ITEM NAME:PCI-Express 16x Riser Card 90 Degree angle 4cm Adapter Card for 2U Chassis Description: PCI-E 16X horizontal graphics adapter card, 4-layer circuit design, high frequency impedance PCI-E 16X Riser Card / PCI-E 8X, PCI-E 4X, PCI-E 1X Four-layer circuit board circuit design, high-frequency resistance, transmission stability Switch to 2U network server and other small computer chassis design Height: 4 cm, with snap fasteners for perfect connection between graphics card and adapter Package Includes: 1x PCI-E 16X Adapter Card.PCI-E 16X Riser Card / PCI-E 8X, PCI-E 4X, PCI-E 1X. Switch to 2U network server and other small computer chassis design. PCI-E 16X horizontal graphics adapter card, 4-layer circuit design, high frequency impedance.