Skip to content
iMac G5 (20-inch)

iMac G5 (20-inch)

The iMac G5 (20-inch) is an all-in-one desktop that Apple introduced on 31 August 2004 and sold until May 2005. It has a 20-inch display at 1680×1050. It came in 2 configurations, with a 1.8 GHz PowerPC 970 (G5) processor, 256 MB of memory and 160 GB HDD of storage.

Model number
A1076
Model identifier
PowerMac8,1
EMC number
2008
Released
Mid 2004
Support status
Obsolete
Order numbers
M9824LL/A, M9250LL/A

Look up a serial number

2 configurations

Choose a configuration to see its processor, memory, graphics and storage.

Configuration Order number Graphics Original price
1.8 GHz PowerPC 970 (G5), 256 MB, 160 GB HDD M9824LL/A NVIDIA GeForce FX 5200 Ultra
1.8 GHz PowerPC 970 (G5), 256 MB, 160 GB HDD M9250LL/A NVIDIA GeForce FX 5200 Ultra US$1,899

1.8 GHz PowerPC 970 (G5), 256 MB, 160 GB HDD

Overview

Order number
M9824LL/A
Model identifier
PowerMac8,1
Introduced
31 August 2004

Processor

Processor
PowerPC 970 (G5)
Speed
1.8 GHz

Memory

Standard
256 MB

Graphics

Graphics
NVIDIA GeForce FX 5200 Ultra

Storage

Standard storage
160 GB HDD

1.8 GHz PowerPC 970 (G5), 256 MB, 160 GB HDD

Overview

Order number
M9250LL/A
Model identifier
PowerMac8,1
EMC number
2008
Introduced
31 August 2004
Discontinued
3 May 2005
Original price
US$1,899
Weight
25.2 lb

Processor

Processor
PowerPC 970 (G5)
Part number
G5
Speed
1.8 GHz
Processors
1
System bus
600 MHz
Socket
Soldered
L1 cache
32 KB/64 KB
L2/L3 cache
512 KB
FPU
Integrated

Memory

Standard
256 MB
Maximum
2 GB
Built in
None
Slots
2
Type
184-pin DDR DIMM PC-3200 (400 MHz)
Minimum speed
400 MHz

Graphics

Graphics
NVIDIA GeForce FX 5200 Ultra
Graphics memory type
DDR SDRAM
Video memory
64 MB
Maximum video memory
64 MB
External displays
Mirroring Only
Largest external display
1024×768
Video out
Mini-VGA

Storage

Standard storage
160 GB HDD
Drive speed
7200 RPM
Drive size
3.5" (26.10 mm)
Interface
SATA I (1.5 Gbit/s)

Optical

Optical drive
Slot-loading 4× "SuperDrive"

Wireless and expansion

Wi-Fi
802.11b/g (optional)
Bluetooth
1.1 (optional)
Expansion slots
AP/BL
Expansion bays
None

In the box

Operating system at launch
Mac OS X 10.3.5 (7P35)
Keyboard
Apple Keyboard
Mouse or trackpad
Apple Mouse

Shared by every configuration

Display

Screen size
20-inch
Viewable size
20-inch
Aspect ratio
16:10 Widescreen
Resolution
1680×1050
Panel
Thin film transistor (TFT) active-matrix liquid crystal display (AMLCD)
Camera
None

Ports

USB
USB-A 2.0 (480 Mbit/s) (×3)
FireWire
400 (400 Mbit/s) (×2)
Security slot
Yes

Networking

Ethernet
10/100Base-T (RJ-45)
Modem
56k V.92 (RJ-11)

Audio

Microphone
1 (Built-in)
Audio in
3.5mm Analog
Audio out
3.5mm Analog/Digital combo
Headphone jacks
1

Battery and power

Backup battery
3.0 V CR2032 lithium coin-cell
Power supply
Built in

Physical

Form factor
All-in-One
Size (H × W × D)
18.6 × 19.4 × 7.4 in

Platform

Architecture
64-Bit
Firmware
Open Firmware

Software

Latest macOS
Mac OS X 10.5.8
Mac OS 9
Classic Mode Only
Windows
Emulation Only

Legacy ports

S-Video out
1

Specs from Beetstech's device records. Something wrong? Tell us.