Apple · Macintosh

Macintosh LC 550

Released 1994

An all-in-one Macintosh with a 14-inch colour CRT and 33 MHz 68030 processor.

Specifications

Processor: Motorola 68030 33 MHz (Macintosh LC 550)
CPU cores: 1
Memory: 4 MB
Storage: 160 MB
CPU: 33 MHz Motorola 68030 with built-in memory management unit and socket for an optional 68882 floating-point unit
GPU: 512 KB video RAM displays 8-bit colour at 640 × 480; an upgrade to 768 KB enables 16-bit colour
Memory type: 4 MB on the logic board with one 72-pin SIMM socket, expandable to 36 MB
Storage type: 160 MB internal SCSI hard drive configuration, 1.44 MB floppy drive and optional internal 2× CD-ROM. Apple's 1994 technical booklet also lists 40 and 80 MB drives; its later support sheet lists 160 MB minimum.
Expansion slots: One LC processor-direct slot

Ports: Headphone jack
Back ports: Two Apple Desktop Bus ports, two serial ports, external SCSI, audio input and stereo output; front headphone jack
Speakers: Two built-in stereo speakers
Microphones: Built-in microphone

Type: All-in-one
Weight: 18.4 kg
Width × depth × height: 344 × 419.8 × 443.4 mm
Operating system: macOS
In the box: Apple's support sheet lists 2 February 1994 as introduction, but a distinct first-sale date was not established. Its support sheet says 40 W maximum whereas its 1994 technical booklet says 120 W; power is therefore omitted.

Processor	Memory	Storage	Storage type
Motorola 68030 33 MHz (Macintosh LC 550)	4 MB	160 MB	Hard drive

Model	Type	Processor	Memory	Storage	Screen	Weight	Released
AppleMacintosh LC 575	All-in-one	Motorola 68LC040 33 MHz (Macintosh LC 575)	4 MB	160 MB – 320 MB	14″	–	1994
AppleMacintosh Color Classic	All-in-one	68030 16 MHz (Macintosh Color Classic)	4 MB	40 MB – 160 MB	8.2″	10.2 kg	Feb 1993
AppleMacintosh LC 520	All-in-one	68030 25 MHz (Macintosh LC 520)	4 MB	80 MB – 160 MB	14″	–	1993