windows 7 - How to find HDD cache size?

08
2014-07
  • wizlog

    I Googled my HDD model number, and could only find the physical dimensions and the data transfer rate. Where can I find the HDD cache/buffer size?

    • Answers
  • Wei Shi

    I couldn't find the spec for cache either, even on their product website...

    But you can use HD Tune Pro to find out. In the [Info] section, there is a cache size. It's not a free software, but it has free-trial, which should be enough in this case. The newest version also contains a cache test.

  • Diogo

    Actually your true transfer rate will depends on the system that you are running it. For example, if your USB controler isn't too fast, your external hard disk will not reach its nominal transfer rate.

    I search for my HDD buffer size with Windows msinfo32 (type "msinfo32" on a cmd prompt) and on SIW software but I didn't find this specific information, However, I hope all of these specifications you will get on manufacturer datasheets, for Western Digital, you will find here (just search for your model part number). If you want to test the trully transfer rate of your external device, I would recommend you using HD Tune or HD Tach. Both are benchmark programs and will shows you detailed information about your device capabilities(SMART) and real rates.

  • Stoney

    Most, if not all, drives will have it written on their label. So if you can physically take a look at the drive, try that. If the drive is hard to reach and you have the model number you could do a Google Image search and probably find a picture of the label.

    The label of a WD 2.0TB drive with a 32MB cache


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  • Nick Dandoulakis

    On Firefox type about:cache on the url to browse the cache.

    I don't know if Internet Explorer has something similar but you can google for a cache viewer utility.

    For example: ie cache view utility.