What's even better, you can have anything from 8mb to 64mb cards! Higher Definition Graphics - With PCSX2 for macOS you have the ability to play your games in 1080p, or even 4K HD if you want to! The graphics plugin GSDX gives you the opportunity to simulate the real experience or make your game look like a Playstation 3 HD re-release!. Other notable features are as follow: Savestates - You can press one button to save the current 'State' of your game so if you need to turn it off, you can jump right back to where you were without waiting for the game to load! Unlimited Memory Cards - You can save as many memory cards as you like, you are no longer limited to the single physical cards like you would be on the real machine. The compatibility rates boast over 80% of all PS2 games as playable and provide an enjoyable experience for reasonably powerful computers, but provides support for lower end computers for those curious to seeing their Playstation 2 games working on their Mac! The emulator provides means of using controllers to simulate the Playstation experience and gives you the ability to either run the games straight from the disc or as an ISO image from your hard drive.

PCSX2 is a Playstation 2 emulator for Mac which has been going for over 10 years.

Psx2 emulator for mac