Dear @riteshg,
From Mechanical installation guide (https://developer.download.nvidia.com/drive/secure/drive-orin/DI-10587-003_v03.pdf?TP3Z03srCXRrFzecIEqP7AuxbTUaZGH9HB3sOCB5b00TXTA06Vl4d3PZFo8W6OMR9My6zRBzjA3DsSGii2yxC3xgCdzvYC6DdlFFvBaPUTWSwb92L5qmbrvNvgggMCM0VkzI0oNsOPoO3FU=&t=eyJscyI6ImdzZW8iLCJsc2QiOiJodHRwczovL3d3dy5nb29nbGUuY29tLyJ9) , Table 2-14, both ports should work storage extension.