Apple iMac “PowerPC G4” 700 MHz Flat Panel 2002 Specs

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iMac – M8672LL/A – PowerMac4,2 – M6498

Apple iMac "PowerPC G4" 700 MHz Flat Panel 2002 Specs

About this iMac

The Apple iMac G4 was an innovative machine for its time. It came lighter in weight and also with a smaller size than previous iMacs. This device featured two FireWire “400” ports. It had its internal components housed by a 10.6 inch Ice white case with a chromed steel neck that supported a 15’ TFT Active-Matrix display. The graphics card used to run the device was the NVIDIA GeForce2 MX. It’s processing speed and RAM capacity was one of the leaders of its time and in that period many users were left in awe, the device was widely publicised for its futuristic look, something Apple would be known for with its innovative devices.

700 MHz PowerPC G4

128 MB

40 GBHard Drive

Plugged-in

Storage

The device was shipped with 40.0 GB Ultra ATA/66 hard drive storage with a storage speed of 5400 RPM.

Screen Size and Resolution

The iMac had a 15 inch TFT Active Matrix LCD Display.

Processor& Graphics Processing Unit (GPU)

The iMac had MAC OS 9.2.2 or Mac OS X 10.1.2 pre-installed on it. The processor that powered the computer was the 700 MHz PowerPC 7441 (G4) processor. It’s graphics processor was the NVIDIA GeForce2 MX graphics that used up to 32 MB of VRAM.

Memory & Architecture

The device was built with a 256k on-chip level 2 cache and with a RAM of either 128 MB or 256 MB.

Upgradability

Although the iMac came with 128 MB or 256 MB of RAM it could be upgraded to up to 1 GB of RAM.
The Operating System of the iMac can also be upgraded from its pre-installed MacOS 9.22 or Mac OS X 10.1.2 to up to MacOS X 10.4.11.
The iMac bondi blue and ice computer dimensions were 32.9 cm, 38.3 cm, 27.0 cm with a weight of 21.3 lbs (9.7 kg).

Inclusive Features

The iMac includes the following features and ports:

A Power Adapter (90 V to 246V AC, 130 W maximum)
Support for an optional AirPort (802.11b) wireless card.
1 Mini-VGA port that supported Mirroring
Combo Drive
External Apple pro Speakers.

Introduced:January 7, 2002		Discontinued:February 4, 2003
Screen Size and Resolution		Memory
Screen Size	15 inches TFT	Level 1 Cache	64k
Resolution	1024×768	Level 2/Level 3 Cache	256k (on-chip)
Processor		RAM Type	PC133 SDRAM
Processors	1	Min. RAM Speed	10 ns
Architecture	32-Bit	Standard RAM	128 MB, 256 MB
Speed	700 MHz	Maximum RAM	1 GB
Type	PowerPC 7441 (G4)	RAM Slots	2
Processor Upgrade	Soldered	Motherboard RAM	None
FPU	Integrated	Graphics
System Bus Speed	100 MHz (7:1)	Video Card	GeForce2 MX
Cache Bus Speed	700 MHz (Built-in)	VRAM Type	DDR SDRAM
ROM/Firmware	Open Firmware	Standard VRAM	32 MB
EFI Architecture	N/A	Maximum VRAM	32 MB
Storage		Inclusive Features and Ports
Standard Storage	40 GB HDD	Standard Optical Drive	10X CD-RW/Combo
Storage Speed	5400 RPM	Standard Ethernet	10/100Base-T
Storage Dimensions	3.5” (25.4 mm)	Standard Modem	56k v.90
Storage Interface	Ultra ATA/66	Standard Air Port	802.11b (Optional)
Battery		Standard Bluetooth	None
Type	3.6V Lithium	USB Port 1.1	3
Battery Life	N/A	FireWire (400)	2
Description		Keyboard	Apple Pro Keyboard
Case Type	All-in-One	Inclusive Input	Apple Pro Mouse
Form Factor	iMac G4 15” Flat Panel	S-Video Output	None
Apple Order No	M8672LL/A	Microphone	1 (Built-in)
Apple Subfamily	iMac Flat Panel	Headphone	2
Apple Model Number	M6498 (EMC 1821)	Sound Out	1
Model ID	PowerMac 4.2	Power Adapter	1

Identifier reference: M8672LL/A, EMC 1821. Use these together because one Apple identifier can sometimes cover multiple configurations.

Last reviewed by Techable: August 19, 2025Identifiers checked: order number, A-number, EMC, and model identifier when available.

Model summary

This iMac at a glance

Family: iMac
Order Number: M8672LL/A
EMC: 1821
Year: 2022

Use the order number, A-number, EMC, and model identifier together when comparing, buying, or selling this device.

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Next steps

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Common questions

Is M8672LL/A the same as the A-number?

Not exactly. M8672LL/A usually points to a specific retail configuration, while the A-number identifies the broader Apple hardware family. Always check the EMC and model identifier too.

What iMac is model this A-number?

This page shows the Apple A-number for the device family. Use the order number, EMC, and model identifier on this page to narrow the exact configuration.

What does EMC 1821 mean?

The EMC number is another Apple hardware identifier. It helps separate closely related models that may share a similar name, year, or A-number.

Can the RAM or SSD be upgraded?

Check the spec table for the exact configuration. Many newer Apple Silicon Macs have memory and storage integrated into the board, so RAM and SSD upgrades are often not practical after purchase.

What macOS versions work with this model?

Use the model identifier, release year, and processor family from the spec table when checking macOS compatibility. Compatibility can change as Apple releases new macOS versions.

Is this iMac still worth buying used?

It can be, depending on price, battery health, memory, storage, and condition. Compare this exact order number and model identifier against similar Techable listings before buying.

How much is this iMac worth?

Value depends on RAM, storage, battery health, cosmetic condition, accessories, and market demand. Use the SellMac path on this page for a quote or use the identifiers here when comparing resale prices.

What should I search if this page is not the exact configuration?

Search the order number first when available, then compare the A-number, EMC, model identifier, year, chip, RAM, and storage. The same A-number can cover more than one configuration.

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