dosdude1 on X: "Just finished performing a very awesome CPU upgrade on a Mid -2012 13” MacBook Pro, upgrading its original dual-core i5 CPU to a quad-core i7 CPU (3615QE)! Such a swap
Apple Macbook Pro 13 661-6588 Intel Motherboard for sale online | eBay
Original For Macbook Pro Retina 15" A1398 Motherboard Logic Board Mid 2012 Early 2013 820-3332-a 8gb 16gb - Laptop Motherboard - AliExpress
MacBook Pro 15" Retina (Mid 2012) 2.6 GHz Logic Board