This G4s is for sale in very good condition and it is A Dual 450Mhz PowerPC G4 with 1.5GB RAM, AGP ATY Rage128 Pro graphics card and 30GB Hard drive, running Mac OS X Leopard 10.5.8 A 450Mhz PowerPC G4 with 384MB RAM, AGP ATY Rage128 Pro graphics card and 20GB Hard drive, running Mac OS X Leopard 10.5