Opti-Ups Ucr54In1B Multi-In-1 Card Reader Writer Usb2.0 3.5 Internal Black Black Faceplate / Fits 3.5-inch drive bay / Four slots for memory card Slot to Slot read and write operation / Auto detecting slot / USB 2.0 interface (backwards compatible) Up to 480 Mbps data transfer rate / Hot Swappable Efficient card Interface Hardware Engine for data transfer