SUNIX PUB0300XL Powered USB PCI Express Add-On card, carrying the latest power switching technology provides +12VDC, through the PC power supply directly to its 3 Powered USB ports.
SUNIX PUB1200X Powered USB PCI Express Add-On card, carrying the latest power switching technology provides +12 and +24 VDC, through the PC power supply directly to its 3 Powered USB ports. Powered USB PCI Express Add-On card is backward compatible to regular USB 1.1 and USB 2.0 devices.