Western Digital VelociRaptor WD6000HLHX

The WD6000HLHX is the latest iteration of Western Digital's 10,000rpm Serial ATA drive. The drive was originally designed for enterprise use

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Western Digital VelociRaptor WD6000HLHX You can have the WD6000HLHX with either 450GB or 600GB of capacity
By  Jason Saundalkar Published  November 1, 2010

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Key Specs

Cache: 32MB
Capacity: 600GB
Data transfer rate: 136.2MB/sec average
Form factor: 3.5-inch
Interface: Serial ATA

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Our WD6000HLHX drive is the latest update and brings the maximum capacity up to 600GB. (Its predecessor topped out at 300GB.)

Retailing for US $329 or $0.55 per gigabyte the VelociRaptor is an expensive buy. WD's own 7200rpm 1TB Black Edition drive retails for just $0.16 per gigabyte. If you want the new VelociRaptor and can't afford the 600GB variant's sticker price however, you can opt for the less expensive 450GB, which retails for $299 or $0.66 per gigabyte. That said the 600GB drive gives you more value-for-money.

As before the VelociRaptor uses a 10,000rpm spindle motor and to ensure smooth data flow, it is equipped with 32MB of buffer memory. This drive also uses the new 6Gb/sec Serial ATA interface though this is largely overkill in a single drive scenario.If you intend to run a RAID array however this will reduce bottlenecks.

Our 600GB VelociRaptor managed an average read speed of 136.2MB/sec in our HDTach 3 benchmark. The 300GB VelociRaptor managed a speed of 110MB/sec by comparison. The drive also managed a random access speed of 7.0ms, 0.1ms quicker than its counterpart. Comparing the drive to entry-level SSDs, it is almost as quick as these drives though the SSDs feel more responsive because of their much lower random access performance.

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