Toshiba MG10 (MG10ACA20TE) 20TB HDD Review

Rating: 8.0.

Replacing the 18TB drive as the flagship of Toshiba's MG10 enterprise focussed hard drive family is the new 20TB model which uses Toshiba’s fourth-generation, 10-disk Helium-sealed design. Priced at £360 here in the UK, we find out what sort of performance is on offer from this behemoth HDD.

The 20TB Toshiba MG10 (MG10ACA20TE) is the latest flagship drive for the MG product line, taking over from the 18TB drive. The three-capacity MG10 product line is completed by a 16TB  entry model. The 20TB drive uses Toshiba's fourth-generation ten disk / twenty head platform, using 2TB platter technology. It has a spindle speed of 7,200rpm and a 512MB cache. Toshiba quote a maximum sustained transfer rate of 268MB/s for the drive.

The official power consumption figures for the drive are 8.11W when operating (Random 4K read/write) and 4.38W in active idle. These are up slightly from the previous flagship 18TB drive; 7.86W active, 4.17W active idle.

Toshiba quote an annual workload figure of up to 550TB/year for the 20TB drive and back it with a 5-year warranty.

Physical Specifications:

• Usable Capacities: 20TB.
• Spindle Speed: 7,200rpm.
• No. Of Heads: 20.
• No. Of Platters: 10.
• Cache: 512MB.
• Recording Method: Conventional Magnetic Recording (CMR) / FC-MAMR (Flux-controlled microwave-assisted magnetic recording).
• Interface: Serial ATA (SATA) 6Gb/s (SATA III)
• Form Factor: 3.5in
• Dimensions: 101.85 x 26.1 x 147.0mm.
• Drive Weight: 720g.

Firmware Version: 0102.

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