Corsair CMD16GX4M4A2666C16 4GB

Price and performance details for the Corsair CMD16GX4M4A2666C16 4GB 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 CMD16GX4M4A2666C16 4GB

Description: PC4-17000, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16

Other names: Corsair CMD16GX4M4A2666C16

Memory First Benchmarked: 2020-12-18

Last Price Change: $399.99 USD (2019-02-27)

Average Mark

2747
Samples: 88

Memory Test Suite Average Results for Corsair CMD16GX4M4A2666C16 4GB

Database Operations	4,350 KOps/Sec
Memory Read Cached	27,848 MBytes/Sec
Memory Read Uncached	15,353 MBytes/Sec
Memory Write	10,990 MBytes/Sec
Latency	41 ns (lower is better)
Memory Threaded	35,827 MBytes/Sec

From submitted results to PerformanceTest V10 as of 11th of August 2026.

Latency
As of 11th of August 2026 - Lower numbers represent better performance
Memory Model	Average
Corsair CMK16GX4M2B3200C16 8GB		41 ns
Team Group Inc. TEAMGROUP-UD4-3200 8GB		44 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 CMD16GX4M4A2666C16 4GB		41 ns
PassMark Software © 2008-2026

Read Uncached Transfer Speed
As of 11th of August 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		21.4 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		19.2 GB/s
Team Group Inc. TEAMGROUP-UD4-3600 8GB		21.8 GB/s
Corsair CMD16GX4M4A2666C16 4GB		15.4 GB/s
PassMark Software © 2008-2026

Write Transfer Speed
As of 11th of August 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 CMD16GX4M4A2666C16 4GB		11.0 GB/s
PassMark Software © 2008-2026

Threaded Memory
As of 11th of August 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		40.1 GB/s
G Skill Intl F4-3200C16-16GVK 16GB		38.4 GB/s
G Skill Intl F4-3200C16-8GVKB 8GB		37.6 GB/s
Corsair CMW16GX4M2C3200C16 8GB		37.5 GB/s
Team Group Inc. TEAMGROUP-UD4-3600 8GB		43.8 GB/s
Corsair CMD16GX4M4A2666C16 4GB		35.8 GB/s
PassMark Software © 2008-2026

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Last 5 Baselines for Corsair CMD16GX4M4A2666C16 4GB
Most recent listed first
Baseline	Benchmark Results
BL3608348 - Jul 25 2026		46 ns - Latency 19.9 GB/s - Read Uncached 9.8 GB/s - Write 37.4 GB/s - Threaded
BL3608346 - Jul 25 2026		46 ns - Latency 19.9 GB/s - Read Uncached 9.8 GB/s - Write 37.4 GB/s - Threaded
BL3550244 - Jun 27 2026		43 ns - Latency 12.6 GB/s - Read Uncached 9.8 GB/s - Write 40.3 GB/s - Threaded
BL3549751 - Jun 27 2026		44 ns - Latency 12.1 GB/s - Read Uncached 9.8 GB/s - Write 39.8 GB/s - Threaded
BL2818546 - Aug 06 2025		54 ns - Latency 14.2 GB/s - Read Uncached 6.4 GB/s - Write 15.2 GB/s - Threaded
PassMark Software © 2008-2026

RAM Benchmarks

Memory Benchmarks

Corsair CMD16GX4M4A2666C16 4GB

Memory Test Suite Average Results for Corsair CMD16GX4M4A2666C16 4GB