Seagate IronWolf Pro 6 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 IronWolf Pro 6 TB was 15% faster than the WD Red Pro 5 TB.

The results in the sequential write test were pretty much the same; the IronWolf Pro 6 TB was 14% faster than the WD Red Pro 5 TB.

In the random read test using 512 kiB blocks, the IronWolf Pro 6 TB performed similarly to the WD Red Pro 5 TB.

Moving on to the random write test using 512 kiB blocks, the IronWolf Pro 6 TB was 16% faster than the WD Red Pro 5 TB.

In the random read test using 4 kiB blocks, the IronWolf Pro 6 TB was 8% faster than the WD Red Pro 5 TB.

In the random write test using 4 kiB blocks, the IronWolf Pro 6 TB was 164% faster than the WD Red Pro 5 TB.

In the random read test using 4 kiB blocks and queue depth of 32, the IronWolf Pro 6 TB was 15% slower than the WD Red Pro 5 TB.

In the random write test using 4 kiB blocks and queue depth of 32, the IronWolf Pro 6 TB was 178% faster than the WD Red Pro 5 TB.