Refurbished: DELL Desktop Computer OptiPlex 9020 Intel Core i5 4th Gen 4590 (3.30GHz) 8GB DDR3 256 GB SSD Intel HD Graphics 4600 Windows 10 Pro 64-bit Business Desktops - Newegg.com
Refurbished: DELL Business Desktop OptiPlex 7020 Intel Core i5 4th Gen 4590 (3.30GHz) 8GB DDR3 256 GB SSD Intel HD Graphics 4600 Windows 10 Pro 64-bit Business Desktops - Newegg.com
H81 Motherboard Lga 1150 Kit With Intel Core I5-4590 Processor Ddr3 Pc 16gb (2 X 8gb) 1600mhz Ram Memory And Cpu Fan - Motherboards - AliExpress
HP Z230 Business Tower WorkStation Intel Core i5-4590 3.3GHz 4GB RAM 1TB HDD Intel HD Graphics 4600 Windows 7 Pro + Windows 8.1 Pro F1M15UT - Blessing Computers
NeweggBusiness - HP Desktop PC ProDesk 600 G1 (G5R59UT#ABA) Intel Core i5 4th Gen 4590 (3.30GHz) 8GB DDR3 500GB HDD Intel HD Graphics 4600 Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro)