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Our powered 4-port High Speed Usb 2.0 Hub lets you connect multiple Usb devices to your computer. Up to 127 Usb devices can be connected by cascading multiple hubs. This multiple Tt hub provides every down stream port with a Tt (transaction translator). With the dedicated Tt in each down stream port, it can provide the best performance even with several Full/low-speed devices and running heavy bandwidth-consuming operations concurrently without any speed loss. Backwards compatible with Usb 1.1. Upstream Port 1 x Usb Type B (F). Downstream Port 4 x Usb Type A (F). Connect up to a maximum of 127 Usb devices through cascading multiple Hubs. Supports plug and play and hot-swapping. Over current detection and protection. Operating System Windows98/se,2000,xp,vista, Mac Os 9x or Higher. Package Contains: 1 x 4 ports Unit. 1 x 5ft. Usb 2.0 A to B cable. 1 x Switching power adapter. Usb 2.0 high-speed interface, supports data rates of 1.5/12/480 Mbps. Connection: Usb Mini B Female. Connection: 4 Usb Female Ports. Built-in Multi-tt mode function. Weight: 2.50 lbs. Model No:845-40u2-14260
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