The Dell Thunderbolt Dock (WD22TB4) is a premium, modular Thunderbolt 4 docking station designed to streamline a multi-display workspace with single-cable connectivity. It delivers up to 130W of Power Delivery to compatible Dell commercial laptops and up to 90W to non-Dell systems. The unit stands out for its future-ready swappable module design, allowing users to upgrade components easily without replacing the entire docking chassis.

The device packs a total of 13 connectivity ports distributed across its front and rear panels to manage complex desktop setups.

Front Ports:

1 x USB-C 3.2 Gen 2 port.

1 x USB-A 3.2 Gen 1 port featuring PowerShare.

Rear Ports:

2 x Thunderbolt 4 Type-C ports (downstream, 40 Gbps, 15W)

2 x DisplayPort 1.4 ports

1 x HDMI 2.0 port

1 x USB-C Multi-function DisplayPort Alt Mode port

2 x USB-A 3.2 Gen 1 ports1 x RJ45 Gigabit Ethernet port

1 x 7.4mm DC barrel power input connector

Note: The rear HDMI 2.0 and USB-C Multi-function DisplayPort share a internal multiplexed link; only one can output video at a given time.

Video Output Support: Windows OS: Supports up to four 4K displays at 60Hz simultaneously via Display Stream Compression (DSC).

MacOS (M1 Pro / M1 Max & Intel): Supports up to two 4K displays at 60Hz natively.macOS (Standard M1 / M2 / M3): Limited natively to a single external monitor.

Included: 130W AC Adapter, HDMI cable, Display Port cable and Ethernet RJ-45 cable.