What are the storage and RAM of the Xiaomi 14T?

For your reference, here are the introductions about the storage and RAM of the Xiaomi 14T:
1. The device is equipped with 12GB of LPDDR5X RAM, a cutting-edge low-power double data rate memory technology. LPDDR5X enhances data transfer speeds and reduces power consumption compared to its predecessors, ensuring efficient multitasking and smoother performance;
2. For storage, the Xiaomi 14T offers a spacious 256GB/512GB of ROM utilizing UFS4.0 technology. This advanced storage solution delivers reliable performance suitable for a wide range of smartphone applications, offering ample space for storing large files, APPs, and media content with fast access speeds;
3. The Xiaomi 14T supports 4GB, 6GB and 8GB memory expansion. Additionally, 256GB default 4GB and 512GB default 6GB.