Description Features: brand new and high quality Super fast and high-capacity transfer solution, stable and reliable USB3.0 Slots supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devices,great extendability. Plug and for play,without any extender cable, can be fixed to the for case. PCI-E slot power solution, no for extra power cable needed. Only one cable to the slot, easy and convenient to settle and install. With IC heat radiator Attentions:1. This extension is applicable to the mainboard PCI - E 4X slot, Please plug in the power cord for the floppy. When plug PCI - E extension must be computer broken wires plug again.2. The form a complete set of wire rod is customized, 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. Specifications: Type name: 1 to 6PCI-E USB3.0 Adapter Card for BTC Miner Mining Material: Metal+Plastic Bus Port: PCI-E 4X PCIE 4X Speed: 5Gbps Port Quantity: 6xUSB3.0 Main Chip: ASM1812 Size:approx 119X59mm/4.68x2.32in Upstream PCI-E interface 1, 2 lane PCIe connected to root port Automatically detect channel configuration at startup Supports transfer rates of 2.5Gb (250MB/s) and 5Gb (500MB/s) per channel Downstream PCI-E interface Support S3/S4 wake-up function Support Ltr ; Support AER Max Payload Size = 512Byte Support hot swap, accidental removal Supported OS: for DOS, for Linux, for Windows XP/7/8/10 Note: Keycaps only, Keyboards not included 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 Package includes: 1 PC x 6-port USB3.0 Riser Card for BTC Mining