Toshiba Canvio Basics External Hard Drive 1tb 2tb 4tb Usb 3.0 Compatible With 2.0 3.1 ,windows 7/8.1/10 Mac Os, Black - Portable Hard Drives - AliExpress
TOSHIBA 4TB Canvio Basics Portable Hard Drive USB 3.0 Model HDTB540XK3CA Black - Newegg.com
Discount Electronics from ivitex.com - America and Europe Direct Seller - Lots of High Tech Gadgets
Best Buy: Toshiba Canvio Basics 1TB External USB 3.0 Portable Hard Drive Black HDTB310XK3AA
Amazon.com: Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA : Electronics