CORSAIR Dominator Platinum RGB 64GB (2x32GB) DDR5 6800MHz RAM

CORSAIR Dominator Platinum RGB 64GB (2x32GB) DDR5 6800MHz CL40 Intel XMP Black (CMT64GX5M2B6800C40)

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12 Ultra-Bright CAPELLIX RGB LEDs: Each module is lined with 12 individually addressable LEDs to illuminate your PC with spectacular customisable lighting and low power consumption.
Patented CORSAIR DHX Cooling: Keeps DDR5 temperatures down by cooling both the ICs and the ground plane of the PCB itself with its own dedicated heatspreader, ensuring high performance even under extreme loads.
Onboard Voltage Regulation: Makes for easier, finely-tuned, and more stable overclocking through CORSAIR iCUE software than ever.
Custom Intel XMP 3.0 Profiles: Customize and save your own XMP profiles via iCUE to tailor performance by app or task for greater efficiency.
Part Number: CMT64GX5M2B6800C40 | Latency: 40-50-50-110 | Voltage: 1.4V | Compatibility: Intel 700 Series

CORSAIR Dominator Platinum RGB 64GB (2x32GB) DDR5 6800MHz image 1

Specifications Overview

Model	CMT64GX5M2B6800C40
Release Date	May 2023 * First availability for purchase, it may not correspond to the actual market launch date.
Type	288-pin DDR5 DIMM
Speed	DDR5-6800 MHz
Size	64GB (2 x 32GB)
CAS Latency	40
Timing	40-50-50-110
First Word Latency	11.76 ns
Voltage	1.4 V
Heat Spreader	Yes
ECC Support	No
Color	Black
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)

	5000	5200	5600	6000	6200	6400	6600	6800	7000	7200	7400	7600	7800	8000
40	16.00	15.38	14.29	13.33	12.90	12.50	12.12	11.76	11.43	11.11	10.81	10.53	10.26	10.00
41	16.40	15.77	14.64	13.67	13.23	12.81	12.42	12.06	11.71	11.39	11.08	10.79	10.51	10.25
42	16.80	16.15	15.00	14.00	13.55	13.13	12.73	12.35	12.00	11.67	11.35	11.05	10.77	10.50
43	17.20	16.54	15.36	14.33	13.87	13.44	13.03	12.65	12.29	11.94	11.62	11.32	11.03	10.75
44	17.60	16.92	15.71	14.67	14.19	13.75	13.33	12.94	12.57	12.22	11.89	11.58	11.28	11.00
45	18.00	17.31	16.07	15.00	14.52	14.06	13.64	13.24	12.86	12.50	12.16	11.84	11.54	11.25
46	18.40	17.69	16.43	15.33	14.84	14.38	13.94	13.53	13.14	12.78	12.43	12.11	11.79	11.50
47	18.80	18.08	16.79	15.67	15.16	14.69	14.24	13.82	13.43	13.06	12.70	12.37	12.05	11.75
48	19.20	18.46	17.14	16.00	15.48	15.00	14.55	14.12	13.71	13.33	12.97	12.63	12.31	12.00
49	19.60	18.85	17.50	16.33	15.81	15.31	14.85	14.41	14.00	13.61	13.24	12.89	12.56	12.25
50	20.00	19.23	17.86	16.67	16.13	15.63	15.15	14.71	14.29	13.89	13.51	13.16	12.82	12.50
51	20.40	19.62	18.21	17.00	16.45	15.94	15.45	15.00	14.57	14.17	13.78	13.42	13.08	12.75
52	20.80	20.00	18.57	17.33	16.77	16.25	15.76	15.29	14.86	14.44	14.05	13.68	13.33	13.00

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.