My 2007 MBP, yes. I don't think that's true of my 2017 MBP, nor my 2012 MBA. It's been years since Apple did away with this stuff, and nobody expected them to

My 2007 MBP, yes. I don't think that's true of my 2017 MBP, nor my 2012 MBA. It's been years since Apple did away with this stuff, and nobody expected them to suddenly allow after-market upgrades.