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Topic: Soooo, would this work for mining? PCIe to USB 3.0 controller - page 2. (Read 11637 times)

sr. member
Activity: 402
Merit: 250
So USB3.0 device to connect 2x PCI-E devices?
On another thread there was just talk about this, i thought i had seen something like this but thinking it had to be a joke or something ...

Anyone know who has these actually on sale and at a price?
member
Activity: 90
Merit: 10
can't find a single product that uses that chip and any attempt to search using the obvious "usb to pci express" or variations with the 3382 chip returns every ad for a pci express usb host controller.... urg...
hero member
Activity: 557
Merit: 500
That's what I was thinking, it would be a limitation of USB, not PCIe.
The links to merchants are on their website, however some are dead. (not a good sign)
Video looked pretty straight forward, though. 
member
Activity: 90
Merit: 10
Probably but AMD drivers have a limit of 8 GPUs.  The cost per slot isn't very high for most boards.

$60 board w/ 4 slots = $15 per slot.
$100 board w/ 5 slots = $20 per slot.
$140 board w/ 6 slots = $23 per slot.

If AMD had no GPU limit it might be more interesting.

isn't the problem in part due to the bios, since this would only boot the card "after" post and inside windows/linux all they would need is to do is release the driver lock on card number and enjoy a 256 card in a single rig :p

BTW are those for sale somewhere? I couldn't find any info on company site and Google didn't turn up anything either.
donator
Activity: 1218
Merit: 1079
Gerald Davis
also it depends how much power can be supplied through the USB3, can it do 75w like the PCIe or would it be limited to low power/low end graphics cards
You could rig up an short extender to supply power via Molex connector. I would imagine it has an external PSU though as all cards use the bus for some power.  Low end cards don't really pull any less than high end ones (~20W to 40W).
member
Activity: 81
Merit: 10
also it depends how much power can be supplied through the USB3, can it do 75w like the PCIe or would it be limited to low power/low end graphics cards
donator
Activity: 1218
Merit: 1079
Gerald Davis
Probably but AMD drivers have a limit of 8 GPUs.  The cost per slot isn't very high for most boards.

$60 board w/ 4 slots = $15 per slot.
$100 board w/ 5 slots = $20 per slot.
$140 board w/ 6 slots = $23 per slot.

If AMD had no GPU limit it might be more interesting.
hero member
Activity: 557
Merit: 500
Apologies if it's been posted before.  I tried looking on the forum and didn't see it..

http://plxtech.com/files/products/usbcontrollers/pcie_to_usb3.html

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