USB3 Upgrade For 3,1 2008 Mac Pro

Discussion in 'Mac Pro' started by mtnhome, Jan 31, 2014.

  1. mtnhome macrumors newbie

    Jan 20, 2014
    My 4 HDD bays are full... WD & SG. 1 optical bay open.

    What's the best way to get power connection to PCIe USB 3 card?

    Is the Optical bay my only choice?

    What kind of cable will I need?

    Probably going with Anateck, Sonnet or Anker PCie card.

    Seems their cables are meant for an open HDD Sata slot.

    Do I have to worry about Power Supply issues?

    Save for the 4 HDD's, an ATI 5770 VC and 14G Ram the Mac is a standard Quad.
  2. mtnhome thread starter macrumors newbie

    Jan 20, 2014
  3. Gav Mack, Jan 31, 2014
    Last edited: Jan 31, 2014

    Gav Mack macrumors 68020

    Gav Mack

    Jun 15, 2008
    Sagittarius A*
    It's all there, links to power extensions guides the lot. A 2 port you can get away with no power but if you use PCIe SSD cards or wish to in future you should have a cable run anyway. Mine in my 3,1 goes from lower ODD and splits three ways to my solo x2 with twin 840 evo's in slot 2 and the Inateck USB 3.0 card in slot 4.

    The x2 hosting an SSD (two with thermal sticky pads in my case) frees my sleds up for spinning disks.

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