WD Scorpio Black 750GB & Scorpio Blue 1TB

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HD Tune Performance

While not entirely indicative of real world performance, HD Tune does give us a glimpse into a hard drive's inner workings. Its transfer rate benchmark measures speed across the entire disk, giving us an idea of how fast it is over its entire span.

According to HD Tune, the Black's read speed is superior across the entire drive and remains fairly steady until it's about halfway full while the Blue's read speed drops fairly linearly. Access times were the same and were not effected by Automatic Acoustic Management settings either (we noticed no acoustic, power or performance difference when AAM was enabled and changed to the quietest setting).

Compared to other drives, the Scorpio Black fares well, just a notch below a couple of Western Digital's desktop hard drives, the WD10EALS and WD20EARS. The Scorpio Blue is middle of the pack for a laptop drive, edged out by the Momentus 750GB.

Real World Performance

A Windows 7 image loaded with our test suite was cloned to a 50GB partition at the beginning of each drive and our entire test suite was run start to finish 3 times with a reboot and defragmentation in between runs except for the Momentus XT (defragmentation resets optimizations made to the XT's flash memory). Average times were collected for comparison.

The Scorpio Black booted up and loaded games quicker than all the other notebook drives we tested save for the Momentus XT, which has a natural advantage in these types of test: its 4GB of SLC cache. The Scorpio Blue 1TB beat out the older 500GB model but was edged out by the Momentus 750GB.

In application performance the Scorpio Black surprisingly beat out all comers, even the desktop Caviar Blue 1TB. Unfortunately the Scorpio Blue could not boast the same, posting a dismal time in ExactFile resulting in a very poor standing.

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