Compatibility | HP Computers:EliteDesk 800 G1 Ultra-slim; EliteOne 800 G1 All-in-One; Compaq Elite 8300 All-in-One; Compaq Elite 8300 Ultra-slim; Compaq Pro 4300 All-in-One; Compaq Pro 6300 All-in-One; Compaq Pro 6305 Microtower; Compaq Pro 6305 Small Form Factor |