1. 5 Slots brings great extendability2. Plugs directly to the board without any extender cable, can be fixed to the case3. PCI-E slot power solution, no extra power cable needed4. Only one cable to the slot, easy and convenient to settle and install5. With IC heat radiatorAttentions:1. This extension is applicable to the mainboard PCI - E 1X slot, Please plug in the power cord for the floppy. When plug PCI - E extension must be computer broken wires plug again.2. The wire rod never grab line to plug in. Remember that 3. When plug wire must identify the direction, not to counter or offset, prevent burning equipment, plug wire when the socket of equipment first, then plug wire, avoid too hard plug socket pin is broken.Type name: PCIE 1 to 5 USB3.0 Riser Card for BTC Miner MiningBus Port: PCI-E 1XUSB Port: Gold USB3.0Port Quantity: 5*USB3.0Main Chip: ASM1187ESupported OS: for DOS, for Linux, for Windows XP/7/8/10Material:PCB+metalcolour:blackPackage Contents:1 * 5 Port Gold USB3.0 Riser Card for MiningOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.