ITEM NAME:2pcs PCI Express Riser Card 1x to 16x USB3.0 SATA Power for Bitcion Minier #gib Store Home Promotion Hot Item Add to Fav.The new design, 1X, 2X, 4X, 8X, 16X compatibility (1-16X and 16-16X can be used), PCB PCIe transfer wire is safer, more efficient, and more practical. The use of Taiwan import card buckle, slot with fixed card buckle, convenient disassembly of the graphics card and fixed graphics card, so that the card will not fall off from the slot.