Crucial Technology CB8GU2666.C8PT 8GB

Price and performance details for the Crucial Technology CB8GU2666.C8PT 8GB 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.

Crucial Technology CB8GU2666.C8PT 8GB

Description: PC4-21300, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Other names: Crucial Technology CB8GU2666.C8PT

Memory First Benchmarked: 2022-08-04

Last Price Change: NA

Average Mark

2721
Samples: 18

Memory Test Suite Average Results for Crucial Technology CB8GU2666.C8PT 8GB

Database Operations	4,164 KOps/Sec
Memory Read Cached	28,055 MBytes/Sec
Memory Read Uncached	15,403 MBytes/Sec
Memory Write	10,884 MBytes/Sec
Latency	43 ns (lower is better)
Memory Threaded	34,055 MBytes/Sec

From submitted results to PerformanceTest V10 as of 22nd of July 2026.

Latency
As of 22nd of July 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
Crucial Technology CB8GU2666.C8PT 8GB		43 ns
PassMark Software © 2008-2026

Read Uncached Transfer Speed
As of 22nd of July 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
Crucial Technology CB8GU2666.C8PT 8GB		15.4 GB/s
PassMark Software © 2008-2026

Write Transfer Speed
As of 22nd of July 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
Crucial Technology CB8GU2666.C8PT 8GB		10.9 GB/s
PassMark Software © 2008-2026

Threaded Memory
As of 22nd of July 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		37.6 GB/s
Corsair CMW16GX4M2C3200C16 8GB		37.5 GB/s
Team Group Inc. TEAMGROUP-UD4-3600 8GB		43.8 GB/s
Crucial Technology CB8GU2666.C8PT 8GB		34.1 GB/s
PassMark Software © 2008-2026

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Last 5 Baselines for Crucial Technology CB8GU2666.C8PT 8GB
Most recent listed first
Baseline	Benchmark Results
BL3521476 - Jun 12 2026		30 ns - Latency 14.2 GB/s - Read Uncached 12.9 GB/s - Write 33.2 GB/s - Threaded
BL3454293 - May 06 2026		41 ns - Latency 14.4 GB/s - Read Uncached 9.5 GB/s - Write 33.3 GB/s - Threaded
BL3437364 - Apr 27 2026		29 ns - Latency 13.8 GB/s - Read Uncached 7.4 GB/s - Write 18.5 GB/s - Threaded
BL3421827 - Apr 20 2026		59 ns - Latency 13.8 GB/s - Read Uncached 6.6 GB/s - Write 18.5 GB/s - Threaded
BL3410415 - Apr 14 2026		30 ns - Latency 15.1 GB/s - Read Uncached 13.3 GB/s - Write 33.2 GB/s - Threaded
PassMark Software © 2008-2026

RAM Benchmarks

Memory Benchmarks

Crucial Technology CB8GU2666.C8PT 8GB

Memory Test Suite Average Results for Crucial Technology CB8GU2666.C8PT 8GB