Apple 150 Watt Power Adapter Perfect fit for Apple 20" 23" and 30" Displays. The Adapter DOES NOT come with a power cord. All adapters have unique serial that will be recorded upon sale. Model Number: A1098 Compatible Part Number: 661-3356, 611-0390, 611-0346 Brand New! 60 Day MacBlowouts Replacement Warranty!! Please recycle old adapter.