HP p2100 Series 1TB Silver Portable Hard Drive, Home, 3.35" (85 mm), 4.72" (120 mm), 0.63" (16 mm), 11.3 oz (320 g), Silver HP p2100 Series 1TB Silver Portable Hard Drive. HP segment: Home. Width: 3.35" (85 mm), Depth: 4.72" (120 mm), Height: 0.63" (16 mm). Product color: Silver, Compatible products: Windows: XP, Vista, 7, 8 and USB 3.0 or USB 2.0 port