Seagate Barracuda Pro 12TB review: the biggest hard drive ever

A monstrous amount of storage in a single 3.5" drive

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Test results: Atto Random Read

We use Atto to measure how well the drives can process random read- and write commands. We do so using both small block sizes (4 kB) and large block sizes (1 MB). The 4 kB speeds are mainly intended to provide insight in how well the drive performs when used as a disk for your OS and other programs. The 1 MB tests, on the other hand, offer insight in how well the drive performs when storing files of limited size.

In the Atto read tests we find that the Barracuda Pro 12TB consistently has the longest bar.


Product discussed in this review

  Product Lowest price

Seagate Barracuda Pro 12TB

Hard disk, 12000 GB, 7200 rpm, Serial ATA 600, 248 MB/s, 3.5 inch

Specifications Test results Reviews Prices

£402.99

Avg. £417.88
8 shops, 6x stock

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