Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz RAM

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz (PC3 12800) Desktop Memory 1.65V

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4GB 2 x 2GB PC3-12800 1600MHz 240-pin DDR3 Timing: 9-9-9-24 1.65v
Lifetime Warranty Backed by Corsair - A respected name with a passion for great service and support
4GB memory kit (2 x 2GB) for use with Dual Channel DDR3 Intel Core i5 and Core i7 processors
Each memory module is individually tested to give you Peace of Mind that it Will Not Fail, Guaranteed!
Perfect upgrade to Compliment Windows 7 and it's great for Gamers who want more speed out of their systems
Memory Type: DDR3; Speed: 1600MHz
Each memory module is individually tested to give you Peace of Mind that it Will Not Fail, Guaranteed!
4GB memory kit (2 x 2GB) for use with Dual Channel DDR3 Intel Core i5 and Core i7 processors
Perfect upgrade to Compliment Windows 7 and it's great for Gamers who want more speed out of their systems
Lifetime Warranty Backed by Corsair – A respected name with a passion for great service and support
4GB 2 x 2GB PC3-12800 1600MHz 240-pin DDR3 Timing: 9-9-9-24 1.65v

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 1

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 2

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 3

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 4

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 5

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 6

Corsair CMX4GX3M2A1600C9 XMS3 4GB (2x2GB) DDR3 1600 MHz image 7

Specifications Overview

Model	CMX4GX3M2A1600C9
Type	240-pin DDR3 DIMM
Speed	DDR3-1600 MHz
Size	4GB (2 x 2GB)
CAS Latency	9
Timing	9-9-9-24
First Word Latency	11.25 ns
Voltage	1.65 V
Heat Spreader	Yes
ECC Support	No

	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)

	1066	1333	1600	1866	2000	2133	2400	2666	2800	2933	3000	3100	3200
7	13.13	10.50	8.75	7.50	7.00	6.56	5.83	5.25	5.00	4.77	4.67	4.52	4.38
8	15.01	12.00	10.00	8.57	8.00	7.50	6.67	6.00	5.71	5.46	5.33	5.16	5.00
9	16.89	13.50	11.25	9.65	9.00	8.44	7.50	6.75	6.43	6.14	6.00	5.81	5.63
10	18.76	15.00	12.50	10.72	10.00	9.38	8.33	7.50	7.14	6.82	6.67	6.45	6.25
11	20.64	16.50	13.75	11.79	11.00	10.31	9.17	8.25	7.86	7.50	7.33	7.10	6.88
12	22.51	18.00	15.00	12.86	12.00	11.25	10.00	9.00	8.57	8.18	8.00	7.74	7.50
13	24.39	19.50	16.25	13.93	13.00	12.19	10.83	9.75	9.29	8.86	8.67	8.39	8.13
14	26.27	21.01	17.50	15.01	14.00	13.13	11.67	10.50	10.00	9.55	9.33	9.03	8.75
15	28.14	22.51	18.75	16.08	15.00	14.06	12.50	11.25	10.71	10.23	10.00	9.68	9.38
16	30.02	24.01	20.00	17.15	16.00	15.00	13.33	12.00	11.43	10.91	10.67	10.32	10.00
17	31.89	25.51	21.25	18.22	17.00	15.94	14.17	12.75	12.14	11.59	11.33	10.97	10.63
18	33.77	27.01	22.50	19.29	18.00	16.88	15.00	13.50	12.86	12.27	12.00	11.61	11.25
19	35.65	28.51	23.75	20.36	19.00	17.82	15.83	14.25	13.57	12.96	12.67	12.26	11.88

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.