Dell Small Business offers its Dell OptiPlex 3040 Intel Skylake Pentium 3.3GHz Small Form Factor Desktop PC for $529. Coupon codes "SAVE35" and "$50OFFBIZ" stack to cut it to $441.21. With free shipping, that's $315 off list and the lowest total price we could find, although we saw it for $12 less three weeks ago. It features an Intel Pentium G4400 3.3GHz Skylake dual-core processor, 4GB RAM, 500GB 7,200 rpm hard drive, and Windows 7 Professional 64-bit with a Windows 10 Pro License. (No optical drive is included.) Deal ends April 1.