Deal: G-Tech 4TB G-DRIVE USB 3.0 for $129 March 24, 2019 By Eric Reagan B&H has the G-Technology 4TB G-DRIVE external USB 3.0 drive for $129.99 (reg. $169.99) right now. Check it out here at B&H Photo. They’ve also got the 6TB version for $169.99 (reg. $199.99).