G.Skill RipJaws V Series 32GB (2 x 16GB) DDR4 4000

G.Skill RipJaws V Series 32GB (2 x 16GB) DDR4 4000 288-Pin SDRAM CL18-22-22-42 1.40V F4-4000C18D-32GVK

G.Skill RipJaws V Series 32GB (2 x 16GB) DDR4 4000 288-Pin SDRAM CL18-22-22-42 1.40V F4-4000C18D-32GVK

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  • Ripjaws V Series, Designed Specifically For AMD Ryzen X570, B550 And Newer; Intel Z490 And Newer.
  • 32GB Kit Containing 2 X 16GB Modules, DDR4-4000, 288-Pin, CAS Latency CL18 (18-22-22-42) At 1.40V
  • Brand: G.SKILL, Series: Ripjaws V Series, Model: F4-4000C18D-64GVK
  • ECC: No, Dual Channel Kit, Recommended Use: High Performance Or Gaming Memory

Specifications Overview

Model F4-4000C18D-32GVK
Type 288-pin DDR4 DIMM
Speed DDR4-4000 MHz
Size 32GB (2 x 16GB)
CAS Latency 18
Timing 18-22-22-42
First Word Latency 9 ns
Voltage 1.4 V
Heat Spreader Yes
ECC Support No
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.

Distribution of First Word Latencies for Similar RAM Modules

The histogram below shows the distribution of first word latencies (in nanoseconds) for all RAM modules of the same DDR type and frequency in our database. Each bar represents the number of modules that fall within a specific latency range. The highlighted bar indicates the latency of the currently selected RAM module.

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