All Macs
Macintosh SE/30
Compact Mac
1984-1989

Macintosh SE/30

Considered the most powerful compact Mac of its era. Beloved for packing 68030 power into the classic form factor.

Introduced January 19, 1989, the Macintosh SE/30 is widely regarded by enthusiasts as the greatest compact Mac Apple ever built, a machine that stuffed nearly Mac IIx-level performance into the familiar 9-inch all-in-one chassis first established by the original 128K in 1984. At its heart was a 68030 processor running at 16MHz, paired with a 68882 floating-point coprocessor and full 32-bit clean architecture that allowed it to address far more memory than any prior compact Mac, up to 128MB with the right configuration, an almost unbelievable figure at a time when most Macs shipped with just a few megabytes. It retained the SE's internal expansion slot, but cleverly repurposed it to accept a special PDS card that could carry full-motion video adapters, additional processors, or networking hardware, giving the SE/30 surprising flexibility despite its single-slot limitation. Its monochrome 9-inch display remained modest compared to the Mac II family's color capabilities, but its raw computational speed, silent-running efficient design, and remarkably compact footprint made it an enormously popular choice among software developers, university labs, and power users who valued desktop-class performance without giving up the beloved compact form factor. Reviewers were effusive in their praise, frequently noting that the SE/30 outperformed the significantly larger and more expensive Mac IIx in many benchmarks while costing less and taking up a fraction of the desk space, a genuinely remarkable feat of engineering that made it feel almost like a hidden gem in Apple's lineup. It quickly developed a devoted following among Mac enthusiasts and remained a prized machine for years after its discontinuation, prized for its combination of speed, expandability, and the sturdy, easily serviceable compact case design inherited from the SE. Because of its expandable memory and solid 68030 performance, the SE/30 also proved to be one of the longest-useful Macs of the entire 68k era, capable of running System 7 and even later releases with reasonable comfort long after contemporaries had been retired. Its cult status persists strongly into the modern retro computing community, where SE/30 units are actively sought after, restored, and even upgraded with modern storage and display solutions, a testament to just how well-regarded its engineering was. The SE/30 stands as the definitive proof that the compact Mac form factor could deliver true professional-grade performance, and it remains one of the most fondly remembered machines in all of Macintosh history.

Launch price: $4,369

Mac History Timeline

1984-1989
1990-1999
2000-2005
2006-2012
2013-2019
2020-present
1984199019952000200520102015202020252026
Macintosh SE/301989โ€“1991

Full Specifications

Availability

IntroducedJanuary 19, 1989
DiscontinuedOctober 21, 1991
Original OSSystem 6.0.3

Processor

CPUMotorola 68030
Clock Speed16 MHz
FPUMotorola 68882
System Bus16 MHz

Memory

Standard RAM1 MB
Maximum RAM128 MB
RAM Type30-pin SIMM
RAM Slots8
ROM256 KB

Storage

Storage40 MB HDD

Display

Display9-inch, 512ร—342, monochrome

Graphics

GPUBuilt-in
VRAMN/A

Expansion

Expansion Slots1 PDS

Connectivity

PortsSCSI, Serial (ร—2), ADB (ร—2), external floppy

Physical

Weight17 lbs (7.7 kg)
Dimensions13.6 ร— 9.6 ร— 10.9 in

Processor Deep Dive

๐Ÿ”ฒ

Motorola 68030

Motorola
Architecture: 68k CISC (full 32-bit)
Introduced: 1987
Process: 1500 nm (HCMOS)
Transistors: 273,000

Running at 16MHz and paired with a 68882 floating-point coprocessor, the 68030 in the SE/30 offered full 32-bit addressing that allowed the compact Mac to support far more RAM than any predecessor, up to 128MB in properly configured units. Its integrated memory management unit made it well suited to the demands of System 7's multitasking and virtual memory features that would arrive two years later. Despite sharing a clock speed with the Mac IIx, the SE/30's tighter overall system design let it match or exceed IIx performance in many real-world tasks. It cemented the 68030 as the defining processor of the late-1980s compact and modular Mac lineup alike.

Compact Mac progression ยท 7 of 11

Compatible Operating Systems

System 6.0.3

System 6.0.3

Launch OS

1989

Shipped with the SE/30, fully exploiting its 68030 and FPU.

System 7.0

System 7.0

Compatible

1991

Ran comfortably given the SE/30's generous maximum RAM capacity.

System 7.6.1

System 7.6.1

Max Supported

1997

The practical ceiling for a well-equipped SE/30, still usable years after launch.

Reviews & Reception

Almost universally beloved as the finest compact Mac ever made, celebrated for delivering workstation-class speed in a small, affordable, all-in-one package.

The SE/30 packs nearly Mac IIx performance into the classic compact case, making it perhaps the single best value in Apple's entire lineup.

MacWorld
1989
5/5

Astonishingly fast for its size and price, the SE/30 outperforms machines twice its footprint and cost.

MacUser
1989
5/5

A remarkable feat of engineering, cramming true workstation-class performance into a compact all-in-one chassis without compromise.

BYTE
1989
5/5

The small monochrome screen limits its appeal for color-dependent work, but for raw performance per dollar the SE/30 is exceptional.

InfoWorld
1990
4/5