Name: Corsair LPX 8GB DRAM 2666MHz
Brand: Corsair
SKU: CMK8GX4M1A2666C16R
Rating: 5.0 (40 reviews)

Corsair LPX 8GB DRAM 2666MHz C16 (PC4 21300)

★★★★★

(40 reviews)

Seller	Availability	Price	Shipping	Buy
In Stock	In Stock	$18.99		Buy
Last updated 40 minutes ago.
In Stock	In Stock	$18.99 + $9.99 Shipping	+ $9.99	Buy

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Options (9)

	Red 32GB Kit (4x8GB) 2666Mhz Memory $164.99
	Blue 32GB Kit (4x8GB) 2666Mhz Memory $164.99
	Black 32GB Kit (4x8GB) 2666Mhz Memory $75.99
	Blue 16GB Kit (4x4GB) 2666MHz C16 Memory $94.99
	Red 16GB Kit (4x4GB) 2400MHz C14 Memory $94.99
	Black 32GB Kit (4x8GB) 2400MHz C14 Memory $162.00
	Red 32GB Kit (4x8GB) 2400MHz C14 Memory $159.99
	Black 16GB Kit (4x4GB) 2400MHz C14 Memory $104.99
	Red 16GB Kit (4x4GB) 2666MHz C16 Memory $94.99

Designed for high-performance overclocking
Designed for great looks
Performance and Compatibility
Low-profile heat spreader design

Specifications Overview

Model	CMK8GX4M1A2666C16R
Release Date	July 2015 * First availability for purchase, it may not correspond to the actual market launch date.
Type	288-pin DIMM DDR4
Speed	DDR4-2666 MHz
Size	8GB (1 x 8GB)
CAS Latency	16
Timing	16-18-18-35
First Word Latency	12 ns
Voltage	1.2 V
Heat Spreader	Yes
ECC Support	No
Color	Red

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