Asus Motherboard P5NT WS Product Manual page 56

11. TPM connector (20-1 pin TPM) [Optional])
This connector supports a Trusted Platform Module (TPM) system, which can
securely store keys, digital certificates, passwords, and data. A TPM system
also helps enhance network security, protects digital identities, and ensures
platform integrity.
TPM
P5NT WS TPM connector
The TPM module is purchased separately.
2-32 Chapter 2: Hardware information