All Macs
Power Macintosh G3 (Blue & White)
Power Mac
1990-1999

Power Macintosh G3 (Blue & White)

First Mac with FireWire 400. Dramatic redesign with translucent blue and white plastic tower.

Introduced January 5, 1999, the Power Macintosh G3, universally known as the 'Blue and White G3' for its striking translucent blue-and-white case, marked as dramatic a design departure for Apple's professional desktop line as the iMac had achieved for consumers just months earlier. Gone was the beige minitower that had defined Power Macs since the mid-1990s, replaced by a bold, curvaceous case with a tool-free swing-open side panel that let users access internal components without a screwdriver, a genuinely user-friendly innovation that professional IT departments and hobbyist tinkerers alike immediately appreciated. Under the hood, the PowerPC G3 ran from 300 up to 450MHz across its production run with Mac OS 8.5.1, and the machine adopted Apple's new New World ROM architecture, the same forward-looking foundation used in the iMac, which meant it could eventually run Mac OS X natively, unlike the Old World ROM Beige G3 it replaced. Most significantly, the Blue and White G3 was the first Macintosh, and among the first computers of any kind, to include FireWire ports standard, a high-speed serial bus Apple had co-developed that would soon become the backbone of digital video editing and external storage for years to come, well before USB reached comparable speeds. This machine effectively completed the transition that had begun with the Beige G3's stunning Pentium II-beating benchmarks, now wrapped in industrial design language that matched the iMac's playful confidence rather than the conservative beige boxes of Apple's past. Reviewers were near-universally enthusiastic, praising both the tool-free case design, a genuine ergonomic advance many rival PC towers still lacked years later, and the continued G3 performance advantage over Intel's contemporary offerings. Professional users, particularly in video and audio production, gravitated to the Blue and White G3 specifically because of its early FireWire support, which arrived just as affordable FireWire-based DV camcorders were beginning to reshape independent filmmaking. The machine's success reinforced that Apple's design renaissance under Steve Jobs and Jony Ive wasn't confined to consumer products, it extended fully into the professional workstation space as well. Historically, the Blue and White G3 stands as a pivotal bridge machine: it closed out the classic Mac OS era's tower design with real style, established FireWire as a defining Mac feature, and readied Apple's professional desktop line architecturally for the Mac OS X transition that would arrive just a couple of years later.

Launch price: $1,599

Mac History Timeline

1984-1989
1990-1999
2000-2005
2006-2012
2013-2019
2020-present
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Power Macintosh G3 (Blue & White)1999โ€“1999

Full Specifications

Availability

IntroducedJanuary 5, 1999
DiscontinuedAugust 31, 1999
Original OSMac OS 8.5.1

Processor

CPUPowerPC G3 (750)
Clock Speed300โ€“450 MHz
FPUBuilt-in (PPC G3)
System Bus100 MHz
L2 Cache1 MB backside

Memory

Standard RAM64โ€“128 MB
Maximum RAM1 GB
RAM TypePC100 SDRAM DIMM
RAM Slots4

Storage

Storage6 GB HDD

Display

DisplayExternal

Graphics

GPUATI Rage 128
VRAM16 MB

Expansion

Expansion Slots4 PCI

Connectivity

PortsUSB (ร—2), FireWire 400, SCSI, Ethernet, audio

Physical

Weight25 lbs (11.3 kg)

Processor Deep Dive

๐Ÿ”ฒ

PowerPC 750 (G3)

IBM/Motorola
Architecture: PowerPC (RISC)
Introduced: 1997
Process: 0.29 micron
Transistors: 6.35 million

The PowerPC 750 G3 in the Blue and White Power Mac ran from 300 up to 450MHz, its fastest implementation yet, continuing to outperform Intel's Pentium II and early Pentium III chips in numerous real-world professional benchmarks. Its efficient architecture and generous cache gave professional users strong performance for video, audio, and publishing workloads. This chip generation also benefited from the New World ROM architecture surrounding it, enabling a smoother eventual transition to Mac OS X that the earlier Old World ROM Beige G3 could not achieve.

Power Mac progression ยท 10 of 11

Compatible Operating Systems

Mac OS 8.5.1

Mac OS 8.5.1

Launch OS

1999

Shipped standard on the Blue and White Power Mac G3.

Mac OS 8.6

Mac OS 8.6

Compatible

1999

Widely adopted stability update shortly after launch.

Mac OS 9.0

Mac OS 9.0

Compatible

1999

Brought expanded multiple-user support and Sherlock 2.

Mac OS 9.2.2

Mac OS 9.2.2

Compatible

2001

The final and most refined classic Mac OS release supported on this hardware.

Mac OS X 10.3 Panther

Mac OS X 10.3 Panther

Max Supported

2003

Ran natively thanks to New World ROM architecture, generally considered the practical ceiling for smooth performance.

Reviews & Reception

The Blue and White G3 earned strong, near-unanimous praise for its tool-free design, pioneering FireWire support, and continued G3 performance advantage over Intel rivals.

The Blue and White G3 brings the iMac's design confidence to the professional tower, and the tool-free case is a genuine, lasting improvement.

MacWorld
1999
5/5

Built-in FireWire arrives right as digital video is exploding, making this the machine serious video editors have been waiting for.

MacUser
1999
5/5

Performance against Pentium II workstations remains strong, and the redesigned case makes upgrades genuinely painless for the first time in years.

BYTE
1999
4/5

Apple's professional desktop finally looks as forward-thinking as its specs suggest, with FireWire positioning it well ahead of most Windows workstations.

PC Magazine
1999
4/5