Easy and Economic way to add extra storage to your notebook Have three more USB ports to connect your devices。Cooling your Notebook for better silent running performance Features • Compatible with up to 15” Notebook Computers • Center silent 8 cm fan for efficient cooling • Compatible with up to 500G 2.5” SATA II HDD • Innovative, convenient, and inexpensive way to expand your notebook HDD storage capacity • Integrated 3 port USB HUB for expanded connectivity • Power On/Off and data transfer LED indicator • Powered directly from notebook USB port • Hot-swappable and Plug and Play compatible – no driver installation necessary Specifications • Materials : Plastic and Rubber • Dimensions: 230 x 320 x 50mm (9.05”x12.59”x1.96”) • Weight: w/2.5 HDD 590g ( 1.3lbs) • Fan Size : 80 x 15mm (3.14” x 0.59”) • Color: Black, White • Compatible : Compatible with up to 15” Notebook