G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz RAM

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G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz 288-Pin F4-2666C18D-64GTRS

G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz 288-Pin F4-2666C18D-64GTRS

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  • Brand G.SKILL Series Trident Z Royal Series Model F4-2666C18D-64GTRS
  • Capacity 64GB (2 X 32GB) Type 288-Pin DDR4 SDRAM Speed DDR4 2666 (PC4 21300)
  • CAS Latency 18 Timing 18-18-18-43 Voltage 1.2V ECC No
  • Buffered/Registered Unbuffered Multi-Channel Kit Dual Channel Kit Color Silver Heat Spreader Yes
G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz image 1
G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz image 2
G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz image 3
G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz thumbnail 1
G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz thumbnail 2
G.SKILL 64GB (2x32GB) Trident Z Royal DDR4 PC4-21300 2666MHz thumbnail 3

Specifications Overview

Model F4-2666C18D-64GTRS
Type 288-pin DIMM DDR4
Speed DDR4-2666 MHz
Size 64GB (2 x 32GB)
CAS Latency 18
Timing 18-18-18-43
First Word Latency 13.5 ns
Voltage 1.2 V
Heat Spreader
ECC Support
Color Silver
LED Color RGB

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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