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Apple MC573Z/A Mac OS X Snow Leopard 10.6.3
Apple MC573Z/A Mac OS X Snow Leopard 10.6.3
Apple MC573Z/A Mac OS X Snow Leopard 10.6.3
Apple

Apple MC573Z/A Mac OS X Snow Leopard 10.6.3

★★★★★4.4 (1524 reviews)

Mac OS X Snow Leopard delivers a faster, more refined Mac experience with built-in Exchange support.

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Overview

Mac OS X Snow Leopard 10.6.3 represented Apple's commitment to refinement over reinvention. Rather than introducing a wave of new features, Snow Leopard focused on optimizing the foundations laid by Leopard — reducing the OS footprint, accelerating common tasks like booting and shutting down, and introducing Grand Central Dispatch for better multi-core processor utilization. The result was an operating system that felt noticeably snappier on the same hardware, a quality that earned it a loyal following among Mac users who valued stability and performance.

Key additions included native Microsoft Exchange Server support built into Mail, Address Book, and iCal, which was a significant draw for business users at the time. The MC573Z/A package provides a physical installation disc, requiring a DVD drive and an Intel-based Mac with at least 1GB of RAM. Today, Snow Leopard is primarily relevant for users maintaining older Mac hardware or running legacy applications that are incompatible with newer macOS versions. It is not suitable for modern web browsing or current software due to the end of security updates and developer support.

Key Features

Mac computer with an Intel processor required

Mac OS X Snow Leopard is built on a rock-solid, time-tested UNIX foundation.

Improvements include a more responsive Finder, new look and features for Exposé.

New core technologies unleash the power of today's advanced hardware technology and prepare Mac OS X for future innovation:

With virtually no effort on your part, Mac OS X protects itself--and you--from viruses, malicious applications, and other threats

Mac OS X Snow Leopard includes built-in support for the latest version of Microsoft Exchange Server.

64-bit computing, multicore-optimization, OpenCL, QuickTime X, and more

It provides unparalleled stability as well as industry-leading support for Internet standards

Stacks, quicker Time Machine backup, faster common tasks and installation, a smaller install footprint, and plenty more

You can use Mail, iCal, and Address Book at home and at work.

Specifications

Brand
Apple
Model
MC573Z/A
Version
Mac OS X 10.6.3 Snow Leopard
Processor Requirement
Mac with Intel processor
Memory Requirement
1GB minimum
Disk Space Requirement
5GB available
Drive Requirement
DVD drive for installation
Exchange Support
Built-in Microsoft Exchange Server support

Pros & Cons

👍 Pros

  • Lightweight OS that runs efficiently on older Intel-based Macs
  • Built-in Microsoft Exchange support eliminates the need for third-party plugins
  • Requires only 1GB of RAM and 5GB of disk space, making it accessible on aging hardware
  • Improved stability and speed over its predecessor, Mac OS X Leopard

👎 Cons

  • No longer receives security updates or patches from Apple
  • Most modern applications and web browsers are incompatible with 10.6
  • Requires a DVD drive for installation, which many newer Macs lack
  • Only runs on Intel-based Macs — incompatible with PowerPC and Apple Silicon machines
  • Limited to 64-bit kernel on supported hardware, with some driver compatibility issues

Frequently Asked Questions

You need a Mac with an Intel processor, at least 1GB of memory, 5GB of available disk space, and a DVD drive for installation.
Yes, Mac OS X Snow Leopard includes native support for Microsoft Exchange Server, integrating Exchange email, contacts, and calendars directly into Mail, Address Book, and iCal.
This is the MC573Z/A retail package of Mac OS X 10.6.3 Snow Leopard, designed as an upgrade from Mac OS X Leopard (10.5).
Snow Leopard's software support has largely ended. Most current browsers and applications no longer release updates compatible with 10.6, so it is best suited for legacy workflows or older software.

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