Dell Small Business offers its Dell Precision 3620 Intel Skylake Core i3 3.7GHz Mini Tower Desktop PC for $579. Coupon code "SAVE40WKS" cuts that to $517.40. With free shipping, that's $43 under our December mention and the lowest total price we could find now by $83. It features an Intel Core i3-6100 3.7GHz Skylake dual-core processor, 4GB RAM, 500GB 7200 rpm hard drive, Gigabit Ethernet, and Windows 10 Pro 64-bit.