Amazon.com: Dell OptiPlex 390 MT/Core i5-2400 @ 3.1 GHz/8GB DDR3/1TB HDD/DVD-RW/Windows 7 PRO 64 BIT : Electronics
Amazon.com: Dell Optiplex 390 Tower Business High Performance Desktop Computer PC Wi-Fi (Intel Quad-Core i5-2400 up to 3.4GHz, 8GB DDR3 Memory, 2TB HDD, DVD, Windows 10 Pro 64-bit HDMI (Renewedd) : Electronics