Select PC accessories, external storage, and gaming gear from brands like Corsair, Netgear, TP-Link, Seagate, and Razer are discounted on Amazon today. If you need a portable hard drive, network extenders, or components to build your own computer, these deals are worth a gander. A highlight: The Seagate Backup Plus Slim, a 2TB hard drive that works with both Mac and PC computers and comes with a free two-month membership to the Adobe Creative Cloud Photography Plan. It's 21 percent off and available for $55. This way for more deals.