IOMeter - 4k Random Performance with QD
In 4k random read, we find the HGST NAS a bit quicker than the WD Black in higher QD.
With 4k random write, you can see the HGST NAS is the top performing 4TB solution in our charts.
IOMeter - Sequential Performance with QD
Sequential read has the WD Black taking the top spot back from the HGST NAS, which in turn holds onto second above the WD Red and Seagate NAS.
With sequential write, we see more of the same; the HGST NAS comes in ahead of both other NAS drives.