HP Compaq DC7900 Convertible Minitower Intel Core 2 Duo E8400 @ 3GHz 2 – ThatThingYouLove
HP Compaq DC 7900 Core 2 Quad Q9400 2.66 GHz 4GB Ram 250GB HDD Windows 10 Pro | eBay
HP Compaq dc7900 Computer PC Windows XP 7 C2D E8400 2GB Parallel Lpt RS-232 | eBay
HP COMPAQ DC7900 TW SSD120GB Desktop PC Intel® Pentium® E5300 Processor 8GB DDR2 Windows 10 Pro
Used HP DC7900-SFF Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 160GB Hard Drive and Windows 10 Pro - Walmart.com
HP HP Compaq dc7900 Convertible MiniTower 3.0GHz Core 2 DUO E8400 2GB 160GB DVD+/-RW Vista Business KP7... (Intel Core 2 Duo, 3GHz, 2GB) Desktop - KP719AV for sale online | eBay
HP DC7900 Desktop - computers - by owner - electronics sale - craigslist