Features: M.2 Slot (M-Key) for 2280 NVMe SSDs M.2 Slot (B-Key) for 4G LTE Modules Nano-SIM Card Slot 10-Pin GPIO Header 4G Active LED Dimensions: 94.0 x 56.0 x 5.5 MM Compatibility: VIM3/3L (Full-Featured, PCIe x1 Lane) Edge-V (SSD-only, PCIe x4 Lane) Quectel EM06 4G LTE Module The New M2X Extension board is an ultra-thin version of the Original M2X Board. It has M.2 slots for adding a 4G LTE Module and NVMe SSD to your VIM3, 3L or Edge-V. A nano-SIM card slot is built into the board. Note:Edge-V can only use the SSD feature, when connected to the New M2X Extension Board. Compatibility:VIM4 (Full-Featured, PCIe x1 Lane )/VIM3 /VIM3L(Full-Featured, PCIe x1 Lane)/Edge-V (SSD-only, PCIe x4 Lane, and Quectel 4G LTE Module not compatible with Edge-V)/Quectel EM06 4G LTE Module. What You Get:1* New M2X,2* M2 Thumb Screws (CM2×3),4* M2 Screws (CM2×3),4* M2 Screws (CM2×6);If You Have any Problem?Please Contact Us as Soon as Possible and We Will Reply You within 24 Hours.