With the forthcoming USB 4 2.0 spec being announced earlier this month Thunderbolt users were wondering if Intel would followed suit. The answer appears to be yes  with a prototype 80Gbps Thunderbolt demo shown in Intel’s Israel facility. Intel is the key developer of Thunderbolt, which was co-developed with Apple. The I/O specification is the foundation of a small but growing ecosystem of Thunderbolt docks, which connect to a USB-C/Thunderbolt port on a PC and use the I/O bandwidth to connect to various peripherals, including displays and storage. Displays, not surprisingly, suck up the most bandwidth. The current Thunderbolt specification, known as…