Features: 100% brand new and high quality 2 layer P c b board designing. Compliant with PCI express 2.0, 1.1 Specification. 1-slot PCI-E 1 x to 4 slot 1 x riser card with high speed USB 3.0 cable. High speed USB 3.0 shield cable is flexible for 1/2/3 u chassis. Support 4 port high speed PCIe 1x card.6. Solid capacitor provide extra stable power supply for PCI-e card. Package Includes: 1 x 1 to 4 Mining Board Adapter 1 x PCI-E 1x Riser Card 1 x USB 3.0 Cable Specifications: Color: Blue Material: Copper Core Mainboard size: 9.7x6.3cm/3.82x2.48in Product interface: PCI-E 1x Cable length: 60cm Supported system: Compatible for Linux Mac/all Windows systems 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