External expansion chassis for PCIe cards increases the PCI-e slot count of a desktop computer or server Adds four external PCIe x1 slots Host PCIe card uses an x2 PCI Express 2.0 slot on the host system - 6ft (1.8m) USB-C locking cable incl. 10 Gbps bandwidth - Use for USB cards/Ethernet/fiber cards/Serial/I-O cards - Commercial-grade SECC steel enclosure withstands temps of up to 140 F/60 C Vented chassis for passive cooling - PCIe expansion chassis/adapter is OS independent