StarTech.com PCI Express Riser Card x16 Left Slot Adapter for 1U/2U Servers PEX16RISER (Green) Compatible with small form factor case Excellent choice for system builders or end-users that want to use a space-saving case design Tested with a PCI Express 16x Graphics card, this adapter allows you to install a full size PCIe video card into a slim or SFF computer case Pass through 16x PCI Express Connection 1U/2U chassis supported Easy to use and install Saves space and allows for larger cards to be used Supports 16-lane (16x) 2.5Gbps PCI Express