Startechcom pci express riser card x16 left slot adapter 1u2u servers this x16 pci express riser card lets you install a full sized pci express card in a 1u or 2u server case eliminating the expense of purchasing small form factor pcie cards designed to fit most 1u server chassis complete pass through design supports the latest pci express speeds x16 pci express female connectors accepts x16x8x4x1 cards specifications warranty information warranty 2 years hardware bus type nbs