Data Storage 18TB G-DRIVE PRO - Enterprise-Class Desktop Hard Drive, Thunderbolt 3, USB-C, 7200RPM Ultrastar Drive Inside - SDPH51J-018T-NBAAD

Dual Thunderbolt 3 (20Gbps) ports and a single USB-C (5Gbps) port
Daisy chaining for up to 5 additional devices
Powerful performance with up to 260MB/s read and 260MB/s write (1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.)
5-Year limited warranty
Ready to go with Mac (HFS+). Works with Windows via reformat.

The G-DRIVE PRO enterprise-class desktop hard drive is perfect for storage-intensive applications like audio/video editing or digital photography with ultra-fast Thunderbolt 3 and USB-C interfaces in a premium, all-aluminum enclosure. The G-DRIVE PRO desktop hard drive comes with powerful performance up to 260MB/s read and 260MB/s write. With a high-capacity, enterprise-class 7200RPM Ultrastar drive inside, the G-DRIVE PRO device is plug and play on Mac, and easily reformatted for Windows. (1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.)