^ 'Power Mac G5: I hear buzzes, beeps, or humming'.^ 'G5 owner Feedback on Noises, CHUD Tools Nap mode Fix'.^ 'Macintosh: Solutions for noise in the audio signal'.'Power Mac G5 Quad: Fast performance at its core'. 'The Power Mac G5 Quad: Seat belt not included'. ^ Kossovsky, Yuval (November 16, 2005).
The 2.5 GHz model is notable as the first major PC with liquid cooling included as stock.
Optional AirPort Extreme 802.11b/g (internal antenna) with Bluetooth 2.0+EDR card Optional AirPort Extreme 802.11b/g (external antenna)ĥ6k V.92 modem (Optional on Late 2004 model) NVIDIA GeForce 6800 Ultra DDL, ATI Radeon 9600, Radeon 9650, or Radeon X850 XT with 128 or 256 MB of DDR RAM NVIDIA GeForceFX 5200 Ultra, GeForce 6800 GT DDL, GeForce 6800 Ultra DDL, ATI Radeon 9600 XT, or Radeon 9800 XT with 64, 128, or 256 MB of DDR RAM
NVIDIA GeForceFX 5200 Ultra, GeForce 6800 Ultra DDL, ATI Radeon 9600 Pro, or Radeon 9800 Pro with 64, 128, or 256 MB of DDR RAM DP designates a dual-processor machine, SP designates a single-processor machine, and DC designates a dual-core-processor machine.