G.SKILL 32GB (2x16GB) TridentZ DDR4 4000Mhz

G.SKILL 32GB (2x16GB) TridentZ DDR4 PC4-32000 4000Mhz F4-4000C19D-32GTZKK

G.SKILL 32GB (2x16GB) TridentZ DDR4 PC4-32000 4000Mhz F4-4000C19D-32GTZKK

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  • Brand G.SKILL Series Tridentz Series Model F4-4000C19D-32GTZKK
  • Capacity 32GB (2 X 16GB) Type 288-Pin DDR4 SDRAM Speed DDR4 4000 (PC4 32000) CAS Latency 19 Timing 19-19-19-39 Voltage 1.35V ECC No
  • Buffered/Registered Unbuffered Chipset Intel Z370 Color Black Heat Spreader Yes

Specifications Overview

Model F4-4000C19D-32GTZKK
Type 288-pin DIMM DDR4
Speed DDR4-4000 MHz
Size 32GB (2 x 16GB)
CAS Latency 19
Timing 19-19-19-39
First Word Latency 9.5 ns
Voltage 1.35 V
Heat Spreader
ECC Support
Color Black
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)

3400 3466 3600 3666 3733 3800 3866 4000 4133 4200 4266 4300 4333 4400
16 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 7.27
17 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 7.73
18 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 8.18
19 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 8.64
20 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 9.09
21 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 9.55
22 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 10.00
23 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 10.45
24 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 10.91
25 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 11.36
CAS (clock cycles) Lower latency means faster memory.

Cheapest alternatives with equal or better performance

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