Vantec P N Lpc-305Lapcoolnotebook Cooler W Adjustable Fan & 4 Port Usb 2.0 Hub Device Type - Notebook Cooler Peak Current Normal Mode - 0.20 kAmps Product Type - Replacement Lamp Dataline protection - RJ45 10/100 Base-T Ethernet protection,RJ45 10/100 Base-T Token Ring Data Lines Protected(multi-line only) - 1