Sata2 to USB 3.0

Michael Kane

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Jul 5, 2013
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I am fully aware this is an odd question. I am attempting to create a low cost USB connection for my computer. It has extra Sata II slots and my USB 2.0 has never worked so the transfer speeds of USB 1.0 (30-35Mb/s) is difficult to bear. I realize USB 1 is about 30mbit/ 2 is about 100 mbit / 3 is about 500mbit / 3.1 is about 10gbit.

I have an enclosure that converts my external drives to USB. So it got me thinking. If i connect my sata II onboard directly to a USB it should work the same?

Just looking for an easy way to utilize my extra Sata II connections and speed up my USB file transfer since all i can run is 1.0.

In case you were curious the motherboard im sporting is a Biostar ta790GX3 A2+.

Found here: http://www.biostar.com.tw/app/en/mb/introduction.php?S_ID=376#specification

And how i would love to have 3.1 speeds, i know i wont get 10gbit out of the port, most i can get from crystaldisk on the hynix ssd i have is 275mbit, which if i could get even HALF of that through a usb connection i would love it.

Thanks in advance, and weather you do or dont respond have a happy new year!
 

Michael Kane

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Jul 5, 2013
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10,510
I am using the first PCIE 2.0 x8 for my video card and the 2nd PCIE 2.0 will be using the hard drive. So no i cant use an expansion slot. If theres no way to utilize the Sata as USB then i guess ill have to find another solution or live with 1.0 speeds.

EDIT: i noticed you chose one that uses the pci x1 slot. I removed that as an option with the expectation that using only x1 wouldnt get more than 100mbit,
will that get anywhere close to a 3.0 speed?

Follow up EDIT: So if i go the route you suggested, i would want to have it connect to my current USB's on the case.

https://www.amazon.com/Syba-SD-PEX20139-Port-Pcie-Card/dp/B00965J5UG

and

https://www.amazon.com/SIENOC-USB3-0-Female-Motherboard-Adapter/dp/B00O0HC3Y0/ref=pd_sim_147_2?_encoding=UTF8&psc=1&refRID=TXAY3X94MP4XHT6AXZQK

i can get 2.0 out of my case connections and 3.0 out of the new ones off the board.
 


PCIE 2.0 single lane (x1) speed is 5GT/s so you will get the same bandwidth as USB 3.0.

The one I linked also has an internal header for case ports etc.
 

Michael Kane

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Jul 5, 2013
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Thanks for the help, purchased your solution. I really hate having extra equipment if i can avoid it, but its the lesser of the evils....such as a new motherboard -.-
 
Given your situation I honestly think you're going to be somewhat disappointed with the results, i.e., data transfer speed, generated by a USB 3.0 PCI adapter.

Since your motherboard contains six (6) SATA II ports, it seems to me you would be far better to internally connect a HDD to one of those (I assume) vacant ports that you could use for backups, transfer of data, etc., etc.

You could still use your USB 2.0 external enclosure (assuming you have an add'l HDD) should you so desire and the difference in data transfer speed between it and a USB 3.0 device wouldn't be particularly enormous given the usual type of use one gives a USBEHD.

(I just noticed in your last post that you've already purchased the USB 3.0 PCI adapter. Well, it will still be useful for external backup purposes and that could be important).