Disque dur externe portable 1 To/2 To USB 3.0 HDD

Specifications: Hard Drive Type:2.5" HDD USB Interface:USB 3.0 Capacity:500GB/1TB/2TB/4TB Disk Rotational Speed:5400rpm Warranty:3 Years Support system: For OS 10.6.2,ux,Windows XP/Vista/7/8/10,Andriod(smart TV) Package includes: 1*USB 3.0External Hard Drive 1*USB 3.0Cable 1* Bag About capacity: Hard disk/flash memory vendors are using decimal arithmetic: 1MB=1000KB, 1G=1000MB calculated, but the operating system is using binary arithmetic: 1MB=10B, 1GB=1024MB. So there are some differences between display capacity and nominal capacity of hard disk/flash memory products. However, this is allowed to exist. Please do not doubt his authenticity. 80GB=about 74GB,120GB=about 111GB,160GB=about 149GB,250GB=about 232GB, 320GB=about 298GB,500GB=about 465GB,1TB=about 930GB,1.5TB=about1395GB,2TB=about 1862GB