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Western Digital Scorpio Blue 1TB Mobile Hard Drive Review
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by Rob Williams on August 17, 2011 in Hard Drives

Mobile warriors have their advantages, but storage isn’t one of them. It’s not uncommon to see desktop users with multiple TBs of hard drives, but notebook users tend to suffer with 500 or 750GB options. Western Digital, with its 9.5mm tall WD10JPVT, wants to change that – and trust us when we say that it’s well worth looking into.

Real-World: File & Folder Transfers; 7-Zip Archiving

To kick off our mobile HDD benching suite, we’ll start with what we consider to be one of the more important tests; real-world transfer speeds. Transferring files and folders on our PCs is about as common as using the PC in itself, so when one hard drive offers better performance than another in this regard, it’s hard to ignore.

For the sake of effectiveness, we use two separate sources for our transfer, both being 20GB in size. The first is a solid file, weighing in at 21,561,357,519 bytes. The second is a folder, containing 4,012 hand-picked files (500 MP3, 1,000 photo, 2,500 documents and 12 videos), weighing in at 21,565,118,587 bytes.

To calculate the throughput rate of each transfer, we begin our stopwatch at soon as we click “Paste” in our right-click menu, and once complete, we divide the total size of the ‘source in bytes’ by the ‘time required in seconds’ by ’1,048,576 bytes’ (eg: 21,565,118.587 / 250 seconds / 1,048,576 = 82.26 MB/s). We’ve opted to provide MB/s results in lieu of ‘seconds taken’ as we feel it’s easier to comprehend and is more useful overall.

Western Digital Scorpio Blue 1TB WD10JPVT

Thanks to its areal density boost, the 1TB Blue performs much better than the 750GB Blue in these tests, despite offering the exact same seek times and rotational speeds.

7-Zip Archiving

File and folder transfers are a given for those who use their computers for more than just e-mail, but for some, file archiving is just as common. Be it to save space or to backup a lot of files into a single one, archiving can be as storage-intensive as it is convenient.

To give our drives a proper test, we’ve created a 772MB folder filled with 39,236 highly compressible files, and once compressed, the result is a 142MB .7z archive. To take as much advantage of our test PC as possible, we utilize 7-Zip’s LZMA2 algorithm for compressing, as it’s able to utilize more than half of our available 12 CPU threads most of the time, in return increasing the stress on the hard drive.

Western Digital Scorpio Blue 1TB WD10JPVT

WD’s 1TB drive surpassed the performance of the 750GB in our transfer tests, but the tables turn here, with the 1TB falling to the back of the pack. This chart also gives us a perfect example of how WD’s Black drives compare to the Blue, where the performance boost from the Blue to the Black was about 13%.


  • danwat1234

    3 years later and still the Scorpio Black is stuck at 750GB …… sigh. But I think finally SMR and HAMR are starting to take off

    • http://techgage.com/ Rob Williams

      I think WD has basically replaced the Black with the Black2, which is the model that has 1TB of storage alongside 120GB of SSD storage. It’s the best of both worlds: A fast SSD for your OS and apps, and lots of storage for other things – all in a single drive.

      • danwat1234

        Well also, that is 1TB of storage with 2x500GB at 5400RPM, the same as the Scorpio Blue. Also 3 year old tech.
        At least Hitachi has the Travelstar 7K1000 (2x 500GB @ 7200RPM). Samsung should eventually release the 2TB version of their M9T (3x667GB/platter at 5400 RPM, 9.5mm).