Used Dell 23" OptiPlex 9030 All-In-One Desktop Computer (Intel Core i7, 8GB RAM, 1TB) (Mouse, Keyboard, and Speakers) - Walmart.com
Amazon.com: Dell OptiPlex 9030 All-in-one PC (23-Inch Full HD LED Display, Intel Core i7-4790S 3.2GHz Processor, 8GB DDR3L RAM, 500GB HDD, Windows 8.1 Pro 64-bit OS) : Electronics
Refurbished: Dell OptiPlex 9030 AIO 23" All-In-One Intel CoreI5 4th Gen I5-4690S 3.2GHz 16 GB DDR3 500GB SATA - Newegg.com