Apple Power Mac G5 1.8 GHz PCI Specs

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Power Mac G5 - M9555LL/A - PowerMac9,1 - A1093

Power Mac G5 | 1.8 GHz | PCI M9555LL/A, A1093, EMC 2020

About This Power Mac

One of the unique and key highlights of The Apple Power Mac G5 is – it is the first of all the Mac Series computers to function with a 64-Bit PowerPC 970fx (G5) processor and is also one of the first across all manufacturers to employ 64-bit processors Desktop line. This processor allows the device to be faster among the peers of its time. It comes with an 80 GB hard drive installed for its storage and, an NVIDIA GeForce FX 5200 Ultra (AGP 8X Pro) video card with 64 MB of DDR SDRAM. It is designed with 9 computer-controlled fans for optimum cooling and also a removable side panel for easy access to internal components to allow for upgrades. The Power Mac G5 is a history-making device and certainly caused a lot of excitement during its release.

Storage

The Apple Power Mac G5 device is built with 80 GB Serial ATA (1.5 Gb/s) hard drive storage with a storage speed of 7200 RPM.

Screen Size and Resolution

The Power Mac G5 can support dual displays for its primary display functions with a resolution of 1920×1200 and also is secondary display can perform dual or mirroring functions also at 1920×1200 resolution.

Inclusive Features

The Power Mac includes the following features and ports:

2nd Display Dual/Mirroring Support with a maximum resolution of 1920×1200.
8X “SuperDrive”.
2 FireWire “400” ports and 1 FireWire “800” port.

Processor & Graphics Processing Unit (GPU)

The Apple Power Mac G5 has MacOS X 10.3.5 (8E90) pre-installed on it and runs on a 1.8 GHz PowerPC 970fx (G5) processor. Its graphics are supported by an NVIDIA GeForce FX 5200 Ultra (AGP 8X Pro) video card with 64 MB of DDR SDRAM

Memory & Architecture

The Apple Power Mac G5 device is built with a 32k/64k level 1 cache and 512k level 2 on-chip cache. The RAM for its configuration is a 256 MB of 400 MHz PC3200 DDR SDRAM.

1.8 GHz PowerPC 970fx (G5)

256 MB

80 GB Hard Drive

N/A

Upgradability

Although the Power Mac G5 comes with 256 MB of RAM it can be upgraded to up to 4 GB of RAM. The Operating System of the Power Mac G5 can also be upgraded from its pre-installed MacOS X 10.3.5 (8E90) to MacOS X 10.5.8. The Power Mac G5 dimensions are 511mm×206mm×475mm and it has a weight of 36.0 lbs. (16.4 kg).

Introduced: October 19, 2004		Discontinued: June 13, 2005
Display Details		Memory
Display Support	Dual Displays	Level 1 Cache	32k/64k
Resolution Support	1920×1200	Level 2/Level 3 Cache	512k
Processor		RAM Type	PC3200 DDR
Processors	1	Min. RAM Speed	400 MHz
Architecture	64-Bit	Standard RAM	256 MB
Speed	1.8 GHz	Maximum RAM	4 GB
Type	PowerPC 970fx (G5)	RAM Slots	4
Processor Upgrade	G5 Daughtercard	Motherboard RAM	None
FPU	Integrated	Graphics
System Bus Speed	600 MHz (3:1)	Video Card	GeForce FX 5200 Ultra
Cache Bus Speed	1.8 GHz (Built-in)	VRAM Type	DDR SDRAM
ROM/Firmware	Open Firmware	Standard VRAM	64MB
ROM/Firmware size	1 MB	Maximum VRAM	64 MB
Storage		Inclusive Features and Ports
Standard Storage	80 GB HDD	Standard Optical Drive	8X “SuperDrive”
Storage Speed	7200 RPM	Standard Ethernet	10/100/1000Base-T
Storage Dimensions	3.5” (26.10 mm)	Standard Modem	56k v.92
Storage Interface	Serial ATA (1.5 Gb/s)	Standard Air Port	802.11b/g (Optional)
Battery		Standard Bluetooth	1.1 (Optional)
Type	3.6V Lithium	USB Port 2.0	3
Battery Life	N/A	FireWire Ports	2 (400), 1 (800)
Description		Keyboard	Apple Pro Keyboard
Case Type	Tower	Inclusive Input	Apple Pro Mouse
Form Factor	Power Mac G5	S-Video Output	None
Apple Order No	M9555LL/A	Sound In	2
Apple Subfamily	Late 2004	Headphone	1
Apple Model Number	A1093 (EMC 2020)	Sound Out	2
Model ID	PowerMac 9.1	Power Adapter	N/A

Identifier reference: M9555LL/A, A1093, EMC 2020. Use these together because one Apple identifier can sometimes cover multiple configurations.

Last reviewed by Techable: November 28, 2021Identifiers checked: order number, A-number, EMC, and model identifier when available.

Model summary

This Power Mac at a glance

Family: Power Mac
Order Number: M9555LL/A
Model Number: A1093
EMC: 2020
Year: 2020

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Next steps

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Common questions

Is M9555LL/A the same as A1093?

Not exactly. M9555LL/A usually points to a specific retail configuration, while A1093 identifies the broader Apple hardware family. Always check the EMC and model identifier too.

What Power Mac is model A1093?

A1093 is the Apple A-number shown for this Power Mac family. Use the order number, EMC, and model identifier on this page to narrow the exact configuration.

What does EMC 2020 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 Power Mac 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 Power Mac 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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