Name: Patriot Signature 8GB (2x4GB) DDR4 2666MHz Heatshield
Brand: Patriot
SKU: PSD48G2666KH

Patriot Signature 8GB (2x4GB) DDR4 2666MHz (PC4-21300) Heatshield

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8GB (2x4GB) 288-Pin unbuffered dual in-line memory module (DIMM) kit
Frequency: 2666MHz (PC4-21300), Timings: 19-19-19-43, Voltage: 1.2V
100% Tested, Aluminum Heatshield
RoHS Compliant
Limited Lifetime Warranty

Patriot Signature 8GB (2x4GB) DDR4 2666MHz Heatshield image 1

Patriot Signature 8GB (2x4GB) DDR4 2666MHz Heatshield image 2

Patriot Signature 8GB (2x4GB) DDR4 2666MHz Heatshield image 3

Patriot Signature 8GB (2x4GB) DDR4 2666MHz Heatshield image 4

Patriot Signature 8GB (2x4GB) DDR4 2666MHz Heatshield image 5

Specifications Overview

Model	PSD48G2666KH
Type	288-pin DIMM DDR4
Speed	DDR4-2666 MHz
Size	8GB (2 x 4GB)
CAS Latency	19
Timing	19-19-19-43
First Word Latency	14.25 ns
Voltage	1.2 V
Heat Spreader	Yes
ECC Support	No

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