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