1、Reduce Burden: This USB riser powered adapter card possesses 4PIN, and two Graphic card 6PIN interface, which provides Graphic card independent power and reduces motherboard burden. 2、USB3.0 Cable: This USB riser powered adapter card adopts 60cm USB3.0 cable as extender cable, which ensures higher safety and efficiency. 3、Considerate Design: Slot is equipped with a fixed buckle to facilitate the demolition of graphics and fixed graphics card, so the card will not fall off from the slot. 4、Wide Compatibility: This USB riser powered adapter card is compatible with 1x, 4x, 8x, 16x PCI‑E slot of the motherboard. Suitable for Win, for LINUX and for OS X systems. 5、Gold Plated: This USB riser powered adapter card adopts gold plated contacts for better connectivity and long service life, which is more wear resistant and increase the conductivity.