Corsair Dominator Platinum RGB 32GB (2x16GB) DDR5 6400MHz C32 RAM

Corsair Dominator Platinum RGB 32GB (2x16GB) DDR5 6400MHz C32 Intel Optimized CMT32GX5M2B6400C32

Corsair Dominator Platinum RGB 32GB (2x16GB) DDR5 6400MHz C32 Intel Optimized CMT32GX5M2B6400C32
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  • Do it All, and Do it Faster: As modern CPUs feature more and more cores, the unprecedented speed of DDR5 ensures your high-end CPU gets data quickly, enabling faster processing, rendering, and buffering than ever before.
  • Onboard Voltage Regulation: Makes for easier, finely-tuned, and more stable overclocking through CORSAIR iCUE software than ever.
  • Patented CORSAIR DHX Cooling: Keeps DDR5 temperatures down by cooling both the ICs and the ground plane of the PCB itself with its own dedicated heatspreader, ensuring high performance even under extreme loads.
  • Custom Intel XMP 3.0 Profiles: Customize and save your own XMP profiles via iCUE to tailor performance by app or task for greater efficiency.
  • Powerful CORSAIR iCUE Software: Enables dynamic RGB lighting control synchronized across your entire iCUE setup, real-time temperature and frequency readings, onboard voltage regulation, and custom XMP profiles.
  • For 13th Gen Intel Core CPU and Z790 Motherboards.

Specifications Overview

Model CMT32GX5M2B6400C32
Release Date December 2022

* First availability for purchase, it may not correspond to the actual market launch date.

Type 288-pin DIMM DDR5
Speed DDR5-6400 MHz
Size 32GB (2 x 16GB)
CAS Latency 32
Timing 32-40-40-84
First Word Latency 10 ns
Voltage 1.4 V
Heat Spreader
ECC Support
Color Black
LED Color RGB

RAM First Word Latency Table (nanoseconds)

Latency is measured in nanoseconds, which is a combination of frequency and CAS. Both frequency increases and latency decreases result in better system performance (when latency is the same, always prefer higher frequency if possible).

Frequency (MT/s)

4400 4800 5000 5200 5600 6000 6200 6400 6600 6800 7000 7200 7600 7800
32 14.55 13.33 12.80 12.31 11.43 10.67 10.32 10.00 9.70 9.41 9.14 8.89 8.42 8.21
33 15.00 13.75 13.20 12.69 11.79 11.00 10.65 10.31 10.00 9.71 9.43 9.17 8.68 8.46
34 15.45 14.17 13.60 13.08 12.14 11.33 10.97 10.63 10.30 10.00 9.71 9.44 8.95 8.72
35 15.91 14.58 14.00 13.46 12.50 11.67 11.29 10.94 10.61 10.29 10.00 9.72 9.21 8.97
36 16.36 15.00 14.40 13.85 12.86 12.00 11.61 11.25 10.91 10.59 10.29 10.00 9.47 9.23
37 16.82 15.42 14.80 14.23 13.21 12.33 11.94 11.56 11.21 10.88 10.57 10.28 9.74 9.49
38 17.27 15.83 15.20 14.62 13.57 12.67 12.26 11.88 11.52 11.18 10.86 10.56 10.00 9.74
39 17.73 16.25 15.60 15.00 13.93 13.00 12.58 12.19 11.82 11.47 11.14 10.83 10.26 10.00
40 18.18 16.67 16.00 15.38 14.29 13.33 12.90 12.50 12.12 11.76 11.43 11.11 10.53 10.26
41 18.64 17.08 16.40 15.77 14.64 13.67 13.23 12.81 12.42 12.06 11.71 11.39 10.79 10.51
42 19.09 17.50 16.80 16.15 15.00 14.00 13.55 13.13 12.73 12.35 12.00 11.67 11.05 10.77
43 19.55 17.92 17.20 16.54 15.36 14.33 13.87 13.44 13.03 12.65 12.29 11.94 11.32 11.03
44 20.00 18.33 17.60 16.92 15.71 14.67 14.19 13.75 13.33 12.94 12.57 12.22 11.58 11.28
45 20.45 18.75 18.00 17.31 16.07 15.00 14.52 14.06 13.64 13.24 12.86 12.50 11.84 11.54
46 20.91 19.17 18.40 17.69 16.43 15.33 14.84 14.38 13.94 13.53 13.14 12.78 12.11 11.79
47 21.36 19.58 18.80 18.08 16.79 15.67 15.16 14.69 14.24 13.82 13.43 13.06 12.37 12.05
48 21.82 20.00 19.20 18.46 17.14 16.00 15.48 15.00 14.55 14.12 13.71 13.33 12.63 12.31
CAS (clock cycles) Lower latency means faster memory.

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