
This review is for a Vantec 4-port USB 3.0 PCIe with a 20-pin internal host card (UGT-PC345). I wanted to add 31 Linux USB 3 ports to my old Dell Inspiron 580 with Fedora. It couldn't be easier. I installed the card in an available PCIe x1 slot and connected an existing SATA power cable to the Molex adapter (included). Linux recognized the USB ports immediately. I'm getting around 145MB/s writing to a SanDisk Extreme flash drive where I used to get around 24MB/s on 2.0. Oh, and I also bought this to run 2 ports in front: https://www.amazon.com/gp/product/B01C1KW5L8/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 It worked too. It fits where the old multi-card reader was on the Inspiron 580. Also a big thank you to Vantec Tech Support: I emailed them prior to ordering as these reviews had conflicting information on PCIe x1 and x4. After a few minutes they confirmed that it was a x1 card and that there shouldn't be any problems on Linux.

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