Create some space with the Seagate Backup Plus Slim 1TB hard drive on sale for $45 10 Mar 2021 Best Buy has a lot more going on than just some amazing Mario Day sales. You can also save on some other stuff, too! Grab a Seagate Backup Plus Slim 1TB portable hard drive down to a low price of $44.99. This is a great low price for a hard drive that was once one of the best and is now growing more rare as time goes on. Normally the Backup Plus Slim sells for around $60, and you're not going to find it for a better price than Best Buy's deal today. In fact, B&H has the next best price, but it's going for $53 over there. The Best Buy deal is only available in the Space Gray color.