A Mid 2009 MacBook. Running macOS Catalina using dosdude1's Catalina patcher, 4GB of DDR2 RAM and and 120GB SSD. Got it for € 10,-. It's a gift for my son, so he
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core 2 Duo 2.8 17" Mid-2009 - A35 at Amazon.com
NEMIX RAM 64GB 4X16GB Mac Pro 2009 2010 2012 Compatible Memory DDR3-1333 Upgrade Kit at Amazon.com