Refurbished HP 800 G1 SFF Desktop PC with Intel Core i5-4690 3.5GHz Processor, 8GB Memory, 500GB Hard Drive, and Win 10 Pro (64-bit) (Monitor Not Included) - Walmart.com
HP Pro 3500 D8D40UT#ABA Desktop PC - Intel Pentium G870 3.1GHz, 4GB DDR3, 500GB HDD, DVDRW, Windows 7/8 Professional 64-bit, Keyboard & Mouse (Scratch and Dent) at TigerDirect.com