PC World (2019-04)

APRIL 2019 PCWorld 73

A big problem when the 1TB P1 writes more than

50GB at a time.

4K W(64 threads)rite

4K Write

4K Read(64 threads)

4K Read

AS SSD 2.0 4K Performance

(10GB/MBps)

LONGER BARS INDICATE BETTER PERFORMANCE

327

82

364

21

37

1,925

138

1,680

26

919

140

658

33

2,082

132

1,147

Samsung 970 Evo Plus

Crucial P1

WD Black NVMe SN750

Samsung 860 QVO (SATA)

No problem for the 1TB P1 when copying less than
50GB.

included the SATA drive to show just how
much you’ll gain simply by moving to NVMe
from SATA. Keep that in mind with all our
NVMe reviews: Even the slowest is faster than
SATA by a healthy margin.

It was only during the 450GB write test,

which we regularly run to see how things

proceed when the cache runs out, that the

drive slowed down—tragically.

By tragic, I’m talking roughly 95MBps, or