Dell Small Business offers its Dell OptiPlex Micro 3040 Intel Skylake Core i3 Dual 3.2GHz Desktop PC for $579. Apply coupon codes "SAVE35" and "$50OFFBIZ" to drop it to $487.64. With free shipping, that's the lowest total price we could find by $116, although we saw it for $9 less three weeks ago. It features an Intel i3-6100T 3.2GHz Skylake dual-core processor, 4GB RAM, 128GB SSD, 802.11ac wireless, Bluetooth, USB 3.0, HDMI, and Windows 7 Professional 64-bit with a Windows 10 Pro license. Deal ends April 1.