Right now there are 490 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Electronics › Computers & Accessories › Computer Components › External Components. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: Lian Li, ASUS, Corsair, Micro, Antec, NZXT, Thermaltake, Cooler Master. Every item is a one-off, so the stock moves all day and new deals keep arriving.