Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz RAM

Name: Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz
Brand: Patriot
SKU: PVS416G400C9K
Rating: 4.0 (15 reviews)

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz PVS416G400C9K

★★★★☆

(15 reviews)

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Options (8)

	3000MHz 16GB Kit (2x8GB) $38.99
	3000MHz 32GB (2x16GB) $94.99
	3200MHz 32GB (2x16GB) $285.99
	3400MHz 16GB Kit (2x8GB)
	3600MHz 16GB Kit (2x8GB) $24.99
	3733MHz 16GB Kit (2x8GB) $51.99
	3866MHz 16GB Kit (2x8GB)
	4133MHz 16GB Kit (2x8GB) $72.99

Capacity: 16GB (2 x 8GB) DDR4
Base Frequency: PC4-17000 (2133MHz); Up to PC4-32000 (4000MHz) with XMP 2.0 enabled
Base Timings: 15-15-15-36; Overclock timing with XMP 2.0 enabled Tested Timings: 19-19-19-39
COMPATIBILITY: Tested on the latest Intel & AMD platforms
Custom design and series: All aluminum heat shield featuring gunmetal grey sides with diamond- cut viper logo and black top.

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 1

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 2

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 3

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 4

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 5

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 6

Patriot Viper Steel Series DDR4 16GB (2x8GB) 4000MHz image 7

Specifications Overview

Model	PVS416G400C9K
Type	288-pin DDR4 DIMM
Speed	DDR4-4000 MHz
Size	16GB (2 x 8GB)
CAS Latency	19
Timing	19-19-19-39
First Word Latency	9.5 ns
Voltage	1.35 V
Heat Spreader	Yes
ECC Support	No
Color	Gunmetal Grey
Samsung B-Die	Yes

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C

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.