Acer Aspire AC710 Chromebook C710 Series Laptop Extension Trusted Platform Module Board TPM-DB03 NPCT422R.
Acer Part Number: NPCT422R
Model Number: TPM-DB03
Compatible Part Numbers: U4221239
Compatible Models: Acer Aspire AC710 AC710-2055 AC710-2457 AC710-2847 Chromebook C710 Series