Built a triple boot Batocera, XP, Win10 system for my friend out of an old Optiplex. (He thinks I'm only building a Batocera machine :D ) Specs in comments : r/sleeperbattlestations
8GB 2 X 4GB Memory Compatible for Sony VAIO TT VGN-TT Series Laptop - DDR3 PC3-8500 1066MHz 204 pin SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
Price Check: Price Gap Between DDR3 and DDR4 Memory Almost Gone
Corsair Dominator Platinum 2133 MHz DDR3 review - DDR3 with a Core i7 3960X processor
MSI CX61 Series MS-16GB1 Intel 2.6 GHz Core i5-3230M DDR3 Motherboard at TR Reuse Group