MacBook Pro: How to remove or install memory - Apple Support
Apple 16.2" MacBook Pro with M1 Pro Chip MK193LL/A B&H Photo
Mac RAM upgrade: How to upgrade memory on MacBook Pro & other Macs
4GB 2X2GB Memory RAM for Apple MacBook Pro A1150 (15.4" 2.0GHz) 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com