HyperX Predator Black 16GB (2x8GB) 4000MHz DDR4 RAM

HyperX Predator Black 16GB (2x8GB) 4000MHz DDR4 CL19 (HX440C19PB3K2/16)

HyperX Predator Black 16GB (2x8GB) 4000MHz DDR4 CL19 (HX440C19PB3K2/16)

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  • Fierce black aluminum heat spreader gives your rig a menacing edge
  • High speeds and low latencies pump out extreme DDR4 performance
  • Intel XMP-ready profiles optimized for Intel's latest chipsets

Specifications Overview

Model HX440C19PB3K2/16
Release Date November 2018

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

Type 288-pin DIMM DDR4
Speed DDR4-4000 MHz
Size 16GB (2 x 8GB)
CAS Latency 19
First Word Latency 9.5 ns
Voltage 1.35 V
Heat Spreader
ECC Support
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.

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