HP Compaq Pro 6305 Computer MicroTower AMD A6 APU, Nvidia GeForce Graphics | eBay
HP Compaq Prodesk 6200 Pro Slim Business Desktop Computer Small Form Factor (SFF), Intel i5-2400 up to 3.4GHz, 8GB DDR3, 1TB HDD + 128GB SSD, DVD, Windows 10 Pro 64 Bit (Renewed)
HP business desktops - Wikipedia
HP 8300 Complete Overhaul: PSU and GPU upgrades | tonymacx86.com