Windows 10: USB3 HDD slower in USB3 socket than powered USB2 socket

Discus and support USB3 HDD slower in USB3 socket than powered USB2 socket in Windows 10 Support to solve the problem; Hi there crazy --I have a laptop with 1 USB3 socket and 2 USB2 sockets. The USB3 socket is also a "charging" usb socket. Now if I plug a USB3 HDD... Discussion in 'Windows 10 Support' started by jimbo45, Nov 25, 2015.

  1. jimbo45 Win User

    USB3 HDD slower in USB3 socket than powered USB2 socket


    Hi there

    crazy --I have a laptop with 1 USB3 socket and 2 USB2 sockets. The USB3 socket is also a "charging" usb socket.

    Now if I plug a USB3 HDD (Toshiba) into a USB2 socket where I've connected a powered USB2 hub I'm getting copy speeds of around 76 mb/s. The same HDD plugged into the USB3 socket is only giving me speeds of around 30 mb/sec. I'm copying the same file from an internal SSD.

    So far I haven't seen any advantage in using the USB3 socket over a USB2 powered hub -- is this W10 not having proper USB3 support yet,

    Cheers
    jimbo

    :)
     
    jimbo45, Nov 25, 2015
    #1

  2. Lumia 950 usb

    My pc (windows 10) won't recognize my Lumia 950 via usb3 using the lead supplied with the phone. It does work if I reach round the back of the pc for the only usb2 socket. Do I have to settle for this slower connection on a 21st device?
     
    CraigHoughton, Nov 25, 2015
    #2
  3. Asus P8Z77-V LX Motherboard USB3 ports not recognised in Win 10

    I can't get Win 10 to recognise either the port or a USB3 device connected to it.

    I've applies the latest BIOS 2501 successfully and the BIOS sees the HP drive attached but, although HP Portable 1TB's light remains on , the Win 10 Device Manager neither sees it nor the port. The drive works fine on a USB2 port. I've tried to update divers
    using Devise Manager but all are "up to date"

    I have noticed that Show Hidden Devices show Unknown USB Device (Device Descriptor Request Failed). Properties says:

    Currently, this hardware device is not connected to the computer. (Code 45)

    To fix this problem, reconnect this hardware device to the computer.

    A request for the USB device descriptor failed.

    Tried update this driver and reconnecting the HP drive. Also tried this USB3 socket with a USB2 Flash Drive, this was also not seen.

    Seems like there's a problem with the Win 10 driver for the Asus P8Z77-V LX motherboard's USB3 ports.

    Any ideas what I can do?
     
    JohnMalpass, Nov 25, 2015
    #3
  4. edobson Win User

    USB3 HDD slower in USB3 socket than powered USB2 socket

    Have you checked to see if your USB 3.0 driver is up to date? Windows 10 definitely does support USB 3.0 so it sounds more like a driver or hardware issue.
     
    edobson, Nov 25, 2015
    #4
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USB3 HDD slower in USB3 socket than powered USB2 socket

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