RAM & Memory Upgrades
2GB (2 x 1GB) DDR 333MHz PC2700 200-PIN SODIMM & 184-PIN DIMM MEMORY RAM KIT COMPATIBLE WITH IMAC G4 FLAT PANEL 17 INCH 1GHz & USB2.0
SIZE/CAPACITY: 2GB KIT (2 x 1GB) VOLTAGE/POWER CONSUMPTION: 2.5v CAS LATENCY: CL2.5 SPEED: PC2700 (333MHz) TYPE/INTERFACE: 200-PIN DDR SODIMM & 184-PIN DDR DIMM 184-PIN DIMM&200-PIN SODIMM IMAC G4 FLAT PANEL KIT
https://www.bizrate.co.uk/ram_memoryupgrades/2gb-2-x-1gb-ddr-oid34943950227.html