4GB Team High Performance Memory RAM Upgrade Single Stick For MacBook “Core 2 Duo” 2.26 13” (Uni/Late 09) MC207LL/A MacBook 6,1 1. The Memory Kit comes with Life Time Warranty. at Amazon.com
Back to School: Using a Vintage MacBook as an Inexpensive Student Computer
My mid-2010 polycarbonate “Stormtrooper” MacBook! Upgrades include macOS Catalina, a 250GB SSD, 16GB RAM, MacBook Pro keyboard keys, a higher-capacity battery, and a newer wireless card / antenna setup that supports AirDrop. :
How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
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Apple MacBook Air - Intel Core i5 1.3 GHz - HD Graphics 5000 - 4 GB RAM - 128 GB SSD - 13.3" 1440 x 900 - Wi-Fi 5 - Refurbished - Walmart.com
MBP 4,1 booted Ventura successfully! : r/mac
Apple MacBook Pro 13" | MAX UPGRADE i5 16GB RAM + 1TB SSD | MacOS Catalina | eBay
How to Upgrade MacBook RAM: White/Black, A1181: EveryMac.com