Usage Tips:Features: and PCIE X1 extension cable. design, right angle head. PCIE 3.0 Transmission efficiency more than 2%. EMI shielding with conductive polymer. No need BIOS without USB transfer, stable and durable. Measuring eight cards, direct access graphics to the motherboard, PCIE expansion without power supply, without BIOS setup, without secondary USB transfer. Applicable to high-end sound cards, professional acquisition cards, network cards, wireless cards, data cards, etc. Package Includes: 1PC x Extension Cable Specifications: Material: plastic Color:black Speed: 8gbps Interface: PCIE 3.0 X1 Size: 90, 180(optional) Cable Length: approx. 20cm / 7.87in, 50cm / 19.69in(optional) Quantity: 1 PC note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you