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Plugable Thunderbolt 4 Dock (TBT4-UD5)

Plugable Thunderbolt 4 Dock (TBT4-UD5)

By Plugable · Docking Stations · Desk & Streaming Setup

  • 13 ports
  • dual 4K 60Hz HDMI
  • 100W (96W certified) host charging
  • Gigabit Ethernet

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Problems, parts and running costs

Summary

A slim, powered Thunderbolt 4/USB4 dock with 13 counted connections, two HDMI 2.0 outputs, one downstream Thunderbolt 4 port, four USB-A ports, a 10 Gbps USB-C port, SD and microSD slots, combo audio and Gigabit Ethernet, supplying up to 96 W certified charging. Check host compatibility first: the two HDMI outputs need a host that supplies two native video streams, and base M1/M2 Macs do not.

Strengths

  • Real HDMI sockets, so buyers with HDMI monitors usually avoid separate video dongles.
  • Tom’s Guide (March 2024) tested the exact dock with two 4K displays and reported meeting the advertised laptop charging target on a power meter.
  • No DisplayLink driver or CPU compression overhead for normal native video.
  • 96 W certified host charging suits many laptops.
  • Broad official support trail: dedicated help forum, knowledge base and display-allocation instructions.
  • Two-year limited warranty on new units and lifetime email technical assistance.

Weaknesses

  • Dual HDMI is not automatic: host must supply two native video streams; some laptops expose only one.
  • No 2.5GbE and no 4K/120+ over HDMI 2.0.
  • Only one downstream Thunderbolt 4 port; multiple TB4 peripherals compete for it.
  • Front host cable protrudes toward the user; the dock lies flat with no included vertical mount.
  • External power brick adds desk/floor space; the dock cannot run without mains power.
  • 60 Hz video limit and gigabit Ethernet may be bottlenecks for high-end setups.

Verified specifications

Native interfaceIntel Goshen Ridge Thunderbolt 4, 40 Gbps nominal link.
Two rear HDMI 2.0 outputsup to 3840 × 2160 at 60 Hz (also listed as 4096 × 2160 at 60 Hz) per compatible monitor; dual 4K/60 when the host supplies two video streams.
Front downstream Thunderbolt 4 port40 Gbps, up to 15 W bus power, DisplayPort Alt Mode, single 8K/30 when host/adapter/monitor permit. Total video outputs from the dock: two.
USB datafront 2 × USB-A 5 Gbps; rear 2 × USB-A 10 Gbps and 1 × USB-C 10 Gbps. The rear USB-C is a peripheral port, not a second Thunderbolt 4.
Network10/100/1000BASE-T Gigabit Ethernet via Realtek RTL8153B; no built-in 2.5GbE/5GbE.
Card readerone full-size SD and one microSD, UHS-II nominal ceiling 312 MB/s.
Audiofront 3.5 mm TRRS combo, Realtek ALC4030U, 16-bit/48 kHz interface.
Laptop charging100 W marketed, 96 W certified, 20 V/4.8 A to host.
External AC supplyFJ-SW202721006400, 21.0 V/6.4 A, about 134 W rated output.
Dimensions22.5 × 8.5 × 2.3 cm (8.9 × 3.3 × 0.9 in); 365 g (12.9 oz).
In the boxdock, 1.0 m 40 Gbps/240 W-rated certified host cable, power adapter, AC mains cord, quick start guide. No HDMI cables and no 2.5GbE adapter.
Hostnative Thunderbolt 4 or USB4 required for expected dual-display operation; a USB-C-shaped port alone is not enough.
Macsbase M1/M2 generally one external monitor; base M3 two only in clamshell mode; Pro/Max and supported M4/M5 can provide two streams.
Full research notes and sources

Displays and host compatibility

Two HDMI 2.0 outputs give dual 4K/60 only when the host supplies two video streams. A USB-C-shaped port is not evidence of two independent DisplayPort streams: in February 2026 a Lenovo Legion Pro 7 owner found each HDMI worked alone but not together, and Plugable concluded the host ports lacked native Thunderbolt/TB4 dual-output capability. Base M1/M2 Macs generally drive one external monitor; base M3 does two only in clamshell mode; Pro/Max and supported M4/M5 Macs can provide two streams. This is not a DisplayLink adapter that bypasses native monitor counts, and HDMI 2.0 will not supply 4K/120 Hz.

Ports, networking and storage

Five USB-A ports (two 5 Gbps front, two 10 Gbps rear) plus one 10 Gbps USB-C peripheral port, SD and microSD with a 312 MB/s UHS-II ceiling, and a 3.5 mm combo audio jack. Ethernet is 1 Gbps via Realtek RTL8153B with no built-in 2.5GbE or 5GbE. The 10 Gbps USB-C socket is not a second Thunderbolt 4 port, so USB storage there cannot reach 40 Gbps. A user with multiple TB4 storage peripherals may prefer a dock with two downstream TB4 ports.

Power and charging

Marketed at 100 W, certified at 96 W (20 V/4.8 A) to host. Front downstream Thunderbolt 4 supplies up to 15 W. The dock cannot operate without its external mains supply.

Reliability

Owner reports include dual-HDMI recognition failures on certain host ports, intermittent HDMI/VGA dropout, a single five-month power failure, and a September 2026 case where an external 2.5GbE adapter slowed to 136–159 Mbps receive through the dock while transmitting above 2 Gbps. Plugable said no TBT4-UD5 firmware update was available in June 2025; do not install firmware meant for the similar-looking TBT4-UDZ. No representative failure rate or MTBF was published; forum posts are self-selected. Support typically moves cases to email, so a quick public reply is not proof of rapid replacement.

Is it worth it?

Direct from Plugable the TBT4-UD5 is $199.95 with free continental US shipping above $35, a 30-day money-back position and a two-year limited warranty. B&H listed $199.95 new and $163.95 used; Best Buy and Adorama showed $199.95; Office Depot $223.99. One B&H index snapshot implied a $29.99 cart coupon ($169.96) but the live page did not show it, so do not count on it. Good new units are attractive at $170 or lower through an authorized channel; $170–$200 is consistent with standard new pricing; above $220 cross-shop the TBT4-UDX1 at $249.95 for 2.5GbE and two downstream Thunderbolt 4 ports. For a basic Thunderbolt 4 dual-HDMI desk the TBT4-UD5 is the value pick; for a creative workstation needing more ports, 2.5GbE and two downstream TB4, the CalDigit TS4 at $379.99 (if in stock) is the step up.

Which model this is

This page covers the Plugable TBT4-UD5, a 13-port Thunderbolt 4/USB4 dock with two native HDMI 2.0 outputs and one downstream Thunderbolt 4 port. Do not confuse it with the 16-port TBT4-UDZ, the 11-port TBT4-UDX1 (two downstream TB4 ports, 2.5GbE) or the Thunderbolt 5 TBT-UDH2. Host compatibility, not port count, decides whether both HDMI outputs work.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Retailers and parts:

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