Macintosh SE/30

M5119 · 1989–1991 · all-in-one

Specifications

Cpu: Motorola 68030 16 MHz + 68882 FPU
Ram: max: 128 MB (8×16 MB 30-pin SIMM) · base: 1 MB
Ports: ADB ×2 · SCSI (DB-25) · RS-422 serial ×2 (printer, modem) · External floppy (DB-19) · Audio out (stereo)
Display: 9" CRT 512×342 monochrome
Storage: base: 40 MB SCSI HDD · options: 80 MB SCSI HDD
Os Support: latest: System 7.5.5 (Mode32 or 32-bit enabler needed for more than 8 MB RAM) · shipped: System 6.0.3
Release Price: $4,369

Variants

Storage

40MB HDD

80MB HDD

Upgrade paths

RAM

128 MB (8×16 MB 30-pin SIMM) · Eight SIMM slots make it the most expandable compact Mac by far. Compact case teardown applies (long Torx, CRT caution). The dirty ROM needs Mode32 to address past 8 MB.

~$60 today

MODERATE

storage

Any internal 3.5" SCSI drive or solid-state emulator · BlueSCSI or SCSI2SD is the standard modern swap.

MODERATE

CPU

68030 50 MHz or 68040 accelerators via the SE/30 PDS slot · DayStar and Micron accelerators, plus Ethernet and grayscale video cards, made the PDS slot legendary. Cards are collectible and pricey today.

MODERATE

Page contributors

Thanks to @zacharystaines for notes, guides and corrections on this page.

Stories

10 Jul 2026The SE/30 is still the best Mac Apple ever made