CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) DDR4 2666 RAM

CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) 288-Pin DDR4 2666 (PC4 21300) CMW128GX4M8A2666C16W

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CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) 288-Pin DDR4 SDRAM DDR4 2666 (PC4 21300) Desktop Memory Model CMW128GX4M8A2666C16W CAS Latency: 16 Voltage: 1.20V Timing: 16-18-18-35 Heat Spreader: Anodized Aluminum Color: White Features: Dynamic Multi-Zone RGB Lighting 10 Ultra-bright RGB LEDs per module. Next Generation Software Take control in CORSAIR iCUE software and synchronize lighting with other CORSAIR RGB products, including CPU coolers, keyboards and fans. Custom Performance PCB Provides the highest signal quality for the greatest level of performance and stability. Tightly Screened Memory Carefully screened ICs for extended overclocking potential. Maximum Bandwidth and Tight Response Times Optimized for peak performance on the latest Intel and AMD DDR4 motherboards. No Wires Required Requires no extra wires or cables for a clean and seamless install. Maximum bandwidth and tight response time Optimized on the latest AMD and Intel

CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) DDR4 2666 image 1

CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) DDR4 2666 image 2

CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) DDR4 2666 image 3

CORSAIR Vengeance RGB Pro 128GB (8 x 16GB) DDR4 2666 image 4

Specifications Overview

Model	CMW128GX4M8A2666C16W
Type	288-pin DDR4 DIMM
Speed	DDR4-2666 MHz
Size	128GB (8 x 16GB)
CAS Latency	16
Timing	16-18-18-35
First Word Latency	12 ns
Voltage	1.2 V
Heat Spreader	Yes
ECC Support	No
Color	White
LED Color	RGB

	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)

	2133	2400	2666	2800	2933	3000	3200	3300	3333	3400	3466	3600	3666	3733
13	12.19	10.83	9.75	9.29	8.86	8.67	8.13	7.88	7.80	7.65	7.50	7.22	7.09	6.96
14	13.13	11.67	10.50	10.00	9.55	9.33	8.75	8.48	8.40	8.24	8.08	7.78	7.64	7.50
15	14.06	12.50	11.25	10.71	10.23	10.00	9.38	9.09	9.00	8.82	8.66	8.33	8.18	8.04
16	15.00	13.33	12.00	11.43	10.91	10.67	10.00	9.70	9.60	9.41	9.23	8.89	8.73	8.57
17	15.94	14.17	12.75	12.14	11.59	11.33	10.63	10.30	10.20	10.00	9.81	9.44	9.27	9.11
18	16.88	15.00	13.50	12.86	12.27	12.00	11.25	10.91	10.80	10.59	10.39	10.00	9.82	9.64
19	17.82	15.83	14.25	13.57	12.96	12.67	11.88	11.52	11.40	11.18	10.96	10.56	10.37	10.18
20	18.75	16.67	15.00	14.29	13.64	13.33	12.50	12.12	12.00	11.76	11.54	11.11	10.91	10.72
21	19.69	17.50	15.75	15.00	14.32	14.00	13.13	12.73	12.60	12.35	12.12	11.67	11.46	11.25
22	20.63	18.33	16.50	15.71	15.00	14.67	13.75	13.33	13.20	12.94	12.69	12.22	12.00	11.79
23	21.57	19.17	17.25	16.43	15.68	15.33	14.38	13.94	13.80	13.53	13.27	12.78	12.55	12.32
24	22.50	20.00	18.00	17.14	16.37	16.00	15.00	14.55	14.40	14.12	13.85	13.33	13.09	12.86
25	23.44	20.83	18.75	17.86	17.05	16.67	15.63	15.15	15.00	14.71	14.43	13.89	13.64	13.39

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.