SuperSpeed USB 3.0 connectivity with backwards compatibility to USB 2.0/1.x devices from a single PCI card
Using USB 3.0 devices with this PCI Card will allow data transfer rates at up to 1.3 Gbps,
Backed by a StarTech.com lifetime warranty and free lifetime technical support
2 external USB 3.0 ports
SuperSpeed USB 3.0 compliant host connection
Backward compatible with USB 2.0/1.x devices
Compliant with USB 3.0 base specification 1.0 and xHCI specification 0.95
Double the performance versus using USB 2.0 cards and peripherals
Provides up to 900mA of power over USB
This review is from: StarTech.com 2 Port PCI SuperSpeed USB 3.0 Card Adapter (PCIUSB3S2)Having read many reviews that indicated there would not be any PCI to USB 3.0 cards because a regular PCI card (as opposed to PCI Express) did not have enough power, I had just about given up when I came across this card.
The caveat? They don't mention that in addition to your empty PCI card slot you must also have an available LP4 connector. (LP4 connectors are white plugs that you would normally use to plug in an ATA Hard Drive or a CD or DVD player.) Fortunately, I had one not being used by anything else.
My 'test' was simple. Using a Sandisk, 30MB/second, 16 GB Compact Flash card in a USB 2.0 Sandisk Card Reader, I transferred a 3.91GB video file to a "MyBook, 3.0 external hard drive - plugged into a USB 2.0 plug. (All USB 2.) It took 31 minutes.
Then, I added this PCI to USB 3.0 card, and transferred the same file from the same Sandisk Compact Flash card, but this time, I plugged a Delkin USB 3.0 card reader and the MyBook 3.0 into the StarTech's two USB 3.0 ports. It took 2 minutes, 23 seconds.
Startech is very upfront that this card adapter will not surpass 1.3 GB per second, and will never reach the full potential of USB 3.0, (up to 5 BG per second) but considering this works at all on a motherboard as old as mine, I'm thrilled.
I've just seen another review here where the card didn't last two days. I'll be holding onto my receipt....
This review is from: StarTech.com 2 Port PCI SuperSpeed USB 3.0 Card Adapter (PCIUSB3S2)This shows up as a 4-port, 5000M XHCI USB Controller - NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03).
There are 2 ports on the back, and a power plug inside. The connector is PCI 32-bit.
For about 12 hours, this worked. Using rsync from a 5-spindle array onto a USB3 MyBook 3TB (60-105MB/sec) I was able to get about 35MB/sec. The readings are low by 30% due to rsync's other stuff it's doing. So, it's a little slower than I'd expected, but still definitely exceeding USB2 + overhead performance.
Unfortunately, today, it hung, caused a kernel panic, and on boot, it came up visible but dead:
[ 139.167287] xhci_hcd 0000:03:00.0: WARN: Stalled endpoint
[ 223.856013] xhci_hcd 0000:03:00.0: xHCI host not responding to stop endpoint command.
[ 223.857079] xhci_hcd 0000:03:00.0: Assuming host is dying, halting host.
[ 223.863929] xhci_hcd 0000:03:00.0: Non-responsive xHCI host is not halting.
[ 223.864978] xhci_hcd 0000:03:00.0: Completing active URBs anyway.
[ 223.866023] xhci_hcd 0000:03:00.0: HC died; cleaning up
[ 223.867285] usb 6-2: USB disconnect, address 2
[ 223.867577] sd 8:0:0:0: Device offlined - not ready after error recovery
I was able to replug the disk into my integrated EHCI (USB2) port, and verify it works fine, if slower....
This review is from: StarTech.com 2 Port PCI SuperSpeed USB 3.0 Card Adapter (PCIUSB3S2)I know computers. Right slot, right card right power - didn't work. Returned and got a new one. Still no luck. Updated bios, no luck, called Startech and discussed options. Final result, "it must not be compatable with your motherboard." That's all they could offer. Good luck....
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