No external power needed when used on VIA's EPIA series motherboard Directly plugged into IDE connector on the motherboard without an IDE cable Any other device requiring rugged solid-state storage Voltage selection for +3.3V or +5V compact flash Master or slave mode selection Power input: +5V, floppy disk drive power connector Fully compatible with Compact Flash Type I, Type II, and Micro-drive 40-pin standard IDE connector This adapter does NOT support hot insertion of cards Bootable from System Requirement: PC or with one IDE connector ; MS , OS, Linux Colour: black+green Material: ABS+PCB Size: 5.8 x 4.3 x 0.5cm Package Contents: 2 * To 3.5 IDE 40Pin Male Adapter Card Only the above package content, other products are not included. Note: Light reflection 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.