PCI Express M.2 Specification
PCI Express M.2 Specification | 4
Revision 1.1, March 7, 2016
Table of Contents
1. Introduction to M.2 Specification .................................................................... 19
1.1. Terms and Definitions ...........................................................................................20
1.2. Targeted Application .............................................................................................20
1.3. Specification References ......................................................................................22
2. Mechanical Specification ................................................................................. 23
2.1. Overview ...............................................................................................................23
2.2. Card Type Naming Convention .............................................................................25
2.3. Card Specifications ...............................................................................................28
2.3.1. Card Form Factors Intended for Connectivity Socket 1 ................................28
2.3.2. Card Form Factors Intended for WWAN Socket 2 ........................................33
2.3.3. Card Form Factor for SSD Socket 2 and 3 ...................................................35
2.3.4. Card PCB Details .........................................................................................40
2.3.5. Soldered-down Form Factors .......................................................................46
2.3.6. Soldered-Down Form Factors for BGA SSDs ...............................................54
2.3.7. RF Connectors .............................................................................................63
2.4. System Connector Specifications..........................................................................70
2.4.1. Connector Pin Count ....................................................................................71
2.4.2. Contact Pitch ................................................................................................71
