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" Mid-2012 Motherboard EMC 2554 Core i5 2.5Ghz 31PGKMB00J0 | eBay
MacBook Pro 15" Unibody (Mid 2012) 2.6 GHz Logic Board