Closing the

Computer

1Replace access panel.

Note: Make sure latch is up before you replace panel. If latch is down, panel will not seat correctly.

2Push latch down to close and secure access panel.

Warning: Never turn on computer unless all its internal and external parts are in place and it is closed. Operating computer when open or missing parts can cause damage or injury.

Apple Inc.

© 2009 Apple Inc. All rights reserved.

This document is protected under U.S. Copyright Law and International Treaties, and no part of this document may be reproduced in any form without written permission from Apple.

Apple is not responsible for typographical, printing, or inadvertent errors. Apple Inc.

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+1 408 996 1010 www.apple.com

Apple, the Apple logo, and Mac are trademarks of Apple Inc., registered in the U.S. and other countries.

© 2009 Apple Inc. All rights reserved.

073-1252 Rev. A   4

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Apple PCIe Fan warranty Closing Computer, Replace access panel

PCIe Fan specifications

Apple has consistently set the standard for hardware design and innovation, and the inclusion of the PCIe fan in their devices exemplifies this dedication. The PCIe (Peripheral Component Interconnect Express) fan is a pivotal cooling component used in various Apple products, particularly in high-performance models like the Mac Pro and MacBook Pro. This advanced cooling solution is engineered to maintain optimal performance while keeping system temperatures in check, even during demanding tasks.

One of the main features of the PCIe fan is its high efficiency. The fan operates with a variable speed control mechanism, allowing it to adjust its RPM based on the thermal demands of the system. This dynamic adjustment not only enhances cooling efficiency but also minimizes noise levels, providing a quieter experience for users who might be working in noise-sensitive environments.

In addition to its efficiency, the PCIe fan is designed for durability and reliability. It is constructed using high-quality materials that can withstand prolonged use, which is essential for intensive tasks such as video rendering, gaming, and software development. The fan's robust design ensures longevity, allowing users to focus on their work without the constant worry of hardware malfunctions.

Technologically, the PCIe fan integrates seamlessly with Apple's heat management system. This system utilizes a series of sensors to monitor component temperatures in real-time. By leveraging this data, the PCIe fan can proactively engage when temperatures rise, ensuring optimal airflow to critical components like the CPU and GPU. This real-time feedback mechanism not only protects against overheating but also optimizes overall performance by preventing thermal throttling.

Another noteworthy characteristic of the PCIe fan is its compact design. Space is often at a premium in modern computing devices, and Apple's engineers have successfully developed a fan that delivers exceptional performance without taking up unnecessary real estate. This allows for more streamlined designs and improved airflow within the system chassis.

In summary, the Apple PCIe fan is a sophisticated cooling solution that embodies efficiency, reliability, and innovative technology. Its variable speed control, real-time temperature monitoring, durable construction, and compact design come together to enhance the performance and longevity of Apple's high-performance devices. As users continue to push the boundaries of what their devices can achieve, the PCIe fan remains an essential component in supporting their ambitions while ensuring a quiet and reliable experience.