Gigabyte GC-TPM2.0 SPI 2.0 Module with SPI interface Exclusive for Intel 400 Series the device is made from high quality material for security and durability. Adding another layer of security. TPM is a discrete cryptographic processor attached to a daughter board which plugs into the motherboard . Securely stores your cryptographic key which can be created with encryption software such as windows bitlocker. The contents of the user's PC will remain encrypted and safe from unauthorized access. Data on our pc will be safe not only from external software threats, but also physical theft.