G.SKILL 16GB (2x8GB) TridentZ DDR4 3866MHz F4-3866C18D-16GTZSW

G.SKILL 16GB (2x8GB) TridentZ DDR4 PC4-30900 3866MHz F4-3866C18D-16GTZSW

G.SKILL 16GB (2x8GB) TridentZ DDR4 PC4-30900 3866MHz F4-3866C18D-16GTZSW

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  • Series: Tridentz Series
  • Capacity: 16GB (2 X 8GB), Type: 288-Pin DDR4 SDRAM, Speed: DDR4 3866Mhz PC4-30900
  • Cas Latency: 18, Voltage: 1.35V
  • ECC: No, Buffered/Registered: Unbuffered, Multi-Channel Kit: Dual Channel Kit

Specifications Overview

Model F4-3866C18D-16GTZSW
Type 288-pin DIMM DDR4
Speed DDR4-3866 MHz
Size 16GB (2 x 8GB)
CAS Latency 18
Timing 18-19-19-39
First Word Latency 9.31 ns
Voltage 1.35 V
Heat Spreader
ECC Support
Color Silver/White
Samsung B-Die

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)

3333 3400 3466 3600 3666 3733 3800 3866 4000 4133 4200 4266 4300 4333
16 9.60 9.41 9.23 8.89 8.73 8.57 8.42 8.28 8.00 7.74 7.62 7.50 7.44 7.39
17 10.20 10.00 9.81 9.44 9.27 9.11 8.95 8.79 8.50 8.23 8.10 7.97 7.91 7.85
18 10.80 10.59 10.39 10.00 9.82 9.64 9.47 9.31 9.00 8.71 8.57 8.44 8.37 8.31
19 11.40 11.18 10.96 10.56 10.37 10.18 10.00 9.83 9.50 9.19 9.05 8.91 8.84 8.77
20 12.00 11.76 11.54 11.11 10.91 10.72 10.53 10.35 10.00 9.68 9.52 9.38 9.30 9.23
21 12.60 12.35 12.12 11.67 11.46 11.25 11.05 10.86 10.50 10.16 10.00 9.85 9.77 9.69
22 13.20 12.94 12.69 12.22 12.00 11.79 11.58 11.38 11.00 10.65 10.48 10.31 10.23 10.15
23 13.80 13.53 13.27 12.78 12.55 12.32 12.11 11.90 11.50 11.13 10.95 10.78 10.70 10.62
24 14.40 14.12 13.85 13.33 13.09 12.86 12.63 12.42 12.00 11.61 11.43 11.25 11.16 11.08
25 15.00 14.71 14.43 13.89 13.64 13.39 13.16 12.93 12.50 12.10 11.90 11.72 11.63 11.54
CAS (clock cycles) Lower latency means faster memory.

Cheapest alternatives with equal or better performance

-0.42ns Latency

-0.31ns Latency

-0.20ns Latency


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