Western Digital Elements Portable Black HDD External 2.5" 4TB USB 3.0

* 4TB High-capacity in a sleek design * Fast transfer rates * USB 3.0 and USB 2.0 compatibility * Plug-and-play connectivity * High capacity in a small enclosure * Improve PC performance * WD quality inside and out * Formatted NTFS Product Description: WD Elements Portable WDBU6Y0040BBK - hard drive - 4 TB - USB 3.0 Type: Hard drive - external (portable) Capacity: 4 TB Interface: USB 3.0 Type-A Data Transfer Rate: 5.0 Gbps (USB 3.0)Features: NTFS formatted Power Source: USB bus Dimensions (WxDxH): 82 mm x 111 mm x 21 mmWeight: 230 g OPERATING SPECIFICATIONS Operating temperature: 5°C to 35°C Non-op. temperature: –20°C to 65°CSYSTEM COMPATIBILITY Formatted NTFS for Windows® 10, Windows 8.1, Windows 7 Reformatting required for other operating SYSTEMs.