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Western Digital CMR 3.5in

WD Red Plus 8TB

8TB

Model WD80EFPX

rpm
5,640
MB cache
256
TB/yr
180
yr warranty
3

WD Red Plus range, also in 4 TB, 6 TB, 12 TB

Is the WD Red Plus 8 TB right for you?

If the NAS lives in the lounge or a bedroom, this is the kind of drive you want, because 5,640 rpm is the slower and quieter class and a gigabit network runs out of puff long before the drive does. CMR, thankfully. SMR and parity rebuilds don't get on.

Watch out for

Treat that bay rating as a hard limit. Anything larger wants a pro or data-centre drive. You get three years' cover and a 180 TB a year workload rating, both on the light side if the pool's busy every day.

No Backblaze failure rate for this one, as they don't run it in big enough numbers. Four of them in SHR or RAID 5 give 24 TB usable, or 21.8 TB once Windows has done its binary maths on it.

Specifications

Each value links to the Western Digital page or datasheet it came from, and "Not published" means the maker doesn't list it there.

WD Red Plus 8TB specifications
Capacity 8 TB source for Capacity (documents.westerndigital.com, opens in new tab)
Spindle speed 5,640 rpm source for Spindle speed (documents.westerndigital.com, opens in new tab)
Recording technology CMR source for Recording technology (documents.westerndigital.com, opens in new tab)
Cache 256 MB source for Cache (documents.westerndigital.com, opens in new tab)
Interface SATA 6Gb/s source for Interface (documents.westerndigital.com, opens in new tab)
Form factor 3.5in source for Form factor (documents.westerndigital.com, opens in new tab)
Workload rating 180 TB/yr source for Workload rating (documents.westerndigital.com, opens in new tab)
MTBF / MTTF 1,000,000 hours source for MTBF / MTTF (documents.westerndigital.com, opens in new tab)
Rated for NAS bays (max) 8 bays source for Rated for NAS bays (max) (documents.westerndigital.com, opens in new tab)
Warranty 3 years source for Warranty (documents.westerndigital.com, opens in new tab)

Sources: documents.westerndigital.com

Failure rate

There's no Backblaze figure for this one. We only publish a rate with at least 60 drives and 50 drive-years behind it, because below that the error bars are too wide to tell you anything. The reliability page has every model that clears the bar.