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Windows 7: Question: PCIE Expansion Card Chipsets with UASP for Windows 7

3 Weeks Ago   #1

Windows 7 Ultimate x64
Question: PCIE Expansion Card Chipsets with UASP for Windows 7

I marked my other question thread on PCIE solved. I am posting this new thread on a question on the chipsets for the expansion cards. I am going to be buying a PCIE expansion card to add more USB 3.0 ports to my motherboard, and I was thinking of a PCIE x4 expansion card so that it has enough bandwidth to run mutliple USB 3.0 or USB 3.1 devices.

But while shopping on Amazon for a card I discovered that the Asmedia chipset drivers do not support UASP for Windows 7. I know that the Renesas chipset drivers do support UASP for Windows 7, but there aren't many good PCIE expansion cards I could find with those chipsets. And I seen two people (me and someone else) experience file corruption with Renesas chipset drivers, so I may avoid them all together.

So my questions are (but please read the above before answering):

1) What other chipsets support UASP on Windows 7?

2) How much of a performance penalty would I have (I mean how much slower), if I buy a card, like an Asmedia chipset for Windows 7, where Asmedia doesn't support UASP?

My System SpecsSystem Spec
3 Weeks Ago   #2

Windows 7 Ultimate x64

I guess I can see why nobody responded. I don't know if they understood my question or why I was a bit confused. While searching on Amazon, I saw quite a few Asmedia chipset cards that were listed as UASP not supported under Windows 7. And I wanted to try to get UASP support for highest performance. I didn't realize that there were any Asmedia chipset cards that supported it, and a very outdated Wikipedia article said the same thing. So that is where my confusion came from, and I understand now why nobody responded.

I ended up buying a couple Renesas chipset cards (and hope I don't have the data corruption problems I saw before with that chipset), but I may end up buying a cheap Asmedia ASM1142 chipset card. I finally discovered that this card, does support UASP and 10 gbps USB 3.1 Gen 2 on the Windows 7 operating system and this may be the best bet for a Windows 7 upgrade of your USB ports.

From what I been researching, what they advertise as USB 3.1 Gen 1 is just USB 3.0. They just renamed it. If you want "true" USB 3.1 then you need to get USB 3.1 Gen 2.

I am providing all the above information for anyone else who needs it.
My System SpecsSystem Spec
3 Weeks Ago   #3

Windows 7 x64, Vista x64, 8.1 smartphone

Maybe that you are reading a few out of date articles on the matter(?) - I found an Asmedia 1053E that supports UASP.
- be sure to purchase an expansion card with a good power supply connection, if youve already had problems with data corruption.
- make sure the s/w drivers are supplied with the card as Windows 7 does not have native support for UASP.

USB 3.1 has a different connector (USB Type-C) compared to USB 3/2/1, so make sure you know what you are buying before you purchase, or you'll wind up buying additional adaptor leads.
My System SpecsSystem Spec

2 Weeks Ago   #4

Windows 7 HP 64

UASP stands for USB Attached SCSI Protocol. It allows for faster read/write data speeds to and from storage devices.

I'm curious. As I haven't seen any USB device that takes advantage of a fast USB 3.x communication, what device are you connecting to your USB 3.x that is faster then a 3.0 (5G bps or 625M Bps)?
My System SpecsSystem Spec

 Question: PCIE Expansion Card Chipsets with UASP for Windows 7

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