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DDR4 RAM list

All memory modules, sorted by increasing latency

Bandwidth
Latency, ns
Read speed, GB/s
Write speed, GB/s
621
Latency
24
Read speed
16.6
Write speed
14.0
622
Latency
24
Read speed
16.4
Write speed
11.7
623
Latency
24
Read speed
14.5
Write speed
9.5
624
Latency
24
Read speed
16.4
Write speed
11.8
625
Latency
24
Read speed
15.3
Write speed
10.3
626
Latency
24
Read speed
21.0
Write speed
17.8
627
Latency
24
Read speed
13.8
Write speed
6.7
628
Latency
24
Read speed
16.8
Write speed
11.6
629
Latency
24
Read speed
22.7
Write speed
18.6
630
Latency
24
Read speed
17.0
Write speed
13.7
631
Latency
24
Read speed
19.8
Write speed
16.4
632
Latency
24
Read speed
15.4
Write speed
11.9
633
Latency
24
Read speed
13.7
Write speed
6.5
634
Latency
24
Read speed
15.0
Write speed
11.3
635
Latency
24
Read speed
14.7
Write speed
8.6
636
Latency
24
Read speed
17.4
Write speed
13.6
637
Latency
24
Read speed
17.9
Write speed
13.6
638
Latency
24
Read speed
15.9
Write speed
12.4
639
Latency
24
Read speed
15.7
Write speed
12.3
640
Latency
24
Read speed
16.8
Write speed
13.3


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