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Toshiba · NAS drive · MN11ACA22TS

Toshiba N300 22TB

Toshiba N300 is Toshiba's line for home NAS boxes of up to 12 bays, which covers any 2- or 4-bay unit you're likely to put in the house.

Capacity
22 TB
Recording
CMR
Speed
7,200 rpm
Warranty
3 years
Workload
180 TB/yr
Rated for
Up to 12 bays
Failure rate
No failure data

Good for

  • A 2- to 12-bay NAS in a cupboard
  • RAID, SHR and ZFS rebuilds

Not for

  • Boxes with more than 12 bays
  • A desk or bedroom (7,200 rpm is the louder class)
  • Heavy daily writes (180 TB a year rating)

Updated 27 Oct 2026 · Method 2.0

Should you buy the N300 22 TB?

For a 2- to 12-bay box that lives in a cupboard it's a good fit, and 7,200 rpm gives it a bit more pace than the slower NAS drives. It's CMR, which is what you want anywhere near a RAID or ZFS rebuild.

Watch out for

Treat that bay rating as a hard limit. Anything larger wants a pro or data-centre drive. Warranty's three years and the workload rating is 180 TB a year. At 22 TB that's 8 full passes of the drive a year, and a monthly scrub uses twelve of them before you've written anything.

No Backblaze failure rate for this one. They don't run enough of them, if any, for a figure worth quoting. Toshiba lists 4.35 W at idle and 7.62 W working, which comes to 38 kWh a year for a drive that idles around the clock. Four of them in SHR or RAID 5 give 66 TB usable, or 60.0 TB once Windows has done its binary maths on it.