Corsair VENGEANCE LPX 8GB (2 x 4GB) DDR4 4200MHz CMK8GX4M2B4200C19

Corsair VENGEANCE LPX 8GB (2 x 4GB) DDR4 4200MHz C19 Memory Kit Black CMK8GX4M2B4200C19

Corsair VENGEANCE LPX 8GB (2 x 4GB) DDR4 4200MHz C19 Memory Kit Black CMK8GX4M2B4200C19

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  • VENGEANCE LPX memory is designed for high-performance overclocking. The heatspreader is made of pure aluminum for faster heat dissipation, and the eight-layer PCB helps manage heat and provides superior overclocking headroom.

Specifications Overview

Model CMK8GX4M2B4200C19
Type 288-pin DIMM DDR4
Speed DDR4-4200 MHz
Size 8GB (2 x 4GB)
CAS Latency 19
Timing 19-26-26-46
First Word Latency 9.05 ns
Voltage 1.4 V
Heat Spreader
ECC Support

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)

3600 3666 3733 3800 3866 4000 4133 4200 4266 4300 4333 4400 4500 4533
14 7.78 7.64 7.50 7.37 7.24 7.00 6.77 6.67 6.56 6.51 6.46 6.36 6.22 6.18
15 8.33 8.18 8.04 7.89 7.76 7.50 7.26 7.14 7.03 6.98 6.92 6.82 6.67 6.62
16 8.89 8.73 8.57 8.42 8.28 8.00 7.74 7.62 7.50 7.44 7.39 7.27 7.11 7.06
17 9.44 9.27 9.11 8.95 8.79 8.50 8.23 8.10 7.97 7.91 7.85 7.73 7.56 7.50
18 10.00 9.82 9.64 9.47 9.31 9.00 8.71 8.57 8.44 8.37 8.31 8.18 8.00 7.94
19 10.56 10.37 10.18 10.00 9.83 9.50 9.19 9.05 8.91 8.84 8.77 8.64 8.44 8.38
20 11.11 10.91 10.72 10.53 10.35 10.00 9.68 9.52 9.38 9.30 9.23 9.09 8.89 8.82
21 11.67 11.46 11.25 11.05 10.86 10.50 10.16 10.00 9.85 9.77 9.69 9.55 9.33 9.27
22 12.22 12.00 11.79 11.58 11.38 11.00 10.65 10.48 10.31 10.23 10.15 10.00 9.78 9.71
23 12.78 12.55 12.32 12.11 11.90 11.50 11.13 10.95 10.78 10.70 10.62 10.45 10.22 10.15
24 13.33 13.09 12.86 12.63 12.42 12.00 11.61 11.43 11.25 11.16 11.08 10.91 10.67 10.59
25 13.89 13.64 13.39 13.16 12.93 12.50 12.10 11.90 11.72 11.63 11.54 11.36 11.11 11.03
CAS (clock cycles) Lower latency means faster memory.

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