HP DC7900 Minitower + Core2Quad Q9400 + 4GB + 250GB + Windows 7 Pro TESTED | eBay
HP Compaq dc7900 Core 2 Duo 3 GHz - SSD 120 GB RAM 4GB | Back Market
Refurbished HP DC7900 Mini Tower Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 500GB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com
HP Compaq DC7900 Ultra Slim Desktop 4GB RAM, DVDRW, No HDD, No OS | eBay
HP Compaq dc7900 Computer PC Windows XP 7 C2D E8400 2GB Parallel Lpt RS-232 | eBay
HP Compaq DC7900 SFF Q9400 4x2.66GHz 8GB 240GB SSD Windows 10 Home | Computers \ Case \ Small Form Factor SFF Computers \ Brand \ HP Computers \ Processor \ Intel Core 2 Quad Computers | AMSO
HP DC7900 SFF BARE PC Personal Computer. SHELL - Helia Beer Co
Refurbished: HP Compaq DC7900 SFF Business PC, Dual Core 3.0GHz, 8GB RAM, 500GB HDD, DVD, VGA, Display Port, Windows 10 Pro - Newegg.com