Corsair RM850x Fully Modular ATX Power Supply, ATX 3.1, PCIe 5.1, Cybenetics Gold

This post offers a Corsair RM850x power supply at $89.99. While the original price isn't specified, this model typically retails for over $100, making this a potentially good deal. The ATX 3.1 and PCIe 5.1 support are desirable features for modern PC builds.