The akasa connect panel locates in PC chassis 35 drive bay and gathers all USB data connections in one easy accessible place Additional two USB 20 and two USB 30 expand the system real-time connectivity to create computing experience with no limitations- SuperSpeed USB 30 connection- Backwards compatible with USB 20- Easy to install-Data transfer rateup to 5Gbs - USB 30up to 480 Mbits - USB 20- USB 30 ports 2- USB 20 ports 2- PC connectionInternal motherboard USB 20 connectorInternal motherboard USB 30 connector- Supported OS Windows 2000 XP Vista 7 8