It's the other half of the line, the Surface Pro 9 with 5G, that starts to get interesting. That system shares the same design as the Intel version but swaps the chip out for something called the ...

TPM 2.0 chip with BitLocker support: Enhanced security with Microsoft Pluton: Connectivity: Wi-Fi 6: 802.11ax and Bluetooth 5.1: ... The Surface Pro 9 starts at $999 for the Intel version, ...

Microsoft confirmed Fenner's findings that the Surface Pro 3 is exposed to TPM Carte Blanche attacks. More recent Surface devices such as the Surface Pro 4, Surface Book are not vulnerable.