RAM & Memory Upgrades
2GB (2 x 1GB) DDR 333/400MHz 184-PIN MEMORY RAM KIT COMPATIBLE WITH MAC MINI G4, EMAC G4, IMAC G5 & POWERMAC G5
SIZE/CAPACITY: 2GB KIT (2 x 1GB) VOLTAGE/POWER CONSUMPTION: 2.5v / 2.6v (400MHz) CAS LATENCY: CL2 / CL2.5 / CL3 SPEED: PC2100 (266MHz) / PC2700 (333MHz) / PC3200 (400MHz) - THREE SEPARATE KITS AVAILABLE TYPE/INTERFACE: 184-PIN DDR DIMM 184-PIN EMAC...
https://www.bizrate.co.uk/ram_memoryupgrades/2gb-2-x-1gb-ddr-oid31534443099.html