A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Got Ventura working on my MacBook Air Mid 2013 i5 with 4GB RAM thanks to OpenCore Legacy Patcher. It's a little bit sluggish but I like it very much, almost no performance
macbook pro - Can I upgrade RAM on late 2013 retina Mac Book Pro? - Ask Different