Z68X-UD5-B3 with F10 bios USB3 ports run at USB2 speed?

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harmaes

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Hi,

I recently bought a T1 1TB USB 3 SSD disk from Samsung. It works nice and fast on my laptop's USB 3 ports but on my desktop with a Z68X-UD5-B3 motherboard I can't get the USB 3 ports to run at USB 3 speed. Current speed is around 30Mb which is way too low. I tried all sorts of bios settings (F10 is the latest bios) but it doesn't make a difference. I'm running Windows 10 64bits which has a build in driver for USB3. Are there any other things I could try?

I'm considering buying an USB 3 PCIe card. Any experience with that? Does that increase USB3 performance?

Thanks!
 
Solution
Gallarian
I don't have any experience with them, but in theory it will make use of the extra bandwidth the PCI lane has to offer to eliminate any bottlenecks, which should allow you to get the most out of a USB3.0 device, so it's worth a shot if you move data to and from an external HDD a lot.

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Gallarian

Gallarian

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The most common cause for USB 3.0 ports not working properly: drivers.

Ensure you have the very latest drivers for your motherboard's 3.0 ports and run your tests again :)

If you already have the latest ones, check for any firmware updates for the board itself.

 
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harmaes

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Thanks for your quick reply. I've tried the blue front connectors and blue back connectors that are straight on the board. The latter should work at USB 3 speed.

 
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harmaes

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The FW for the board can't be updated past F10. I have the default Windows 10 driver. There's no W10 specific driver. I could try the Windows 8 driver but I doubt if that would improve the situation?
 
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Gallarian

Gallarian

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In that case, you should definitely try and install the Win7 or 8.1 drivers from the Gigabyte website. You a much more likely to succeed with drivers that were designed for your exact board on a later OS, than with generic drivers.

 
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harmaes

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Thanks!
Tried it but didn't improve the speed.
I will go and try a PCIe USB3 card. My 16x PCIe slot is taken by my Graphics card so I only have an 8x for the USB 3 PCIe. What can I expect speed wise with that card? Any experiences?

 
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Gallarian

Gallarian

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I don't have any experience with them, but in theory it will make use of the extra bandwidth the PCI lane has to offer to eliminate any bottlenecks, which should allow you to get the most out of a USB3.0 device, so it's worth a shot if you move data to and from an external HDD a lot.

 
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harmaes

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