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Toshiba MG10 vs WD Ultrastar DC HC560 20TB

There's nothing clear-cut between them on paper, so buy whichever's cheaper on the day.

Compared on 10 specs from the makers' datasheets and Backblaze's failure data, and a group only gets a winner when the gap between the two is clear-cut.

Side by side

SpecToshiba MG10WD Ultrastar DC HC560
Reliability Only the Toshiba MG10 is in Backblaze's data
Backblaze failure rateLifetime, 95% interval in brackets 0.79% (0.68%–0.90%) No data
Warranty and workload Level
Warranty 5 years 5 years
Workload ratingReads and writes a year 550 TB/yr 550 TB/yr
Where it fits Level
Line Data-centre Data-centre
Rated NAS bays Not stated Not stated
Recording CMR CMR
Noise and speed Level
Spindle speedFaster reads quicker, slower is quieter 7,200 rpm 7,200 rpm
Noise on the datasheetIdle / seeking, the maker's figure 20 / 32 dB 20 / 32 dB
Power The Toshiba MG10 draws less at idle
Power at idleMaker's average 4.38 W (better) 5.8 W
Power in useMaker's average 8.11 W 6.9 W (better)

The Backblaze figures are lifetime annualised failure rates (Source: Backblaze), and we only call reliability when the two 95% intervals don't overlap.