Seagate IronWolf Pro 20TB HDD Review

In our throughput tests, the 20TB IronWolf Pro finished the read run at 273MB/s, a little shy of the official maximum of 285MB/s. Writes were further back at 255MB/s.

In the read throughput test, the drive peaked at the end of the test (16MB block mark) at 273.21MB/s.

In the write throughput test, the 20TB IronWolf Pro peaked at the 8MB block mark at 272.05MB/s before dropping back to finish the test run at 255.05MB/s.

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