Patriot Signature Premium 16GB (1x16GB) DDR4 2666MHz RAM

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Patriot Signature Premium 16GB (1x16GB) DDR4 2666MHz (PC4-21300) PSP416G26662H1

Patriot Signature Premium 16GB (1x16GB) DDR4 2666MHz (PC4-21300) PSP416G26662H1
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  • Patriot Signature Line Premium Capacity: 16GB (1X16gb)
  • Frequency: 2666Mhz (PC4-21300); Timings: 19-19-19-43; Voltage: 1.2V
  • Form Factor: 288-Pin Unbuffered Dual In-Line Memory Module (UDIMM)
  • Technology : DDR 4 Non-ECC Unbuffered
  • Aluminum Heatshield; Rohs Compliant; Limited Lifetime Warranty
Patriot Signature Premium 16GB (1x16GB) DDR4 2666MHz image 1
Patriot Signature Premium 16GB (1x16GB) DDR4 2666MHz image 2
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Specifications Overview

Model PSP416G26662H1
Release Date May 2019

* First availability for purchase, it may not correspond to the actual market launch date.

Type 288-pin DIMM DDR4
Speed DDR4-2666 MHz
Size 16GB (1 x 16GB)
CAS Latency 19
Timing 19-19-19-43
First Word Latency 14.25 ns
Voltage 1.2 V
Heat Spreader
ECC Support
Color Black

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.

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