PCI-E 1x to 16x Mining Machine Enhanced Extender Riser Adapter with USB 3.0 & 6pin SATA Power Cable 3.0 USB length:60cm With 4 x FP solid capacitors, making graphics power supply more stable and secure With SATA 15pin Male to 6pin power cable,strengthen power supply, so that graphics power from the motherboard independent,so multi-card reduce motherboard burden. PCI-E 16x slot with lock for easy removal and fixed graphics card , so that graphics will not fall from the slot Compatible with 1x,4x,8x,16x card Package Included: 1x PCI-E 16X adapter 1x PCI-E 1X riser board 1x USB cable 1x SATA 15Pin-6Pin power cable