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  1. #1
    Junior Member

    Maximum write speed to SDXC card

    What is the maximum speed a D7500 can write to an SDXC card? I understand it can also write to UHS-II cards, just not at full speed. I am wondering if there is any benefit to using UHS-II cards over UHS-I.


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  2. #2
    Staff
    Super Mod
    Don Kuykendall's Avatar

    Re: Maximum write speed to SDXC card

    I have been using SanDisk Extreme Pro 32GB SDHC UHS-I Cards in my D750 for the faster Write speeds. Most cards you see only list the read speed. In other words how fast they can transfer to the computer. We don't care about that The write speed controls how fast you can write to the card. Good for keeping the buffer as empty as you can so you can shoot faster.

    The card I referenced


    • Read speeds of up to 95MB/s; write speeds of up to 90MB/s
    • UHS speed Class 3 (U3) and video speed Class 30 (V30) for 4K UHD video

    ================================================== ============================
    D750***D7100***24-120 f/4 ***70-300***Tamron 150-600***Tokina 16-28 f2.8***50mm f/1.8***Photoshop/Lightroom CC

  3. #3
    Senior Member
    Bikerbrent's Avatar

    Re: Maximum write speed to SDXC card

    Welcome aboard. Enjoy the ride.
    We look forward to seeing more posts and samples of your work.
    Brent Harritt: Poway, CA: D7200, D200, D70, F100: Tokina 12-24mm, Nikon 18-200mm, Sigma 150-600mm, Nikon 18-70mm, Tokina 28-70mm f2.6-2.8, Nikon 50 f1.8, Nikon 80-200mm f2.8, Tokina 100mm f2.8 Macro

  4. #4
    Senior Member
    mikew's Avatar

    Re: Maximum write speed to SDXC card

    Welcome to the forum.are you thinking about getting a D7500 and wondering about your current cards,you probably wouldn't notice the difference in normal shooting between most cards,but with the D7500 only having one slot i think i would get a new card and that would be the one Don mentioned.
    Mike

    Nikon D500,Sigma 100-400,Sigma 105 macro

    Nikon 1 V2,FT-1,10-30mm 30-110mm Viltrox extension tubes








  5. #5
    Senior Member
    lokatz's Avatar

    Re: Maximum write speed to SDXC card

    Couldn't find any details on the U.S. site, but at least on the German website, Nikon explicitly shows the D7500 as UHS-I compatible, with no mention whatsoever of the faster UHS-II standard. That means that if you use a UHS-II card in the camera, it will work but give you no advantage. I would therefore not spend the extra money.
    Last edited by lokatz; 09-05-2017 at 11:18 AM.
    Nikon D700 - D500 - D7100 - 300mm F4 PF - 55-200mm F4-5.6 - 50mm F1.8 - TC-20E III; Sigma 17-70mm F2.8-4; Tokina 12-28mm F4; Tamron 60mm F2 Macro; Yongnou YN568; Panasonic TZ101 (a.k.a. ZN100); Photoshop CS6 - Lightroom 6 - DXO Optics Pro 11


  6. #6
    Senior Member
    lokatz's Avatar

    Re: Maximum write speed to SDXC card

    A good place to compare card speeds is this one, by the way.
    Nikon D700 - D500 - D7100 - 300mm F4 PF - 55-200mm F4-5.6 - 50mm F1.8 - TC-20E III; Sigma 17-70mm F2.8-4; Tokina 12-28mm F4; Tamron 60mm F2 Macro; Yongnou YN568; Panasonic TZ101 (a.k.a. ZN100); Photoshop CS6 - Lightroom 6 - DXO Optics Pro 11


  7. #7
    Senior Member
    Ironwood's Avatar

    Re: Maximum write speed to SDXC card

    I read somewhere that in the camera you will only get UHS-1 speeds, but you will get the UHS-2 transfer speed to your computer if you have the compatible card reader.
    Brad


    Every Day might not be a good Day,
    ​ but there is something good in every Day.

  8. #8
    Senior Member
    lokatz's Avatar

    Re: Maximum write speed to SDXC card

    Quote Originally Posted by Ironwood View Post
    I read somewhere that in the camera you will only get UHS-1 speeds, but you will get the UHS-2 transfer speed to your computer if you have the compatible card reader.
    That doesn't sound right. Nikon states that the D7500 has a "Hi-speed USB" connection, which is a clever way of concealing the fact that the camera supports only USB 2.0 (Hi-speed) but not 3.0 (SuperSpeed). USB 2.0 has a maximum data transfer rate of 40 MB/s, which is already lower than the UHS-I maximum of 50 MB/s (versus the theoretical UHS-II max of 312 MB/s). Accordingly, the USB connection is the bottleneck and using UHS-II cards will not speed up your image transfer to the computer.
    Nikon D700 - D500 - D7100 - 300mm F4 PF - 55-200mm F4-5.6 - 50mm F1.8 - TC-20E III; Sigma 17-70mm F2.8-4; Tokina 12-28mm F4; Tamron 60mm F2 Macro; Yongnou YN568; Panasonic TZ101 (a.k.a. ZN100); Photoshop CS6 - Lightroom 6 - DXO Optics Pro 11


  9. #9
    Senior Member
    Ironwood's Avatar

    Re: Maximum write speed to SDXC card

    I won't argue with you about it, because I don't remember the details, and I read it on the internet, and you can't believe everything you read.
    I'll have a bit of a look around and try and find the story, but I won't be holding my breath.
    Thanks/Like lokatz Thanks/liked this post
     
    Brad


    Every Day might not be a good Day,
    ​ but there is something good in every Day.





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