A:Answer I assume you meant SSD? The system has available One M.2 socket 3, key M for SSD.
The system has the following internal storage:
256 GB PCIe® NVMe™ M.2 Solid State Drive(15)(58c)
1 TB 7200RPM SATA hard drive(4b)
Expansion slots
One PCIe Gen 3 x16 socket (for discrete graphic card)
One M.2 socket 1, key A
One M.2 socket 3, key M for SSD (PCIe Gen 3 x4) ( mentioned above)