These links provide a quick way to access articles relating to maximizing/upgrading the hardware and software in your Mac, with more of a focus on hardware.
For many 2006 – 2011 Intel Macs:
For just about any new-world PowerPC Mac and possibly older:
For a select set of new-world PowerPC Macs:
For ‘Books or any Mac with a laptop IDE optical interface:
For any Intel or PowerPC Mac:
For PowerPC Macs capable of running 10.3+:
For Early 2009 – Late 2011 20/24/21.5/27″ iMacs – except the late 2009 21.5″ iMac:
For PowerPC Macs capable of running Tiger/Leopard:
For older Intel Macs capable of running Yosemite and having their PCIe wifi card upgraded:
For new-ish Intel Macs with native thunderbolt on OCLP beyond Big Sur:
For late Intel Macs with Thunderbolt 3:
For the 2015 11″ MacBook Air only:
G4s and G5s only:
AGP-Based Power Mac G5s only:
PCIe Power Mac G5s only:
Power Mac G4 Sawtooth – Quicksilver only:
2010/2011 minis only:
Mac Pro 4,1/5,1:
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One Last Push: Turbo Charging the Mac Pro 5,1 through 2025 (and maybe slightly beyond)
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GPU Madness in the Mac Pro 5,1: Early 2021 Edition
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The Mac Pro 3,1 to 5,1 Gets Thunderbolt 3
Legacy Articles:
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7 Tools for Keeping Your Laptop (uh, Notebook) Cool
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Macs Sharing Files with Other Macs, Old or New
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18 Keystroke Commands Every Mac User Should Know