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PCI-E USB 3.0 and SATA III Card worth it?

Hi guys,

I am currently having a i7 920 D0 which is a excellent overclocker. Been doing 4.2 Ghz for years now without troubles. I don't want to upgrade my RIG currently and hence I was considering upgrading my x58 motherboard (DX58SO) to support USB 3.0 and SATA III by using a PCI-E Card.

I have an Intel SSD which is SATA III 6Gbps compatible which I am using on SATA 2 with acceptable performance. Prior to purchasing a PCI card, I wanted to ask few questions.

Here is what I need.
1. USB 3.0 support with ability to connect 20pin front panel header. (I don't want to move my hefty HAF-X to plug in USB devices at the back of my Tower)
2. SATA III 6Gbps support for SSD.

Which googling around, I was able to come across a PCI-E 1x card which is capable of all the features that I need. However, I was concerned if the PCI-E 1x bandwidth would be enough to support my SSD and also another 3.0 USB device. I don't want to end up creating a bottleneck which would slow down the SSD to SATA 2 speeds and USB 3.0 device to USB 2.0 speeds. So far I was not able to come across a PCI-E 4x card which supports USB 3.0 and SATA 3 and has 20pin header for front panel.

Is it worthwhile to purchase 2 cards (PCI-E 4x SATA and PCI-E 1x USB 3.0) or is it better to purchase any one of the card assuming I get acceptable performance gains? I have heard stories that most of the SATA 3 PCI cards degraded performance over integrated SATA 2.

Thanks in advance!
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More about pci usb sata iii card worth
  1. Best answer
    If you're booting from the SSD, did you verify that inexpensive controller includes a BIOS? I also have an Intel SSD connected to a SATA II port (my motherboard doesn't have SATA III ports) and I decided not to buy a controller because I doubt it's worth it unless one runs benchmarks. An add-on controller usually isn't as fast as a new motherboard with SATA III ports.
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