The PCI Express M.2 Specification Revision 5.0 Version 1.0 PDF is primarily aimed at:
: It adds a core voltage of 0.75 V on the PWR_3 rail specifically for BGA SSDs and introduces 1.8V I/O for LGA modules. pci express m.2 specification revision 5.0 version 1.0 pdf
The official PCI Express M.2 specification revision 5.0, version 1.0 document is available in PDF format from the PCI-SIG website (pci-sig.com). The document is titled "PCI Express M.2 Specification, Revision 5.0, Version 1.0". The PCI Express M
Warning: Be cautious of PDFs circulating on file-sharing sites. Many are outdated (Rev 3.0 or 4.0) or deliberately malformed. Always verify the hash with a standards body. Warning: Be cautious of PDFs circulating on file-sharing
New PCB materials (Megtron 6 or equivalent) are now required for M.2 slots. The spec forces OEMs to move away from "daisy-chain" M.2 topologies and implement dedicated for every Rev 5.0 M.2 slot.