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Internal SATA2 HDD vs External USB3 HDD

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  • Internal SATA2 HDD vs External USB3 HDD

    Just want some opinions from experts or at least knowledgeable in HDD & benchmarks.

    From the following screenshots, is the external Transcend StoreJet 1TB USB3.0 as fast as the Western Digital Caviar Blue 640GB SATA2 (connected to SATA3 port; bought in 2008)? Or worse? Or a mixed bag?

    I noticed both Transcend & WD's scores are mixed. Good or bad?

    Sequential, random, 512K, 4K... Not sure what it all really means. All I know these are the software that are used to benchmark hard drives.


    ATTO Disk Benchmark 2.47:

    Western Digital Caviar Blue 640GB SATA2 vs Transcend StoreJet 1TB USB3.0


    CrystalDiskMark 3.0.1:

    Western Digital Caviar Blue 640GB SATA2 vs Transcend StoreJet 1TB USB3.0
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