Western Digital unveils world’s biggest hard drive – 15TB

Western Digital has announced its new Ultrastar DC HC620 hard drive, which it said is the largest-capacity mechanical hard drive on the market.

The 3.5-inch drive uses shingled magnetic recording to increase density, delivering an impressive 15TB of storage capacity.

The hard drive features a rotational speed of 7,200RPM and either a SATA 6Gbps or SAS 12Gbps interface.

Western Digital said its new drive boasts a sustained transfer rate of up to 255MB/s and an average latency of 4.16ms.

The drive has a mean time between failures (MTBF) of 2.5 million hours and has an operating power consumption of 6.4W.

Western Digital has not yet announced the release date or pricing for the Ultrastar DC HC620.

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