Western Digital WD Red Pro 5 TB Hard Drive Review

CrystalDiskMark

We used CrystalDiskMark’s default configuration for our tests, which benchmarked each hard drive using a file size of 1,000 MB with five test runs.

In the sequential read test, the WD Red Pro 5 TB was 21% faster than the WD Black 4 TB.

The results in the sequential write test were pretty much the same; the WD Red Pro 5 TB was 24% faster than the WD Black 4 TB.

In the random read test using 512 kiB blocks, the WD Red Pro 5 TB was 10% faster than the WD Black 4 TB.

Moving on to the random write test using 512 kiB blocks, the WD Red Pro 5 TB was 24% faster than the WD Black 4 TB.

In the random read test using 4 kiB blocks, the WD Red Pro 5 TB was on a technical tie with the WD Black.

In the random write test using 4 kiB blocks, the WD Red Pro 5 TB was 42% faster than the WD Black 4 TB.

In the random read test using 4 kiB blocks and queue depth of 32, the WD Red Pro 5 TB was 36% faster than the WD Black.

In the random write test using 4 kiB blocks and queue depth of 32, the WD Red Pro 5 TB was 48% faster than the WD Black 4 TB.