3.5" sata usb 3.0 cable

Discussion in 'Hardware Discussion' started by Mikhail000, Oct 5, 2016.

  1. Mikhail000

    Mikhail000 New Member

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    Does anyone where I can find a cheap one?
    What's the difference between a 3.5" and 2.5" cable if the sata connecter is the same anyway
    :confused: are 3.5" drives supplied more power or something? I know some have a extra molex connecter but isn't that optional?
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  3. Yeloazndevil

    Yeloazndevil Administrator Staff Member

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    2.5" hdd and ssd can be powered over USB fine, 3.5" hdds needs more power than the usb port can provide so for 3.5" you would need a hdd dock or enclosure

    like this it also has a version with usb 3.1 type c
  4. Mikhail000

    Mikhail000 New Member

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    I can't really afford a enclosure or dock atm, is their nothing that'd power
    it like a usb splitter cable on the same cable like older non self portable hdds?
  5. Yeloazndevil

    Yeloazndevil Administrator Staff Member

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    3.5" hdd need at least +5V to function usb3.0 provides 4.5w which isn't enough. you can get sata to usb 3.0 adapters but must are near $20
  6. Mikhail000

    Mikhail000 New Member

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    I meant to power it off 2 usb ports, the one it's transfering the data through and another, so it'd be either usb 2.0 x2 or usb 2.0 + usb 3.0
  7. Yeloazndevil

    Yeloazndevil Administrator Staff Member

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    usb3.0 y cables do exist, would it work? who knows
  8. Mikhail000

    Mikhail000 New Member

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    Last edited: Oct 6, 2016
  9. Mikhail000

    Mikhail000 New Member

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  10. ElijahTW

    ElijahTW NGemu Award Winner Award Winner!

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    2.5" drives are powered entirely off of 5V which is what USB outputs, but 3.5" drives use both 5V and 12V.

    Long story short, you won't be able to power a 3.5" drive from a USB port alone. (With the exclusion of USB-C ports, which I believe can provide 20 volts @ 5 amps.)
  11. Mikhail000

    Mikhail000 New Member

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    Is their anyway I can check how much each port / interface supplies?
    how about running a extension cable from my 2.5" sata ultrabay caddy?
    or is my laptop motherboard only likely to supply 5v?
    I also have an eSATA port.
    Last edited: Oct 6, 2016
  12. ElijahTW

    ElijahTW NGemu Award Winner Award Winner!

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  13. Mikhail000

    Mikhail000 New Member

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    I'd need one with a UK plug.
    Code:
    http://www.ebay.co.uk/itm/USB-3-0-to-SATA-22pin-Data-Power-Cable-Adapter-for-3-5-2-5-SATA-HDD-2-5-SSD-/162181232475?hash=item25c2c1375b:g:pWUAAOSw-itXv-h0
    cheapest option so far around £11
    Last edited: Oct 6, 2016
  14. Mikhail000

    Mikhail000 New Member

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    Got the I one mentioned above it's working perfect for the sata II 1tb hdd connected to it, even works on my wii for games and my tv for recording 1080p, Wii games actually booting faster than the 2tb usb 3.0 wd elements hdd I had previously connected to the Wii :)
    I think I got conned with the hdd though it's showing as bad in smart health something about allocation size, so either the hdd is on it's way out or the apdater gives it the wrong values, I'm just going to save stuff on it temp incase it dies along with all my wii games since I can just redump them from the original dvds. The write speed of the hdd is terrible though around 10MB vs it's 78MB read so something is wrong somewhere.

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