MG4/512D3 - Viking's mission is to create products that enhance the speed, power and performance of IT systems, thereby increasing their value to the user. Viking's current offering includes over 2000 different memory, modem and flash memory products that present the fastest, most cost-effective means of expanding the capabilities of a computer or a digital device.This memory is designed for Apple Computer PowerMac G4 Dual 1GHz, 1.25GHz (DDR333). Additional Information: Viking memory - 512 MB - DDR Storage Capacity: 512 MB Upgrade Type: Generic Technology: DDR SDRAM Memory Speed: 333 MHz ( PC2700 ) Features: Unbuffered Manufacturer Warranty: Limited lifetime warranty 798442382296