Provides downstream USB ports that offer Plug-and-Play connectivity to USB 1.1 (low- and full-speed) and USB 2.0 (high-speed) devices. Self-powered. Allows cascadingu up to 127 USB devices may be connected to a single port. Downstream ports can be positioned toward desktop back for efficient cable management, or to front for easier port access. Seven-port Hub has two, top-loading downstream USB ports for added convenience. BLKF5U237V BLK-F5U237V BLKF5U237V1 BLK-F5U237V1 722868481578 2286848157