Corsair VENGEANCE LPX 64GB (8 x 8GB) DDR4 4266MHz

Corsair VENGEANCE LPX 64GB (8 x 8GB) DDR4 4266MHz C19 Memory Kit Black CMK64GX4M8X4266C19

Corsair VENGEANCE LPX 64GB (8 x 8GB) DDR4 4266MHz C19 Memory Kit Black CMK64GX4M8X4266C19

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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 CMK64GX4M8X4266C19
Type 288-pin DIMM DDR4
Speed DDR4-4266 MHz
Size 64GB (8 x 8GB)
CAS Latency 19
Timing 19-26-26-46
First Word Latency 8.91 ns
Voltage 1.45 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)

3666 3733 3800 3866 4000 4133 4200 4266 4300 4333 4400 4500 4533 4600
18 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 7.83
19 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 8.26
20 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 8.70
21 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 9.13
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 9.57
23 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 10.00
24 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 10.43
25 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 10.87
CAS (clock cycles) Lower latency means faster memory.

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