The PCI Express (PCIe) M.2 Specification Revision 5.0, Version 1.0, introduces 32 GT/s speeds to the M.2 form factor, doubling the bandwidth of Gen 4 to enable speeds up to ~15.7 GB/s . Released in May 2023, this update includes critical electrical, mechanical, and thermal adjustments, such as enhanced amperage for high-performance SSDs . Detailed technical specifications can be found on Scribd . PCI Express M.2 Specification Revision 5.0, Version 1.0
Not every M.2 connector rated for Gen4 will work at Gen5. The spec refers to a new connector qualification test suite: pci express m.2 specification revision 5.0 version 1.0 pdf
You can find the PCI Express M.2 Specification Revision 5.0 Version 1.0 PDF document on the PCI-SIG website: The PCI Express (PCIe) M
: Included updates for M.2-1A Add-in Card and Connector Amperage , optimizing the connector for higher power demands. PCI Express M
A common question: Can I plug a PCIe 5.0 M.2 SSD into a PCIe 4.0 slot?
Higher speeds mean higher power. The spec updates the for M.2 cards:
: Adds 1.8V I/O support for LGA and 0.75V core voltage for BGA SSDs. Amperage Increases