- Use M.2 PCIe SSD in an PCI Express slot - PCI Express 3.0 x4 - M.2 NGFF key M slot - Supports M.2 modules in format 2280, 2260 and 2242 with key M or key B+M based on PCIe - Maximum height of the components on the module: 1.5 mm application of double-sided assembled modules supported