Dell Latitude E5540

Looks like there is only room for a 2230 Form-Factor in the Latitude 5440 :(

mSATA is supported on both Latitude E5440 and Latitude E5540 without Express Card IO on Discrete Graphic and all UMA Graphic Configurations Supports mSATA

dell sc slot Operating system: Windows 10 Pro 64-Bit Edition · Memory: 8 GB DDR3-SDRAM 1600 MHz – SO-DIMM

dell latitude 3480 m2 slot  Capacity CapacitySelect allDeselect all; 1TB; 2TB Interface Crucial X10 Pro Portable SSD • USB Gen-2 2x2 • Up to 2100MBs sequential