In perfect working condition - TESTEDThe Sonnet USB3-4PM-E Allegro 4-Port USB 3.2 Gen 1 PCI Express Card is a high-quality interface card designed for expanding the number of USB ports on a Mac Pro. With 4 ports, it allows for connecting multiple USB devices simultaneously. The card is compatible with USB 3.0 and USB cards, offering fast data transfer speeds and efficient operation. Made by the reputable brand Sonnet, this PCI Express card is a reliable and essential component for enhancing connectivity options on your computer.