HP Desktop PC 3500 E3T54UT#ABA Pentium Dual Core G2030 (3.00GHz) 2GB DDR3 500GB HDD Windows 7 Professional 64 (available through downgrade rights from Windows 8 Pro) - Newegg.com
LENOVO H520 TOWER PC INTEL PENTIUM G2030 3.0GHz 8GB 500GB WINDOWS 10 HOME FEDEX | eBay