Source: Windows Central The CalDigit Element Hub is available from CalDigit for about $200. It's expected that models will hit other retailers in the future — the CalDigit TS3 Plus and CalDigit USB-C Pro Dock are both now available elsewhere — but for now the official site is the only place to find the hub. This is one of the first hubs to employ Thunderbolt 4 and USB4 technology. If you're wondering what the big differences are between technologies, our guide on Thunderbolt 4 vs. Thunderbolt 3 vs. USB4 vs. USB3 can help. To put it simply, Thunderbolt 4 uses the same 40Gbps bandwidth but ensures a level of performance not seen in Thunderbolt 3.