SK Hynix Canvas SC300 SSD Review

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Chris Ramseyer
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Chris Ramseyer was a senior contributing editor for Tom's Hardware. He tested and reviewed consumer storage.

  • mavikt
    One question that pops up when reading SSD benchmarks nowadays, especially the Real world software performance, is how much the SSD's are hamstrung by the SATA interface?
    I know I'll be aiming for an M.2 NVMe model when I get a new rig next year.
    Reply
  • mamasan2000
    How is PCMark real world?
    Try transfering files, one big file, tons of small etc
    Reply
  • CRamseyer
    The sequential write test at QD1 and QD2 show your large file transfers. The QD1 and QD2 random tests show what to expect when transferring many small files.

    We like to look well beyond simple file transfers. PCMark 8's Storage Tests are traces of actual workload. The trace is replayed in the software and does a very good job representing what you would reasonably expect in a real world environment.
    Reply
  • mavikt
    The rational for my question was that when looking at the "PCMark 8 Real-World Software Performance", World of Warcraft, Battlefield 3, Adobe, etc. all of them results are so alike across all the SSD's that it seems they're 'artificially' capped. Is that a SATA interface bottleneck we're seeing?
    Reply
  • CRamseyer
    Mavikt - There is more to it than just the SATA 6Gbps bus but you are on the right track. Sequential transfers (copy and paste type operations) can be limited by SATA with large block size loads.

    Most applications use small block size loads so performance can be limited by SATA's efficient overhead and Window's file system. This is why we test 4KB blocks and measure in IOPS.
    Reply