Got this for free! Planning on putting an SSD in it, but even with the 1TB HDD in combination with the 16GB of RAM, it runs really smooth on macOS Ventura (via
Crucial RAM DDR3L 16GB Kit (2 x 8GB) DDR3L-1600 SODIMM Memory for Mac CT2K8G3S160BM - AliExpress
Timetec Hynix IC DDR3L 1600MHz PC3L-12800 SODIMM Compatible with Apple 2011, 2012, 2013, 2014 MacBook Pro, iMac, Mac mini (16GB Kit(2x8GB)) - Newegg.com
Corsair Apple Certified 16 GB (2x8 GB) DDR3 1600MHz (PC3 12800) Laptop Memory 1.35V at Amazon.com
DDR3 1600MHZ PC3-12800 SODIMM for Apple iMac 2012 - 2013 (13,2 14,2)
upgrade - Can I use 16GB DDR3-1600MHz RAM in an early Macbook Pro 8.2? - Ask Different