Ready-to-use TPM with SPI interface and PQC-protected firmware update mechanism optimized for PCs and servers OPTIGA™ TPM SLB 9672 FW15.xx is the primary choice for Microsoft Windows environments/ecosystems and connected devices with a PC architecture. It provides a solid foundation for securely establishing the identity and software status of PCs and servers. This TPM comes with extended memory and stronger cryptographic algorithms. It is the first TPM in the market that offers a PQC-protected firmware update mechanism using XMSS signatures.