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

Name: G.Skill RipJaws V Series 32GB (2 x 16GB) DDR4 4000
Brand: G.Skill
SKU: F4-4000C18D-32GVK
Rating: 5.0 (14 reviews)

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

★★★★★

(14 reviews)

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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

G.Skill RipJaws V Series 32GB (2 x 16GB) DDR4 4000 image 1

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

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.