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Corsair CMSX16GX4M1A2666C18 16GB
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Corsair CMSX16GX4M1A2666C18 16GB

Review RAM Corsair CMSX16GX4M1A2666C18 16GB, specifications, benchmarks

Corsair CMSX16GX4M1A2666C18 16GB memory module review. Main technical characteristics and benchmark performance evaluation from PassMark. We suggest studying all the data and comparing it with the competitive model.
Specifications Performance tests Comments

Specifications

Complete list of technical specifications
Features
  • Type
    DDR4
  • Name
    Corsair CMSX16GX4M1A2666C18
  • Characteristics
    PC4-21300, 1.2V, CAS Supported: 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
  • Memory bandwidth
    21300 mbps
  • Timings / Clock speed

    * check the manufacturer's website

    17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Performance by PassMark
  • Latency
    34 ns
  • Read speed
    15.6 GB/s
  • Write speed
    13.1 GB/s
# 1600 1866 2133 2400 2666 2800 3000 3200 3333 3400 3466 3600 3733 3866 4000 MT/s
8 10.00 8.57 7.50 6.67 6.00 5.71 5.33 5.00 4.80 4.71 4.62 4.44 4.29 4.14 4.00
9 11.25 9.65 8.44 7.50 6.75 6.43 6.00 5.63 5.40 5.29 5.19 5.00 4.82 4.66 4.50
10 12.50 10.72 9.38 8.33 7.50 7.14 6.67 6.25 6.00 5.88 5.77 5.56 5.36 5.17 5.00
11 13.75 11.79 10.31 9.17 8.25 7.86 7.33 6.88 6.60 6.47 6.35 6.11 5.89 5.69 5.50
12 15.00 12.86 11.25 10.00 9.00 8.57 8.00 7.50 7.20 7.06 6.92 6.67 6.43 6.21 6.00
13 16.25 13.93 12.19 10.83 9.75 9.29 8.67 8.13 7.80 7.65 7.50 7.22 6.96 6.73 6.50
14 17.50 15.01 13.13 11.67 10.50 10.00 9.33 8.75 8.40 8.24 8.08 7.78 7.50 7.24 7.00
15 18.75 16.08 14.06 12.50 11.25 10.71 10.00 9.38 9.00 8.82 8.66 8.33 8.04 7.76 7.50
16 20.00 17.15 15.00 13.33 12.00 11.43 10.67 10.00 9.60 9.41 9.23 8.89 8.57 8.28 8.00
17 21.25 18.22 15.94 14.17 12.75 12.14 11.33 10.63 10.20 10.00 9.81 9.44 9.11 8.79 8.50
18 22.50 19.29 16.88 15.00 13.50 12.86 12.00 11.25 10.80 10.59 10.39 10.00 9.64 9.31 9.00
19 23.75 20.36 17.82 15.83 14.25 13.57 12.67 11.88 11.40 11.18 10.96 10.56 10.18 9.83 9.50
20 25.00 21.44 18.75 16.67 15.00 14.29 13.33 12.50 12.00 11.76 11.54 11.11 10.72 10.35 10.00
CL

CAS latency measures the number of clock cycles that pass from when a request to read data is made to when such information is available

Performance tests

Real tests Corsair CMSX16GX4M1A2666C18 16GB
Latency
PassMark average delay time
29 ns
28 ns
38 ns
33 ns
28 ns
29 ns
37 ns
33 ns
31 ns
34 ns
Corsair CMSX16GX4M1A2666C18 16GB
Read Uncached Transfer Speed
Average memory read time without caching
17.9 ns
18.3 ns
13.8 ns
16.1 ns
18.2 ns
18.5 ns
13.9 ns
16.1 ns
16.8 ns
15.6 ns
Corsair CMSX16GX4M1A2666C18 16GB
Write Transfer Speed
Average write speed
13.8 ns
14.5 ns
10.1 ns
11.7 ns
14.6 ns
14.4 ns
9.9 ns
13.0 ns
12.8 ns
13.1 ns
Corsair CMSX16GX4M1A2666C18 16GB
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Corsair CMSX16GX4M1A2666C18 16GB

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