Macintosh LC 550 Macintosh LC 550

Macintosh LC 550 Datasheet

On February 2, 1994, Apple unveiled a remarkable personal computer that would soon become an iconic member of the Macintosh LC series. The Macintosh LC 550, known for its affordability and advanced features, captured the hearts of consumers during its short but impactful lifespan from 1994 to 1995. Today, as this beloved classic turns 30 years old, we take a nostalgic journey back to explore the enduring legacy of the Macintosh LC 550.

The Macintosh LC 550 boasted impressive specifications that made it a powerful machine during its era. Equipped with a 33 MHz Motorola 68030 processor and a Motorola 68882 FPU coprocessor, it offered exceptional processing capabilities. Additionally, its 14″ CRT color display showcased vibrant visuals, further enhancing the overall computing experience. With 5 MB of RAM, a choice between 80 MB or 160 MB hard drives, a CD-ROM drive, and a 1.44 MB floppy drive, the Macintosh LC 550 delivered both versatility and storage capacity.

Apple recognized the importance of affordability without compromising on quality. With a price tag of $1,200 at launch, the Macintosh LC 550 appealed to a wide range of consumers who sought a high-quality computer within a reasonable budget. Its accessibility played a significant role in its popularity and helped establish the Macintosh LC 550 as a staple in the computing world.

Despite its acclaim, the Macintosh LC 550 faced an unfortunate fate. Apple made the decision to discontinue the model on March 23, 1995, leaving behind a legacy that continues to resonate with enthusiasts and technology aficionados. However, even with its relatively short lifespan, the Macintosh LC 550 left an indelible mark in computing history.

The Macintosh LC 550’s sleek design and advanced features have secured its place as a timeless piece of technology. Apple’s commitment to innovation shines through in this remarkable creation. Whether it’s the powerful processing capabilities, ample storage options, or the all-in-one compact case, the Macintosh LC 550 stands as a testament to Apple’s prowess in crafting remarkable computing solutions.

The consumer version of the Macintosh LC 550, known as the Performa 550 series, brought the same exceptional features to a broader audience. This iteration further extended the impact and popularity of the LC 550, offering consumers an opportunity to experience its capabilities firsthand.

Interestingly, the Macintosh LC 550 shares the same motherboard as the rare Color Classic II, providing a unique upgrade opportunity for original Color Classic owners. By simply swapping in a 550 motherboard, users could enjoy a quick and hassle-free performance boost.

As we celebrate the 30-year anniversary of the Macintosh LC 550, it’s clear that this remarkable computer has etched itself into the annals of computing history. Its affordability, advanced features, and enduring design have solidified its status as one of Apple’s greatest creations. The Macintosh LC 550 continues to inspire nostalgia among technology enthusiasts, serving as a reminder of Apple’s dedication to delivering groundbreaking computing experiences.

Mac LC 550
Source: – Mac LC 550

Macintosh LC 550 Details

IntroducedFebruary 2, 1994
DiscontinuedMarch 23, 1995
Model Identifier80
Model NumberM1640
Order NumberUnknown
Original Price$1,200
Weight40.5 Ibs.
18.370 KG
Dimensions17.9” H x 13.5” W x 16.5” D
45.46 cm H x 34.29 cm W x 41.91 cm D

Mac LC 550 Tech Specs


ProcessorMotorola 68030
Processor Speed33 MHz
Number of Cores1
System Bus33 MHz
Cache0.5 KB L1
CoprocessorMotorola 68882 FPU (Optional)

Storage & Media

Storage80 MB
160 MB
Media1 – CD-ROM
1 – 1.44 MB Floppy


Built-in Memory5 MB
Maximum Memory36 MB
Memory Slots1 – 72 pin SIMM
Minimum Speed80 ns
Interleaving SupportNo


Built-in Display14″ RGB CRT Display
Resolution640 x 480


Graphics CardNone
Graphics Memory512 KB (Upgradeable to 768 KB via one socket)
Display Connection1 – DB-15


Expansion Slots1 – LC PDS (Cache Bus)
Hard Drive InterfaceSCSI


SCSI1 – DB-25
Floppy PortNone
Audio In1 – 3.5-mm analog input jack
1 – Built-in microphone
Audio Out2 – 3.5-mm analog output jack
2 – Built-in speaker
Display1 – DB-15


Original OSSystem Software 7.1
Maximum OSMac OS 7.6.1
FirmwareMacintosh ROM


Backup Battery3.6 V lithium
Maximum Continuous Power40 W
Line VoltageUnknown

Further Reading and References

Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.

Last updated: July 17, 2023