ZZYJ External Hard Drive - 5400rpm 250GB 2.5-inch HDD

Name: External hard drive Optional: 60GB, 80GB, 120GB, 160GB, 250GB, 320GB, 500GB, 750GB, 1TB Housing material: metal Color: Various colors External Output Interface: USB3.0 Interior HDD interface: SATA III Speed: 5400rpm Average search time: 12 meters Sino-foreign size: 78 (W) * 120 (d) * 13 (h) mm Hard disk size: 2.5 inches Packing List: 1 * Portable Hard Drive 1 * USB 3.0 CABLE Hard disk supplier uses a decimal algorithm: 1MB = 1000kb, 1G = 1000MB calculation, but the operating system uses binary count: 1MB = 1024kb, 1GB = 1024MB. Therefore, there are some differences between display capacity and nominal capacity of the hard disk product. However, this is allowed to exist. Please don't doubt his authenticity. About capacity: 1MB = 1024KB, 1GB = 1024MB 60 GB = about 55GB 80GB = about 74GB 120GB = about 111GB 160GB = about 149GB 250GB = about 232GB 320GB = about 298GB 500GB = about 465GB 1TB = about 930GB 2TB = about 1860GB Please note. If you want to use it on a Mac, you must reformat the product. Reformatting the drive will erase everything unless you back it up to another drive. Due to differences in lighting and screen, the color of the product may vary slightly from the picture. Please allow 1-3 cm as manual measurement is required.