*Maximum values depend on the laptop, operating system, power supply and simultaneous display arrangement. They are not universal promises.
| What matters |  CalDigit TS4 | Choose a dock above | Choose a dock above |
|---|
| Laptop connection | Thunderbolt or compatible USB4; reduced USB-C modes | — | — |
| Display technology | thunderbolt | — | — |
| Maximum displays* | 2 | — | — |
| Power to laptop (W)* | 98 | — | — |
| HDMI sockets | 0 | — | — |
| DisplayPort sockets | 1 | — | — |
| Display conditions | Dual displays on supported hosts; above 4K60 requires the documented DSC/DP capabilities | — | — |
| Mac requirements | Base M1/M2 remain limited to one native external screen | — | — |
| Windows requirements | Supported Windows Thunderbolt or USB4 host; check PCIe and display capabilities | — | — |
| Wired network | 2.5GbE; Thunderbolt or USB4 PCIe host required | — | — |
| USB peripherals | 5 USB-A and 3 USB-C, all 10Gbps; 2 downstream Thunderbolt 4 | — | — |
| Before buying | HDMI needs an adapter Ethernet requires PCIe-capable USB4 or Thunderbolt; native Mac display limits remain | — | — |
| Current listing | Check on Amazon ↗ | | |