These hard drives are using standard USB-A cables to plug into a computer, which means that you're going to need a USB-A to USB-C adapter if you want to use them with one of Apple's modern Macs. Both are formatted to work with either Mac or Windows. The Backup Plus Slim offers 1TB or 2TB of storage, and the Backup Plus Portable is available with either 4TB or 5TB of storage space. The test models I have are in silver, but these also come in black, a light blue color, and red. Neither one of these drives takes up much space, so they're ideal for backup or other purposes and can be tucked away in a drawer afterwards.ĭesign wise, the two hard drives are made from a black plastic material with a brushed aluminum front plate. The Backup Plus Portable is about the same size but it's close to an inch thick and about twice as heavy (eight ounces vs. The Backup Plus Slim is the thinner of the two models as it has less storage space, measuring in at 4.5 inches by 3 inches with a thickness of just about half an inch.

The Backup Plus Slim and the Backup Plus Portable are your average, run of the mill hard drives.

Seagate in January announced an updated lineup of its popular Backup Plus hard drives, debuting the Backup Plus Slim and the Backup Plus Portable, both of which are now available for purchase and are ideal for those who need lots of storage space at an affordable price.

Seagate backup plus slim for mac review