HP Compaq Desktop PC dc5750(KA620UT#ABA) Athlon X2 5400B (2.80GHz) 2GB DDR2 500GB HDD Windows Vista Business / XP Professional downgrade - Newegg.com
Amazon.com: HP Compaq Pro 6305 SFF, AMD A6-5400B up to 3.8GHz, 8G DDR3, 500G, DVD, VGA, DP, Windows 10-Multi-Language Support English/Spanish/French (Renewed) : Electronics