Acer PC, Intel Core i7-4790 4GHz CPU / 4GB / 1TB for $549.99 Shipped

Acer AXC-605-UR2C Desktop PC for $549.99 shipped.  Here is a screenshot for your reference.  It features an Intel Core i7-4790 processor at 3.6GHz with Turbo Boost to 4GHz, 4GB DDR3 RAM, 1TB hard drive, USB 3.0 ports, DVD burner, Gigabit Ethernet, and more.