Dell Small Business offers its Dell Inspiron 3668 Intel Kaby Lake Core i5 3GHz Desktop PC for $579. Coupon code "449INSDT" cuts that to $449. With free shipping, that's $30 under mention from last month and the lowest price we've seen. (It's the best deal now by $241.) Buy Now Features Intel Core i5-7400 3GHz Kaby Lake quad-core processor 12GB RAM 1TB 7200 rpm hard drive DVD burner Windows 10 Pro 64-bit