Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 RAM

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Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 (PC4-32000) C19 CMK16GX4M2K4000C19

Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 (PC4-32000) C19 CMK16GX4M2K4000C19
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  • Designed For High-Performance Overclocking
  • Designed For Great Looks
  • Performance And Compatibility
  • Low-Profile Heat Spreader Design
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 image 1
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 image 2
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 image 3
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 image 4
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 image 5
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 thumbnail 1
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 thumbnail 2
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 thumbnail 3
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 thumbnail 4
Corsair Vengeance LPX 16GB (2x8GB) DDR4 4000 CMK16GX4M2K4000C19 thumbnail 5

Specifications Overview

Model CMK16GX4M2K4000C19
Release Date September 2019

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

Type 288-pin DIMM DDR4
Speed DDR4-4000 MHz
Size 16GB (2 x 8GB)
CAS Latency 19
Timing 19-23-23-45
First Word Latency 9.5 ns
Voltage 1.35 V
Heat Spreader
ECC Support
Color Black

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)

3400 3466 3600 3666 3733 3800 3866 4000 4133 4200 4266 4300 4333 4400
16 9.41 9.23 8.89 8.73 8.57 8.42 8.28 8.00 7.74 7.62 7.50 7.44 7.39 7.27
17 10.00 9.81 9.44 9.27 9.11 8.95 8.79 8.50 8.23 8.10 7.97 7.91 7.85 7.73
18 10.59 10.39 10.00 9.82 9.64 9.47 9.31 9.00 8.71 8.57 8.44 8.37 8.31 8.18
19 11.18 10.96 10.56 10.37 10.18 10.00 9.83 9.50 9.19 9.05 8.91 8.84 8.77 8.64
20 11.76 11.54 11.11 10.91 10.72 10.53 10.35 10.00 9.68 9.52 9.38 9.30 9.23 9.09
21 12.35 12.12 11.67 11.46 11.25 11.05 10.86 10.50 10.16 10.00 9.85 9.77 9.69 9.55
22 12.94 12.69 12.22 12.00 11.79 11.58 11.38 11.00 10.65 10.48 10.31 10.23 10.15 10.00
23 13.53 13.27 12.78 12.55 12.32 12.11 11.90 11.50 11.13 10.95 10.78 10.70 10.62 10.45
24 14.12 13.85 13.33 13.09 12.86 12.63 12.42 12.00 11.61 11.43 11.25 11.16 11.08 10.91
25 14.71 14.43 13.89 13.64 13.39 13.16 12.93 12.50 12.10 11.90 11.72 11.63 11.54 11.36
CAS (clock cycles) Lower latency means faster memory.

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