slot 7000The main differences between the Dell OptiPlex 3000, 5000, and 7000 is: The OptiPlex 3000 is the cheapest option. What you get is a less capable chipset (B660); FewerAPP The Best On Casino LoginEnjoy The Hot Games:Jili slot, PG Slot,Bingo,Live casino,Sabong,Cockfht,Esport,Super Ace,Fortune Gems,Mines.