Kingston FURY Impact 64GB (2 x 32GB) SO-DIMM DDR5 4800

Kingston FURY Impact 64GB (2 x 32GB) SO-DIMM DDR5 4800 (PC4 38400) KF548S38IBK264

Kingston FURY Impact 64GB (2 x 32GB) SO-DIMM DDR5 4800 (PC4 38400) KF548S38IBK264

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  • Kingston FURY Impact 64GB (2 x 32GB) 262-Pin DDR5 SO-DIMM DDR5 4800 (PC4 38400) Laptop Memory Model KF548S38IBK264 CAS Latency: 38 Timing: 38-38-38 Voltage: 1.10V

Specifications Overview

Model KF548S38IBK264
Release Date April 2022

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

Type 262-pin DDR5 SODIMM
Speed DDR5-4800 MHz
Size 64GB (2 x 32GB)
CAS Latency 38
Timing 38-38-38
First Word Latency 15.83 ns
Voltage 1.1 V
Heat Spreader
ECC Support

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)

4400 4800 5000 5200 5600 6000 6200 6400 6600 6800 7000 7200 7400 7600
36 16.36 15.00 14.40 13.85 12.86 12.00 11.61 11.25 10.91 10.59 10.29 10.00 9.73 9.47
37 16.82 15.42 14.80 14.23 13.21 12.33 11.94 11.56 11.21 10.88 10.57 10.28 10.00 9.74
38 17.27 15.83 15.20 14.62 13.57 12.67 12.26 11.88 11.52 11.18 10.86 10.56 10.27 10.00
39 17.73 16.25 15.60 15.00 13.93 13.00 12.58 12.19 11.82 11.47 11.14 10.83 10.54 10.26
40 18.18 16.67 16.00 15.38 14.29 13.33 12.90 12.50 12.12 11.76 11.43 11.11 10.81 10.53
41 18.64 17.08 16.40 15.77 14.64 13.67 13.23 12.81 12.42 12.06 11.71 11.39 11.08 10.79
42 19.09 17.50 16.80 16.15 15.00 14.00 13.55 13.13 12.73 12.35 12.00 11.67 11.35 11.05
43 19.55 17.92 17.20 16.54 15.36 14.33 13.87 13.44 13.03 12.65 12.29 11.94 11.62 11.32
44 20.00 18.33 17.60 16.92 15.71 14.67 14.19 13.75 13.33 12.94 12.57 12.22 11.89 11.58
45 20.45 18.75 18.00 17.31 16.07 15.00 14.52 14.06 13.64 13.24 12.86 12.50 12.16 11.84
46 20.91 19.17 18.40 17.69 16.43 15.33 14.84 14.38 13.94 13.53 13.14 12.78 12.43 12.11
47 21.36 19.58 18.80 18.08 16.79 15.67 15.16 14.69 14.24 13.82 13.43 13.06 12.70 12.37
48 21.82 20.00 19.20 18.46 17.14 16.00 15.48 15.00 14.55 14.12 13.71 13.33 12.97 12.63
49 22.27 20.42 19.60 18.85 17.50 16.33 15.81 15.31 14.85 14.41 14.00 13.61 13.24 12.89
50 22.73 20.83 20.00 19.23 17.86 16.67 16.13 15.63 15.15 14.71 14.29 13.89 13.51 13.16
51 23.18 21.25 20.40 19.62 18.21 17.00 16.45 15.94 15.45 15.00 14.57 14.17 13.78 13.42
52 23.64 21.67 20.80 20.00 18.57 17.33 16.77 16.25 15.76 15.29 14.86 14.44 14.05 13.68
CAS (clock cycles) Lower latency means faster memory.

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