C16 32GB

Database Operations	5,951 KOps/Sec
Memory Read Cached	32,817 MBytes/Sec
Memory Read Uncached	17,266 MBytes/Sec
Memory Write	12,689 MBytes/Sec
Latency	44 ns (lower is better)
Memory Threaded	31,989 MBytes/Sec

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

Latency
As of 10th of June 2026 - Lower numbers represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		41 ns
Team Group Inc. TEAMGROUP-UD4-3200 8GB		43 ns
Corsair CMK32GX4M2E3200C16 16GB		45 ns
Kingston KF3200C16D4/8GX 8GB		44 ns
Kingston KF3200C16D4/16GX 16GB		44 ns
G Skill Intl F4-3200C16-16GVK 16GB		42 ns
G Skill Intl F4-3200C16-8GVKB 8GB		42 ns
Corsair CMW16GX4M2C3200C16 8GB		41 ns
Team Group Inc. TEAMGROUP-UD4-3600 8GB		44 ns
Corsair CMK64GX4M2A2666C16 32GB		44 ns
PassMark Software © 2008-2026

Read Uncached Transfer Speed
As of 10th of June 2026 - Higher results represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		18.8 GB/s
Team Group Inc. TEAMGROUP-UD4-3200 8GB		20.0 GB/s
Corsair CMK32GX4M2E3200C16 16GB		20.2 GB/s
Kingston KF3200C16D4/8GX 8GB		20.8 GB/s
Kingston KF3200C16D4/16GX 16GB		21.3 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		19.8 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		19.1 GB/s
Corsair CMW16GX4M2C3200C16 8GB		19.1 GB/s
Team Group Inc. TEAMGROUP-UD4-3600 8GB		21.8 GB/s
Corsair CMK64GX4M2A2666C16 32GB		17.3 GB/s
PassMark Software © 2008-2026

Write Transfer Speed
As of 10th of June 2026 - Higher results represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		12.7 GB/s
Team Group Inc. TEAMGROUP-UD4-3200 8GB		13.4 GB/s
Corsair CMK32GX4M2E3200C16 16GB		13.6 GB/s
Kingston KF3200C16D4/8GX 8GB		13.6 GB/s
Kingston KF3200C16D4/16GX 16GB		14.5 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		14.0 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		12.6 GB/s
Corsair CMW16GX4M2C3200C16 8GB		13.1 GB/s
Team Group Inc. TEAMGROUP-UD4-3600 8GB		14.8 GB/s
Corsair CMK64GX4M2A2666C16 32GB		12.7 GB/s
PassMark Software © 2008-2026

Threaded Memory
As of 10th of June 2026 - Higher results represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		37.3 GB/s
Team Group Inc. TEAMGROUP-UD4-3200 8GB		39.5 GB/s
Corsair CMK32GX4M2E3200C16 16GB		37.6 GB/s
Kingston KF3200C16D4/8GX 8GB		39.9 GB/s
Kingston KF3200C16D4/16GX 16GB		40.2 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		38.5 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		37.7 GB/s
Corsair CMW16GX4M2C3200C16 8GB		37.5 GB/s
Team Group Inc. TEAMGROUP-UD4-3600 8GB		43.9 GB/s
Corsair CMK64GX4M2A2666C16 32GB		32.0 GB/s
PassMark Software © 2008-2026

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Last 5 Baselines for Corsair CMK64GX4M2A2666C16 32GB
Most recent listed first
Baseline	Benchmark Results
BL3493904 - May 28 2026		63 ns - Latency 13.6 GB/s - Read Uncached 7.8 GB/s - Write 27.9 GB/s - Threaded
BL3434695 - Apr 26 2026		29 ns - Latency 18.8 GB/s - Read Uncached 11.5 GB/s - Write 27.9 GB/s - Threaded
BL3351138 - Mar 15 2026		55 ns - Latency 15.1 GB/s - Read Uncached 8.8 GB/s - Write 35.2 GB/s - Threaded
BL3319729 - Mar 01 2026		67 ns - Latency 17.5 GB/s - Read Uncached 12.0 GB/s - Write 30.3 GB/s - Threaded
BL3301059 - Feb 21 2026		62 ns - Latency 18.6 GB/s - Read Uncached 12.1 GB/s - Write 30.5 GB/s - Threaded
PassMark Software © 2008-2026

RAM Benchmarks

Memory Benchmarks

Corsair CMK64GX4M2A2666C16 32GB

Memory Test Suite Average Results for Corsair CMK64GX4M2A2666C16 32GB