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Western Digital WD RE 4TB review: first 4TB disk from WD

This is the first 4TB disk from WD and is meant to be used in servers

Western Digital WD RE 4TB

After more than six months there are finally some more options among 4 TB disks. With the Western Digital WD RE 4TB, WD has created a high-performance 4TB for servers. If you're looking to fill a server with as much storage capacity as possible, then the Western Digital WD RE 4TB is your hard disk.

In May, Hardware.Info tested the first 4TB hard disks, the 7K4000 and 5K4000 from Hitachi. At the time we had hoped that the two other players, Seagate and Western Digital, would also come with their first 4TB disks. That took a lot longer than we expected, but WD does have its first 4TB on the market now, in the shape of the WD RE 4TB for servers. Hardware.Info tested it to find out what it's capable of. See all storage reviews.

Hitachi used five 800GB platters for its 4TB hard drive, but WD uses four 1TB platters. The higher data density could in theory improve the performance. WD does not yet have a consumer 4TB disk, but a Western Digital Caviar Black 4TB has been announced. See all Storage Buying Advice.

The WD RE we tested is an Enterprise disk, optimised and validated for workstations and servers in particular. It carries an Enterprise-worthy pricetag of £323, quite a bit higher than the £213 Hitachi 7K400.

The 7200rpm disk uses a Serial ATA 600 interface and has 64 MB of cache memory, and is also available as a SAS model. WD gives five years of warranty, and the MTBF of the enterprise disk is 1.2 million hours. The improved reliability is provided by things such as anti-vibration and by a technology that ensures that the read/write head never physically touches the platters. They also have a feature that prevents them from falling out of a RAID array when they are recovering data.

This hard disk is not suitable for consumers. Not only because of the high price, but also because this hard disk isn't very energy-efficient, plus it's loud. We are looking forward to the consumer model, the Caviar Black 4TB, which should arrive at any moment. If you're looking to fill a server with as much storage capacity as possible, then the Western Digital WD RE 4TB is your hard disk.

To find out how this hard disk performs, read the full review on Hardware.Info.

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