WEB LINK: https://www.sonicinformed.co.za/catalogue/main-components-hard-drives-external-2-5-/hd-sg-bpp4tb

Seagate STHP4000400 2.5" 4TB Backup Plus External Hard Drive With USB3.0 Interface 5Gbps Data Transfer And Compatible With Both Windows / Mac - Black Colour

Features:
-Powered by USB connection
-Compliant with Windows and Mac
-Sleek, stylish, textured metal finish
-SuperSpeed USB3.0 data transfer, 5Gbps
-Backwards compatible with USB2.0(480Mbps)
-Built with customised backup & folder mirroring

Specifications:
-Model No: STHP4000400
-Capacity: 4TB
-Color: Black
-Interface: USB3.0 (backward compatible with USB2.0)

System Requirements:
-Windows 7 or higher, or MacOS X 10.11 or higher OS
-Available SuperSpeed USB3.0 port(required for USB3.0 transfer speed or backwards compatible with USB2.0 port @ USB2.0 speed)

What's in the box:
-1x Seagate Backup Plus 2.5" 4TB Portable drive
-1x 46cm USB3.0 cable
-1x Quick start guide
-1x Downloadable Toolkit Backup Software