PCIe - Extension Riser Card x16 > x16 Item No. 89093 The PCI Express extension riser card by Delock enables you to extend a x16 PCI Express card. Just connect the PCI Express card to the riser card and the riser card to your mainboard. Specification • For PCI Express card x16 • Extension of 20.32 mm (0.8 inch) • Dimension: 105 x 27 mm System requirement • A free PCI Express slot