With a 1TB capacity, USB 3.0, and a 7200 RPM spindle, the G-Tech G-Drive Mobile is a robust little hard drive. In fact, we were able to edit HD video directly from the drive, though we’d never recommend you do that.
*Of note, the G-Tech G-Drive Mobile is also USB 2.0 backwards compatible.
Spindle: 7200rpm
Format: Mac with Time Machine compatibility out of the box
Ports: USB 3.0/USB 2.0/Thunderbolt
Capacity: 1TB
Price: $~120
Price: $6.99
AmazonBasics External Hard Drive Portable Carrying Case
(9969) 
Price:
LaCie Rugged Mini 4TB External Hard Drive Portable HDD - USB 3.0 USB 2.0 compatible, Drop Shock Dust Rain Resistant Shuttle Drive, for Mac and PC Computer Desktop Workstation PC Laptop (LAC9000633)
Travel with capacity of 4TB in an ultra compact portable hard drive—LaCie Rugged Mini. Seamlessly connect to USB 3.0 computers, transfer content fast with speeds of up to 130MB/s, and trek confidently with all terrain durability of drop, crus... (as of February 10, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Price: $7.99
Lacdo EVA Shockproof Carrying Travel Case for Seagate Expansion Seagate Backup Plus Slim 1TB 2TB 4TB Portable External Hard Drive USB 3.0 2.5-Inch, GPS Camera and External Battery Pack
NA (as of February 11, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Price:
love the GDrive
Why no comparison on USB 3.0? why even use 2.0?