Walmart offers the HP Envy 750-220 Intel Skylake Core i5 2.7GHz Desktop PC, model no. T4A18AA#ABA, for $749 with free shipping. That's the lowest total price we could find by $51. Features include an Intel Core i5-6400 2.7GHz Skylake quad-core processor, 8GB RAM, 1TB hard drive, Nvidia GeForce GTX 970 4GB graphics, 802.11ac wireless, DVD burner, Bluetooth 4.0, and Windows 10 Home.