Official GIGABYTE Forum

Z77x ud3h usb data transfer very very low

Z77x ud3h usb data transfer very very low
« on: September 27, 2013, 12:47:41 pm »
Hello all!,im new here in this forum,(sorry for my english)
I bought a new pc few months ago..

Z77x-ud3h
3570k
2x 7970 gigabyte oc
8gb kingston 1600
xfx pro psu


Since i have installed all,ive got problems with usbs..

with win7 64 and win8 64.

Sometimes i need to unplug my mouse and plug in to recognize.And allways my data transfer to a pendrive are 4.0mb/s, usb2.0 or 3.0,allways getting this speed,more than 6 pendrives tested,and all of the pendrives tested in other PC and work correctly.

Ive download all drivers from gigabyte web,and update bios to last version,nothing happens.

Please help me,i am thinking to rma my mobo

Re: Z77x ud3h usb data transfer very very low
« Reply #1 on: September 28, 2013, 01:29:12 pm »
Did you select ACHI instead of IDE in the bios ?

Re: Z77x ud3h usb data transfer very very low
« Reply #2 on: September 29, 2013, 12:30:54 am »
Did you select ACHI instead of IDE in the bios ?

all in ahci.

this images for more info



This is a Sandisk usb 3.0 32gb Pendrive


« Last Edit: September 29, 2013, 12:32:10 am by copo123 »