The 4TB Seagate Desktop HDD is a great way to extend your desktop computer's storage space. It can also be used as a secondary drive for backups or data. The best part is that this Black Friday, you can get it for just $99.99 at Newegg, a $90 savings off the regular price.
Black Friday deal: 3TB WD My Passport Ultra portable drive
WD's 3TB My Passport Ultra is the highest-capacity portable drive on the market. Normally it costs more than $120, but on Black Friday, you can find it at Office Depot for just $80, and you'll also get a free pouch as a bonus.