Newegg via eBay offers the MSI GeForce GTX 980 4GB GDDR5 PCI Express Video Card, model no. GTX 980 4GD5 OCV1, for $419.99 with free shipping. That's the lowest total price we could find by $100. It features a 1,152MHz core clock, 4096x2160 max resolution, 7GHz memory clock, three DisplayPorts, HDMI, and DVI inputs. Note that it requires at least a 500-watt power supply.