Apple/Mac G4 500MHz & 1GB RAM Apple - Mac Desktop Computer - Super fast, and Super Cheap! Apple PowerMac G4 350 MHz Tower System Grade B (See below for description) General Features: Grey housing Mac OS 9 pre-installed 350 MHz PowerPC G4 processor (CPU) 133 MHz Bus Speed 128 MB RAM, expandable to 1 GB using PC133 SDRAM 16 MB VRAM Video controller 10 GB Ultra ATA hard drive CD-ROM Built-in 10/100 Ethernet Motherboard Features: One (1) AGP slot Three (3) PCI slots