Hard disks these days are complex – and WD is no stranger to these complexity. Over the years, WD had pinpointed the multiple different uses of hard disks in its day-to-day basis, be it for the consumers on their desktops and laptops, high performance needs for low latency, or constant writing of data, constant reading, or occasional reads and writes.
WD classified all of these uses into specific colour codes – so you’ll have WD Blue for PCs, WD Black for performance, WD Purple for surveillance systems, WD Red for NAS storages, and WD Gold for data centers – and the last one is where WD has enhanced even further now.5 million hours.

WD is not playing around with the WD Gold, and they offered their premium 24/7 support line for WD Gold customers, and they’re offering them to all of their 8TB, 6TB, and 4TB variants of the WD Gold hard disks.
As the end note, these are the new model numbers for the enhanced WD Gold hard disks.
- 8TB : WD8002FRYZ
- 6TB : WD6002FRYZ
- 4TB : WD4002FYYZ (this one is slightly different than the other 2)
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