System pulls or new Apple Service parts, 90-day warranty. It is not necessary to send your old power supply back to us. POWER SUPPLY 661-3738 for PowerMac G5 Tower, 1KW $419.99 POWER SUPPLY 661-3737 for PowerMac G5 Tower, 710w $289.99 POWER SUPPLY 661-2904 or 614-0303 for PowerMac G5 Tower, 600W $269.99 POWER SUPPLY 661-2903 for PowerMac G5 Tower, 450W $199.99 POWER SUPPLY 614-0085 or 661-2256 POWER SUPPLY for G4 AGP or PCI, 208w $169.99 POWER SUPPLY 614-0091 or 661-2256 FOR G4 AGP, 200w $149.99 POWER SUPPLY 614-0108 or 661-2303 for G4 AGP Sawtooth Rev 2 $199.99 614-0112 or 661-2332 POWER SUPPLY for G4 w/Gigabit Ethernet, 338w $249.99 614-0137 or 661-2412 POWER SUPPLY for G4 Digital Audio $249.99 614-0157 or 661-2513 POWER SUPPLY for G4 Quicksilver $249.99 POWER SUPPLY 614-0183 or 661-2816 for G4 MDD $349.99 POWER SUPPLY 661-2107 for Blue & White G3 $99.99 POWER SUPPLY 661-2455 for G4 Cube (205w) $219.99 Hardcore Mac sales@hardcoremac.com (520) 723-8702 - (520)-723-8704 fax