The selected item is a Transcend StoreJet 25M2 500GB portable external hard drive (Model: TS500GSJ25M2). [1, 2] Key Specifications Capacity: 500 GB Drive Type: 2.5-inch SATA HDD (5400 RPM) Interface: USB 2.0 (Hi-Speed up to 480 Mbit/s) Design/Protection: Features an anti-shock, green-and-orange silicone rubber casing with a 3-stage shock-protection system and a One-Touch Backup button. Dimensions & Weight: Approximately 126.25 mm × 82.4 mm × 20.4 mm, weighing around 206 grams. [1, 2, 3]