ZZYJ Portable HDD 60GB 5400 RPM HDD

Name: External Hard Drive About capacity: 1TB is about 931GB Color: black, red, silver, blue (optional) External output interface: USB3.0 Internal hard disk interface: SATA III Maximum transmission speed: 6Gbps Speed: 5400 rpm Hard disk size: 2.5 inches Operating system: Windows / Mac / Linux / Android OS Capacity options: 80GB, 120GB, 160GB, 250GB, 320GB, 500GB, 750GB, 1TB?2TB Packing List: 1 * Portable Hard Drive 1 * USB 3.0 CABLE Note: 1. Due to the Difference in Lighting and Screen, The Color of The Product May Be Slightly Different from The Image. 2. AS Manual Measurement is Required, please Leave a Space of 1-3 cm. 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