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*Maximum values depend on the laptop, operating system, power supply and simultaneous display arrangement. They are not universal promises.

What mattersCalDigit TS4CalDigit TS4CalDigit TS5CalDigit TS5Choose a dock above
Laptop connectionThunderbolt or compatible USB4; reduced USB-C modesThunderbolt 5/4, Thunderbolt 3 Mac, USB4/v2 or supported USB-C with reduced features—
Display technologythunderboltthunderbolt—
Maximum displays*24—
Power to laptop (W)*98140—
HDMI sockets00—
DisplayPort sockets10—
Display conditionsDual displays on supported hosts; above 4K60 requires the documented DSC/DP capabilitiesUp to three on supported Windows TB5; four requires a documented M5 Max daisy-chain arrangement; older hosts lower—
Mac requirementsBase M1/M2 remain limited to one native external screenmacOS 15+; native chip and display limits apply—
Windows requirementsSupported Windows Thunderbolt or USB4 host; check PCIe and display capabilitiesWindows 11+ with supported TB4/TB5/USB4 host; consult exact-host display matrix—
Wired network2.5GbE; Thunderbolt or USB4 PCIe host required2.5GbE; Thunderbolt or USB4 PCIe host required—
USB peripherals5 USB-A and 3 USB-C, all 10Gbps; 2 downstream Thunderbolt 43 USB-C 10Gbps; 1 USB-A 10Gbps; 1 USB-A USB 2.0; 3 downstream TB5—
Before buyingHDMI needs an adapter Ethernet requires PCIe-capable USB4 or Thunderbolt; native Mac display limits remainNo built-in HDMI or full-size DisplayPort output Display combinations and top bandwidth are host-dependent Windows Thunderbolt 3 is not listed as a supported host; confirm before purchase—
Current listingCheck on AmazonCheck on Amazon