ZHOUYAJING HDD - 5400 RPM 1TB 2.5-inch HDD

Name: External Hard Drive Capacity options: 80GB, 120GB, 160GB, 250GB, 320GB, 500GB, 750GB, 1TB Color: black, white (optional) External output interface: USB3.0 Internal hard disk interface: SATA III Maximum transmission speed: 6Gbps Speed: 5400 rpm Cache: 8MB. Hard disk indicator: Yes Average seek time: 12 milliseconds System requirements: Microsoft Windows 10/8/7/Vista/XP and Mac OS Size: 130mm * 75mm * 13mm Weight: 250 grams Hard disk size: 2.5 inches Packing list: 1 * Portable hard drive 1 * USB 3.0 cable 1 * User Manual About capacity: 80GB = about 74GB 120GB = about 111GB 160GB = about 149GB 250GB = about 232GB 320GB = about 298GB 500GB = about 465GB 750GB = about 696GB 1TB = about 930GB 2TB = about 1860GB note: 1. The supplier of the hard disk/flash memory uses the decimal algorithm: 1MB = 1000KB, and calculates 1G = 1000MB, but the operating system uses the binary algorithm: 1MB = 1024KB, 1GB = 1024MB. Therefore, there are some differences between the displayed capacity and the rated capacity of the hard disk/flash memory product. However, it is allowed to exist. Please don't doubt his authenticity. 2. Due to the difference of lighting and screen, the color of the product can be slightly different from the image. 3. Due to manual measurement, please allow 1-3 cm.