Success! Big Sur install with OCLP on Mac mini 2009 3,1 with 6GB of ram and SSD. Running okay but does slow down with a few windows open. Recommended to upgrade to
OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
Mac Mini Memory for Model 3.1 | DDR3 1066MHz | 2009 | Ramjet.com
Apple Mac mini 8GB RAM Upgrade: Demo and Benchmarks (Should you do it?) - YouTube
Timetec Hynix IC 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz/1066MHz PC3-8500 SODIMM RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini (8GB KIT(2x4GB)) - Walmart.com
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® Mac Mini Core 2 Duo 2.26 (Late 2009) - A35 at Amazon.com
How to Install Memory (RAM) in a 2009 Mac mini (Macmini3,1) - YouTube
32GB Memory Kit for 2009 - 2010 Apple Mac Pro Tower
How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
Upgraded Mac mini to 8GB RAM, shuts down … - Apple Community
8GB Kit (2 x 4GB) PC3-8500 RAM for Apple Mac Mini Early 2009 MB464LL/A
Mac mini Model A1283 RAM Replacement - iFixit Repair Guide
2009 2010 Apple Mac Mini Imac Macbook Pro Memory Ram 8gb 2x4gb Ddr3 1066 1067 - Rams - AliExpress
![Upgrade RAM (8GB) on MacBook 13' Late 2009 and mid 2010 [Guide] - YouTube](https://i.ytimg.com/vi/Bns7j153-Xo/maxresdefault.jpg "Upgrade RAM (8GB) on MacBook 13' Late 2009 and mid 2010 [Guide] - YouTube")
Upgrade RAM (8GB) on MacBook 13' Late 2009 and mid 2010 [Guide] - YouTube
8.0GB OWC Memory Upgrade Kit for 2008-2010 Macs
Upgrade Your 2011 Mac Mini To 16GB Of RAM - The DIY Life
Apple Mac mini (Late 2009)-Upgrade to 8GB RAM/256GB SSD/Mavericks 10.9.1 (GR) - YouTube
32GB Memory Upgrade for 2019-2020 iMac and 2018 Mac mini
Memory Upgrades for 2009-2010 Mac mini Unibody Models
