Mobile Hard Disk 250G 1TB High Speed Hard Disk USB3.0 Hard Disk 500G

Features: 1) Sleek, Thin, and Metal, easy-to-use, highly flexible protection for your files 2)  Portable External hard drives 3) Adopts imported extraordinary space steel material 4) Delivers handy portable storage 5) Easy to take wherever you go 6) USB 3.0powered portable add-on storage, compatible  7) Plug and play, easy to use with no software to install 8) Provides ample storage space for your music, movies and other files 9) Internal shock sensor and ramp loading technology protects your drive and data     Support system:  98SE, ME, 2000, XP, Vista, WIN7,WIN8,WIN10 Specifications: Hard Drive Type:2.5" HDD USB Interface:USB 3.0 Capacity:  80GB  120GB 160GB 250GB 320GB 500GB 1TB 2TB Disk Rotational Speed:5400rpm 3 Years Warranty   Package includes: 1* USB 3.0   External Hard Drives  80GB  120GB 160GB 250GB 320GB 500GB 1TB 2TB 2* USB 3.0 cable*1   About Capacity:   hard disk vendors are using decimal arithmetic: 1MB = 1000KB, 1G = 1000MB  calculated     but the operating system is using binary arithmetic: 1MB = 1024KB, 1GB = 1024MB.   so there are some differences between display capacity and nominal capacity of hard disk products.                      However, this is allowed to exist. Please do not doubt his authenticity.    About capacity:    80GB=approximately   74GB 120GB=approximately  111GB 160GB=approximately   149GB 250GB=approximately   232GB 320GB=approximately   298GB 500GB=approximately   465GB 1TB= approximately    930GB 750GB=approximately  696GB