Power Macintosh G5 (Early 2005)


Family: PowerMac G3/G4/G5

Codename: ?

Gestalt ID: 406

Minimum OS: 10.4

Maximum OS: 10.5.8

Introduced: April 2005

Terminated: October 2005


CPU: PowerPC 970FX "G5"

CPU Speed: 1.8/2x2.0/2x2.3/2x2.7 GHz

FPU: integrated

Bus Speed: 600 MHz/1.0/1.15/1.35 GHz

Register Width: 64-bit

Data Bus Width: 64-bit

Address Bus Width: 64-bit

Level 1 Cache: 32 kB data, 64 kB instruction

Level 2 Cache: 512 kB on-processor

ROM: 1 MB ROM + 3 MB toolbox ROM loaded into RAM

RAM Type: PC3200 DDR

Minimum RAM Speed: 400 MHz

Onboard RAM: 0 MB

RAM slots: 8

Maximum RAM: 8.0 GB

Expansion Slots: 64-bit 133 MHz PCI-X, 2 64-bit 100 MHz PCI-X


GPU: Various (See Notes) (8X AGP)

VRAM: 64/128/256 MB (See Notes)

Max Resolution: all resolutions supported

Video Out: DVI, ADC


Hard Drive: 80/160/250 GB 7200 RPM

ATA Bus: Serial-ATA

Optical Drive: 32x/24x/20x/16x/16x/4x CD-RW/DVD±RW/DVD+R DL


USB: 3 (2.0)

Firewire: 2

Firewire800: 1

Audio Out: 2x stereo 24 bit mini, Optical S/PDIF

Audio In: stereo 24 bit mini, Optical S/PDIF

Speaker: mono


Modem: optional 56 kbps (See Notes)

Ethernet: 10/100/1000Base-T

Wi-Fi: optional 802.11b/g

Bluetooth: optional


Power: 700 Watts

Dimensions: 20.1" H x 8.1" W x 18.7" D

Weight: 44.4 lbs.


The single 1.8 GHz and dual 2.0 GHz models had four RAM slots for a maximum of 4 GB of RAM, and three 33 MHz, 64-bit PCI slots. The 1.8 GHz model had a 64 NVIDIA GeForce FX 5200 Ultra card with a single-link DVI and ADC ports, an 8x SuperDrive, a standard 56 kbps modem, and weighed 38 lbs. The Dual 2.0 and 2.3 models had a 128 MB ATI Radeon 9600 card with two single-link DVI ports. The Dual 2.7 GHz model had a 256 ATI Radeon 9650 with 256MB DDR SDRAM, one single-link and one dual-link DVI port. RAM modules for all models must be installed in matched pairs.

Announced in April 2005, The PowerMac G5 (Early 2005) represented a speed-bump of the existing PowerMac G5 (June 2004) line. It was sold in four configurations: 1.8 GHz/256 MB/80 GB/$1,499; Dual 2.0 GHz/512 MB/160 GB/$1,999; Dual 2.3 GHz/512 MB/250 GB/$2,499; Dual 2.7 GHz/512 MB/250 GB/$2,999. The 1.8 GHz model was quietly dropped several months later.

Picture Credits:
Apple, Inc.