If you're in the market for an Nvidia RTX 5080 gaming PC, you'll want to pay very close attention to this deal from iBuyPower. The company is offering a wide range of discounts on pre-built gaming PCs as part of its Memorial Day sale, and the pick of the bunch is the massive $400 saving on one of its RTX 5080 PCs. This makes the PC so cheap that you physically can't build an equivalent for the same cost, and this one comes ready-made with a three-year warranty. iBuyPower makes the RDY Y70 R17 system, which currently sits at the top of our best gaming PC guide. It offersfantastic value for an RTX 5080 gaming PC. However, it's still $400 more expensive than the model available in this sale.