4PIN and Two Graphic card 6PIN interface are optional to power, which provides Graphic card power and reduces motherboard burden when using more Graphic cards. With 4pcs anti-explosion capacitors, making graphics power supply more stable and secure. Stable resistance, makes data more stable and . With 6 pin interface, more powerful, and reduce the burden of the motherboard. Slot with a fixed buckle, easy to remove and fix graphics card so that the card will not fall off from the slot. Version 009S riser kits are the newest and top of solution for setting up GPU mining rigs. 4 Solid Capacitors, 60cm USB 3.0 cable, Suitable for all Window systems, XP and LINUX Colour: as shown Material: Plastic+Metal Size: 13 x 4.4cm Package Contents: 8 x PCI-E 16X riser board 8 x PCI-E 1X adapter card 8 x SATA 15-pin to 6-pin power cable 8 x USB 3.0 cable Only the above package content, other products are not included. Note: Light 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.