How-To: Upgrade the SSD in your MacBook Air or Retina MacBook Pro, boosting size & speed - 9to5Mac
Tech ARP - How Fast Is The 512 GB PCIe X4 SSD In The 2015 MacBook Pro?
Apple 512 GB Solid State Drives for sale | eBay
Help with MacBook Pro 2015 start up disk, OS Mojave not recognizing internal HD after formatting external HD. : r/applehelp
Apple 512 GB Solid State Drives for sale | eBay
MacBook pro 2015 with macOS Big Sur. I want to erase the ssd to reinstall the OS. What volume under "Internals" do I have to erase. First one or the 2nd one