iMac G5 20-inch Mid 2005

The Apple iMac G5 20-inch Mid 2005 is a personal computer that was designed, manufactured, and sold by Apple in 2005 as part of the iMac G5 series of iMac computers. The computer has been introduced on May 3, 2005, and its price started at $1799.

The new iMac G5 features a 2 GHz PowerPC 970fx G5 processor, 512 MB of RAM, 20-inch LCD TFT Display, 250 GB hard drive, slot-loading 4x DVD-R/CD-RW “SuperDrive”, Ambient Light Sensor, built-in Bluetooth 2.0 + EDR, USB 2.0 ports, standard AirPort Extreme Card, and 128 MB ATI Radeon 9600 graphics.

This iMac has been discontinued on October 12, 2005, and has been replaced by the iMac G5 20-inch Late 2005.

Today iMac G5 20-inch Mid 2005 is 18 years old!

iMac G5
Source: – iMac G5

iMac G5 20-inch Mid 2005 Release Date and Original Price

IntroducedMay 3, 2005
DiscontinuedOctober 12, 2005
Model IdentifierPowerMac8,2
Model NumberA1076
Order NumberM9845LL/A
Original Price$1,799
Weight25.2 Ibs.
11.430 KG
Dimensions18.6” H x 19.4” W x 7.4” D
47.24 cm H x 49.27 cm W x 18.79 cm D

Tech Specs


ProcessorPowerPC 970fx G5
Processor Speed2 GHz
Number of Cores1
System Bus667 MHz
Cache64 / 32 KB L1
512 KB backside L2

Storage & Media

Storage250 GB
400 GB
Media1 – 4x DVD-R/CD-RW “SuperDrive” slot-loading


Built-in Memory512 MB
Maximum Memory2 GB
Memory Slots2 – PC-3200 183-pin DDR SO-DIMM 400 MHz
Interleaving SupportYes


Built-in Display20″ TFT LCD Display
Brightness230 cd/m²
Resolutions640 x 480
800 x 500
800 x 600
840 x 524
1024 x 640
1024 x 768
1280 x 800
1344 x 840
1680 x 1050


Graphics CardATI Radeon 9600
Graphics Memory128 MB
Display Connection1 – Mini-VGA (Composite and S-video with adapter)
Display ModesVideo mirroring only
External ResolutionN/A


Expansion SlotsNone
Optical Drive InterfaceUltra ATA/133
Hard Drive Interface1.5 Gbps Serial ATA (SATA)


Ethernet10/100BASE-T (RJ-45)
Wi-FiAirPort Extreme Card 802.11b/g
BluetoothBluetooth 2.0 + EDR
USB3 – 480 Mbps (USB 2.0)
FireWire2 – 400 Mbps
Audio In1 – 3.5-mm analog input jack
1 – Built-in microphone
Audio Out1 – 3.5-mm analog/optical combo jack
2 – Built-in speakers
Display1 – Mini-VGA (Composite and S-video with adapter)


Original OSMac OS X 10.4
Maximum OSMac OS X 10.5.8
FirmwareMac OS ROM
Bundled SoftwareMac OS X 10.4
iMovie 2
iTunes 2
iDVD 2
DVD Player
Mac OS X Mail
Microsoft Internet Explorer
EarthLink (includes 30 days of free service)
Quicken 2002 Deluxe
World Book Mac OS X Edition
Mac OS X Chess
Otto Matic
Deimos Rising
Acrobat Reader
Apple Hardware Test CD

Keyboard and Mouse

PeripheralsApple Keyboard
Apple Mouse


Backup Battery3 V CR2032 Lithium
Maximum Continuous Power180 W
Line Voltage100-120 V AC or 100-240 V AC

Apple Support – iMac G5 (Ambient Light Sensor, Mid 2005): Technical Specifications

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