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Item#: 9SIA0AJ33E4620

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Bytecc's BT-PEU310 brings you the latest USB 3.0 technology to your system. You can quickly add two SuperSpeed ports to your PCIe-enabled desktop PC at a blazing 5Gbps! SuperSpeed USB 3.0 is backwards compatible with USB 1.0/1.1/2.0 devices.

The new PCI Express interface, which will eventually replace PCI, effectively quadruples the amount of available computing bandwidth, resulting in faster music downloads, smoother streaming video and lightning-fast access to mass-storage devices.

  • newegg SuperSpeed USB 3.0 Technology The Bytecc BT-PEU310 features two USB 3.0 ports to add USB 3.0 capability directly to your computer enhancing your systems with the latest USB technology!
  • newegg PCI Express Interface The PCI Express interface effectively quadruples the amount of available computing bandwidth for faster music downloads, smoother streaming video, and lightning-fast access to mass-storage devices.

Learn more about the BYTECC INC BT-PEU310




PCI Express to USB Card
External USB Ports
2x USB Ports
USB 3.0
Data Transfer Rate
Up to 5.0 Gbps
Operating Systems Supported
Windows XP, 2003 Server, Vista, 2008 Server and 7


NEC uPD720200 Chipset
Supports PCI Express 2.0 X 1 Lane, can transferring up to 5Gbps MAX
Supports USB 3.0 specification type A connector X2 ports
Supports the following speed data rate as follows: Low-speed(1.5Mbps)/Full-speed(12Mbps)/High-speed(480Mbps)/Super-speed(5Gbps)
Backward compatible with USB 1.1 & 2.0
Supports PCI Low Profile
Supports External Power Socket in order to supplying power for each USB3.0 connector up to 900mA MAX/port
Warranty, Returns, And Additional Information

Customer Reviews of the BYTECC INC BT-PEU310

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  • Edward W.
  • 4/4/2015 9:30:33 PM
  • Ownership: 1 month to 1 year

4 out of 5 eggsCheap, fast and reliable

Pros: Very inexpensive card especially for the performance and reliability.

I have used this card in several Linux and Win7 64 bit systems without issue. Ubuntu 12.04 and 14.04 recognize the card immediately. Windows 7 does not recognize the card (surprise, surprise) but the Win7 drivers from the BYTECC site installed easily. Not completely sure why other people had installation/usage issues but see my speculations in the cons though.

The card works perfectly well with USB 2.0 devices (Mice, keyboards, thumb drives, web cams etc.).

Cons: While in my experience the card works fine there are caveats.

The main problem is that there is a slight mechanical design/build issue with the card, it does not seat well in some mother boards (it is not so unusual for low rent PCIe cards to not fit perfectly). I found it necessary to bend the card bracket slightly to get a truly secure seating (i.e., with card tabs fully seated in PCIe slot). It's really no big deal but improper seating could cause installation/usage issues since the card may not work well if it is not completely seated. You can't completely avoid this kind of problem if you are aiming for inexpensive...

The card does not seem to support UAS (neither does Win7 though!) so it will not be as fast with a disk as a card that does support UAS.

Finally, it has only two ports so depending on your system requirements you might need a USB3 HUB. The hub will not be free and works to raise the effective price. If you need four ports there are better choices. Such as the SIIG 4-Port USB 3.0 PCIe Model JU-P40412-S1.

Other Thoughts: It would be nice if the card supported UAS (USB attached SCSI) but I am still able to get about 100MBs write speed on Ubuntu 14.04. It seems fast on Win7 also but I have not timed it. I was lucky and got the card very inexpensively.

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  • James T.
  • 1/8/2015 7:10:00 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsworks fine with ubuntu 10.04

Pros: Selected this because I wanted a USB 3.0 card that used a chipset that I expected would be compatible with Ubuntu 10.04. My research led me to believe that only the NEC chipset would work with that version of Ubuntu server (10.04 apparently has the first usb 3.0 code that was incorporated into the Linux kernel. It did work fine and is recognized as a usb 3.0. Works fine with a usb 3.0 external drive that I use for backups.

Cons: only two ports

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  • Michael G.
  • 11/1/2014 5:44:44 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsdecent speeds

Pros: Easily hitting 100 MB/s with this card.

Cons: Difficult to get higher than 100 MB/s

Drivers are difficult to get, and the cd that ships with this card is bad.

Drivers available here:

Other Thoughts: Worth a buy at the price newegg sells them,

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1 out of 5 eggsDoesn't work, no support

Pros: None

Cons: Doesn't work at all. System won't boot!

Other Thoughts: Bought this card for a WHS 2011 machine that I planned to upgrade to Win8.1. The system wouldn't boot with the card installed. I updated the BIOS on the mobo, but no change. Installed Windows 8.1 and it still won't boot unless I remove the card. No support from Bytecc.

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  • Phliip R.
  • 3/5/2014 1:53:43 AM
  • Ownership: 1 month to 1 year

5 out of 5 eggs

Pros: Works as expected in FreeBSD and FreeNAS 9.2 after enabling USB 3 tunable.

It was the least expensive card I could find when I bought it.

Cons: None.

Other Thoughts: Haven't tried it in Windows or Linux.

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  • Anonymous
  • 6/26/2013 7:26:36 PM
  • Ownership: less than 1 day

1 out of 5 eggsDid not work

Pros: Low price

Cons: Did not work out of box (purchased at a department store); got to Newegg and read reviews. Decided not to mess with it anymore and wanted to lower rating to help others in future.

Other Thoughts: Going back to store...

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3 out of 5 eggsFollow up on previous review

Pros: Works on windows XP

Cons: Won't work on newer opearting systems like Windows 7, 8, etc

Other Thoughts: In my previous review I mentioned how impossible it was to get this card to work at all. Well, I needed at least a functional USB 2 solution so I grabbed this card off the shelf and put it in an old Windows XP machine. The drivers installed and the card actually worked. It only maxed out at 45 MB/s, whereas my Windows 7 and 8 machines will push data at 130 MB/s, but even 45 MB/s beats the 20 MB/s or so it would have been through USB 2 alone.

3 eggs because it did actually work in 1 out of 4 of my machines. -2 eggs because Bytecc doesn't seem to have any kind of support.

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1 out of 5 eggsAwful product

Pros: Low profile

Cons: Does not work.

Other Thoughts: My supervisor bought two of these for me. I tried this in a Windows 7 64 bit environment first. The drivers wouldn't work. I had to search the internet to find that this actually had a Renasus chipset, not an NEC chipset. I got the correct drivers and was able to read data at good speeds, but when I tried to write to the drives through this card, it kept dropping the connection. Totally useless if it can't write. I threw them on the shelf. Months later, I put one of them in my new Windows 8 64 bit machine, which has native USB 3 support. Still nothing. There are apparently no stable drivers for this card anywhere.

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  • Anonymous
  • 4/14/2013 6:51:59 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent card

Pros: I purchased this a year and a half ago and it's performed perfectly since then. I've used it fairly hard and I've had it in 3 PCs so far and installed it on Windows XP Pro 32 and Windows 7 x64 (Pro/Ultimate) with no issues whatsoever.

Cons: None for me other than maybe it only has two USB ports

Other Thoughts: I've had none of the issues with this that some of the other reviewers seem to have had. For me it has installed with essentially no effort and has run at high speeds.

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  • Donald M.
  • 4/6/2013 8:52:10 PM
  • Ownership: less than 1 day

1 out of 5 eggsDo not buy! Poor device, incompetent setup

Pros: Small and cheap, seems to function one I finally got it going.

Cons: Driver CD does not work! Can't believe they would issue a CD where the autorun file doesn't run the setup correctly! I downloaded drivers from their web site which installed drivers from NEC which also do not work. Finally figured out that installing one driver file (renesas drivers), ;etting the computer blue-screen crash, then running the normal setup worked, and the device seems to function.

Other Thoughts: Never have had such a terrible installation experience. The other USB 3 cards were $30 to $40, and I suspect I will end up buying one of those instead of keeping this one. Windows 7, MSI motherboard.

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Item#: 9SIA0AJ33E4620
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