StarTech.com PCI Express Riser Card x8 Left Slot Adapter 1U with Flexible Cable, PCIe, 0 - 60 °C, 5 - 95%, 100 mm, 179 mm, 15 mm StarTech.com PCI Express Riser Card x8 Left Slot Adapter 1U with Flexible Cable. Host interface: PCIe. Width: 100 mm, Depth: 179 mm, Height: 15 mm. Package width: 135 mm, Package depth: 170 mm, Package height: 25 mm. Cable length: 0.7 m, Connectivity technology: Wired