5 1/4 bay designed front panel. Reads & writes CompactFlash Type-I/II, Microdrives, Memory Stick (pro), Memory Stick Duo (Pro), Secure Digital (SD), SD Mini, MultiMedia Card (MMC), RS-MMC, Smart Media media, and etc virtually all flash media in the market now (23-in-1). Built-in with two (2) USB 2.0 ports. Built-in with one (1) 400 Mbps FireWire/1394a port. Built-in three (3) Audio ports:MIC/Line-In/Line-Out (Headset). Built-in S-Video & RCA composite video front connection. Easily brings all your USB/1394a/audio/video ports from the back of your PC to the front for easy access. (Require motherboard with built-in USB 2.0 & 1394a header pin connectors on board, USB 2.0 port, sound card, S-Video/TV-our card installed). Fully Plug-N-Play compatible. Supports Windows 98SE/ME/2000/XP. PC Requirements: PC with 128MB of RAM and 450MHz or faster processor. Requires one available USB 2.0 port. Requires one available USB 2.0 header type connector. Requires three Audio ports:MIC/Line-In/Line-Out. Requires video card or video capture card with S-Video & RCA composite video ports. Windows 98SE/ME/2000/XP or later. Package contents: One front panel combo device (attached with cables). One slot bracket. One software driver CD.