Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz RAM

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Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz C16 CMR64GX4M4A2666C16

Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz C16 CMR64GX4M4A2666C16

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  • Broad Range Of Lighting Configurations To Complement The Style Of Your System
  • CORSAIR LINK Enables Fully Programmable Lighting Effects, Memory Monitoring, And Additional Integration With Other CORSAIR Products
  • Allows For A Clean, Seamless Integration, Improves Thermal Conductivity And Appearance
  • Optimized On The Latest Intel X99, 100 And 200 Series Motherboards
  • Automatically Selects The Maximum Reliable Overclocking Settings For The Best Possible Performance And Stability
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz image 1
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz image 2
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz image 3
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz image 4
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz image 5
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz image 6
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz thumbnail 1
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz thumbnail 2
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz thumbnail 3
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz thumbnail 4
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz thumbnail 5
Corsair VENGEANCE RGB 64GB (4x16GB) DDR4 2666MHz thumbnail 6

Specifications Overview

Model CMR64GX4M4A2666C16
Type 288-pin DIMM DDR4
Speed DDR4-2666 MHz
Size 64GB (4 x 16GB)
CAS Latency 16
Timing 16-18-18-35
First Word Latency 12 ns
Voltage 1.2 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)

2133 2400 2666 2800 2933 3000 3200 3300 3333 3400 3466 3600 3666 3733
13 12.19 10.83 9.75 9.29 8.86 8.67 8.13 7.88 7.80 7.65 7.50 7.22 7.09 6.96
14 13.13 11.67 10.50 10.00 9.55 9.33 8.75 8.48 8.40 8.24 8.08 7.78 7.64 7.50
15 14.06 12.50 11.25 10.71 10.23 10.00 9.38 9.09 9.00 8.82 8.66 8.33 8.18 8.04
16 15.00 13.33 12.00 11.43 10.91 10.67 10.00 9.70 9.60 9.41 9.23 8.89 8.73 8.57
17 15.94 14.17 12.75 12.14 11.59 11.33 10.63 10.30 10.20 10.00 9.81 9.44 9.27 9.11
18 16.88 15.00 13.50 12.86 12.27 12.00 11.25 10.91 10.80 10.59 10.39 10.00 9.82 9.64
19 17.82 15.83 14.25 13.57 12.96 12.67 11.88 11.52 11.40 11.18 10.96 10.56 10.37 10.18
20 18.75 16.67 15.00 14.29 13.64 13.33 12.50 12.12 12.00 11.76 11.54 11.11 10.91 10.72
21 19.69 17.50 15.75 15.00 14.32 14.00 13.13 12.73 12.60 12.35 12.12 11.67 11.46 11.25
22 20.63 18.33 16.50 15.71 15.00 14.67 13.75 13.33 13.20 12.94 12.69 12.22 12.00 11.79
23 21.57 19.17 17.25 16.43 15.68 15.33 14.38 13.94 13.80 13.53 13.27 12.78 12.55 12.32
24 22.50 20.00 18.00 17.14 16.37 16.00 15.00 14.55 14.40 14.12 13.85 13.33 13.09 12.86
25 23.44 20.83 18.75 17.86 17.05 16.67 15.63 15.15 15.00 14.71 14.43 13.89 13.64 13.39
CAS (clock cycles) Lower latency means faster memory.

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