MS Says AF 512e HDD's Are Not Supported in Win10?


  1. jaydub
    Posts : 8
    Windows 10
       New #1

    MS Says AF 512e HDD's Are Not Supported in Win10?


    According to Microsoft Knowledge Bulletin at https://support.microsoft.com/en-us/kb/2510009
    Advanced Format 512e (512b emulation layer on top of 4k sector size) HDD's are not supported in Win10. How is that possible. It is the most common format for current generation large capacity drives. The only alternatives are 512n (512b logical and physical), which is legacy old and doesn't seem to go above about 4TB's, and 4Kn (4k logical and physical) which is seen mostly as an option on enterprise drives and still pretty uncommon. Any ideas?
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  3. Caledon Ken
    Posts : 30,189
    Windows 11 Pro x64 Version 23H2
       New #2

    While this is an older article it appears this transition has been on the board for years. You likely have seen articles like this, I hadn't until I saw your post and wanted more info.

    Transition to Advanced Format 4K Sector Hard Drives|Seagate
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  4. Berton
    Posts : 14,020
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       New #3

    That Seagate page and others on their site are screwed up, their popup about signing up covers quite a bit of the information making it essentially useless.
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  6. Caledon Ken
    Posts : 30,189
    Windows 11 Pro x64 Version 23H2
       New #4

    Interesting. Sounds like you weren't provided an x to Hide form, I was. I'm using Chrome.
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  7. Berton
    Posts : 14,020
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       New #5

    I mostly use Firefox, if there is an X for closing it is hiding behind their top banner. It does go into hiding once I get about halfway down the page.
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  8. clam1952
    Posts : 856
    Windows 10 Pro 21H2 build 19045.2193 Dual Boot Linux Mint
       New #6

    No problem seeing the X here with Firefox, try Ctrl + mousewheel and shrink it a bit get the X then.
    Interesting info though and something I wasn't aware had changed.
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