Macintosh Quadra 605 Macintosh Quadra 605

Macintosh Quadra 605 Datasheet

Apple has always been synonymous with innovation and sleek design, and its rich history is filled with iconic products that have shaped the technology landscape. One such product that holds a special place in the hearts of tech enthusiasts is the Macintosh Quadra 605. Launched in October 1993, this personal computer pushed boundaries and set new standards in its era. Let’s take a nostalgic journey back in time and explore the legacy of this groundbreaking machine.

Priced at $900, the Macintosh Quadra 605 was an impressive computing powerhouse that catered to the demanding tasks of its time. Equipped with a 25 MHz Motorola 68LC040 processor, 4 MB or 8 MB of RAM, and a choice of 80 MB, 160 MB, or 250 MB hard drive, this machine was considered top-of-the-line in 1993. Additionally, it featured a 1.44 MB Floppy drive, which was a standard storage medium back then.

While these specifications may not dazzle us today, it’s important to recognize the impact they had in revolutionizing the computing experience of the early 90s. The Macintosh Quadra 605 proved to be a reliable workhorse for professionals and tech enthusiasts alike, who marveled at its capabilities.

Despite its significance in the industry, the Macintosh Quadra 605 had a relatively short lifespan and was discontinued in October 1994. Nevertheless, its impact left a lasting impression on the world of computing. Today, it stands as a collectible item cherished by those who appreciate the pioneering spirit of Apple.

As we celebrate the 30 years since the release of the Macintosh Quadra 605, we can’t help but marvel at the advancements technology has made since its introduction. While this iconic machine may not keep up with the demands of modern-day computing, it symbolizes Apple’s commitment to pushing boundaries and delivering cutting-edge technology to consumers.

The Macintosh Quadra 605 was part of a broader lineup that included the Macintosh LC 475 and the Macintosh Performa 475. Apple’s naming convention for these models reflected their target markets – Quadra for business, LC for education, and Performa for home use. The Performa 475 and 476 were sold in department and electronics stores, while the Quadra was available through authorized Apple resellers.

The Macintosh Quadra 605 holds a special place in Apple’s rich history, showcasing the company’s relentless pursuit of innovation. While it may have been short-lived, its impact cannot be underestimated. As we reflect on how far technology has come since 1993, we owe a debt of gratitude to the Macintosh Quadra 605 for paving the way for the remarkable devices we enjoy today.

Mac Quadra 605
Source: mediaarchaeologylab.com – Mac Quadra 605

Macintosh Quadra 605 Details

IntroducedOctober 21, 1993
DiscontinuedOctober 17, 1994
Model Identifier94
Model NumberM1476
Order NumberM1821LL/A
Original Price$900
Weight8.8 Ibs.
3.991 KG
Dimensions2.9” H x 12.2” W x 15.3” D
7.36 cm H x 30.98 cm W x 38.86 cm D

Mac Quadra 605 Tech Specs


ProcessorMotorola 68LC040
Processor Speed25 MHz
Number of Cores1
System Bus25 MHz
Cache8 KB L1

Storage & Media

Storage80 MB
160 MB
250 MB
Media1 – 1.44 MB Floppy


Built-in Memory4 MB
8 MB
Maximum Memory132 MB (Actual)
36 MB (Apple)
Memory Slots1 – 72 pin SIMM
Minimum Speed80 ns
Interleaving SupportNo


Built-in DisplayNone


Graphics CardNone
Graphics Memory512 KB (Upgradeable to 1 MB via two sockets)
Display Connection1 – DB-15


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


SCSI1 – DB-25
Floppy PortNone
Audio In1 – 3.5-mm mono input jack
Audio Out1 – 3.5-mm stereo output jack
Display1 – DB-15


Original OSSystem Software 7.1
Maximum OSMac OS 8.1
FirmwareMacintosh ROM


Backup Battery3.6 V lithium
Maximum Continuous Power30 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 15, 2023