Both external drives, it's really a question of do I want a portable drive or a desktop drive? Want I want to use them for is solely to store all my games on.
https://www.amazon.com/Book-Desktop-External-Drive-WDBBGB0040HBK-NESN/dp/B01LQQHL4E/ref=sr_1_27?s=electronics&ie=UTF8&qid=1530328176&sr=1-27&keywords=4tb+hdd
https://www.amazon.com/Black-Passport-Portable-External-Drive/dp/B01LQQH86A/ref=sr_1_5?s=electronics&ie=UTF8&qid=1530328176&sr=1-5&keywords=4tb+hdd
I could find read/write speeds for them
https://www.amazon.com/Book-Desktop-External-Drive-WDBBGB0040HBK-NESN/dp/B01LQQHL4E/ref=sr_1_27?s=electronics&ie=UTF8&qid=1530328176&sr=1-27&keywords=4tb+hdd
https://www.amazon.com/Black-Passport-Portable-External-Drive/dp/B01LQQH86A/ref=sr_1_5?s=electronics&ie=UTF8&qid=1530328176&sr=1-5&keywords=4tb+hdd
I could find read/write speeds for them