Apple iMac G4 700MHz 256MB 40GB CDRW 15" LCD OS X -A (White) Apple iMac G4 700MHz System Grade A (see below for description) General Features: White housing Mac OS X preinstalled 700 MHz G4 processor (CPU) 100 MHz Front Side Bus 256 MB RAM, expandable to 512 MB using SODIMM SDRAM DIMMS(3.3 V, uNotebookuffered, 64-bit, 144-pin, Video controller supports a max resolution of 1024 x 768 at 75 Hz using GeForve2 MX chip set 15-inch Built-in LCD Monitor