USB-C and Thunderbolt docks / Comparison

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Powered desktop docks for the US market, not a universal compatibility engine. A USB-C connector does not establish Thunderbolt, video or full charging support. Documented specifications are not installed-device tests.

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Compare the details	TBT4-UDZ (US package)	UD-6950PDZ (US package)
Community reviews	No community reviews yet. Purchase packages of the same model share one community score. Read all reviews Write a review	No community reviews yet. Purchase packages of the same model share one community score. Read all reviews Write a review
US purchase package	TBT4-UDZ; US-market package, confirm the US mains cord; no extra display adapters assumed. Product & sources Exact model only. Confirm regional power accessories and any additional display adapters before buying. No stock or checkout validation. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	UD-6950PDZ; select post-February 2025 100 W US revision; not older 60 W stock. Product & sources Exact model only. Confirm regional power accessories and any additional display adapters before buying. No stock or checkout validation. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Where to buy	Select: TBT4-UDZ; US-market package, confirm the US mains cord; no extra display adapters assumed. View at Plugable — TBT4-UDZ (US package); opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.	Select: UD-6950PDZ; select post-February 2025 100 W US revision; not older 60 W stock. View at Plugable — UD-6950PDZ (US package); opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
External rating	4.9 out of 5 from 22 ratings · B&H Photo · Checked October 23, 2026.	Not checked yet
Host connection The documented upstream protocol and connection limits. Connector shape is not protocol support. A backward-compatible connection may lose some features.	Thunderbolt 4 host connection; Thunderbolt 3, USB4 and USB-C compatibility has documented limits. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	USB-C connection; the native display path requires host DisplayPort Alt Mode. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Maximum documented host charging The host charging limit for the reviewed package, not the power supply rating. The host must accept the offered power. A model sold in multiple revisions needs package-specific evidence.	98 WThe marketing comparison says 100 W; the same source identifies 98 W as certified host charging. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	100 W Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Charging conditions Revision, host and rated-versus-certified qualifications. Do not promise full charging under every workload or substitute the adapter wattage.	Use the documented certified 98 W figure, not a generic charging example embedded elsewhere in the support page. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	The selected post-February 2025 revision advertises 100 W; earlier units were 60 W. Confirm the revision before ordering. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Nominal Ethernet rate The maximum documented Ethernet link rate, not measured file throughput. Host support, drivers, network equipment and cabling must all be suitable.	2.5 Gb/s Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	1 Gb/s Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Ethernet conditions Host and driver qualifications for the network port. A physical network connector is not proof that the port works over every upstream connection.	A rated network link is not a measured file-transfer result; the host, driver, switch and cabling remain dependencies. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	A rated network link is not a measured file-transfer result; the host, driver, switch and cabling remain dependencies. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Display arrangement Documented display paths and host-dependent limits. Check exact resolution, refresh rate, host GPU and simultaneous-screen requirements. Do not add alternative connectors together.	Native host display streams; supported simultaneous monitors differ between Windows, Mac and upstream protocols. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	One native DisplayPort Alt Mode path and two DisplayLink paths. Each HDMI/DisplayPort pair is an alternative, not two independent screens. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Built-in DisplayLink documented Whether DisplayLink is established as part of the dock itself. An optional external adapter does not become a built-in feature. Unknown does not mean absent.	No Source · 2026-10-11 Plugable: TBT4-UDZ DisplayLink support explanationChecked 2026-10-11. This evidence came from a search-engine copy of an official page. The current seller page and checkout options still need checking.	Yes Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Host and software requirements Important software, host and configuration conditions. Check the current manufacturer support page for the exact computer; no installed compatibility or security certification is claimed.	The dock itself does not use DisplayLink. Check the exact host display matrix; a separate DisplayLink accessory is a different purchase. Source · 2026-10-11 Plugable: TBT4-UDZ DisplayLink support explanationChecked 2026-10-11. This evidence came from a search-engine copy of an official page. The current seller page and checkout options still need checking.	DisplayLink software is required for its software-driven outputs. macOS requires the documented DisplayLink Manager permissions; native output still depends on the host. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Power arrangement and supplied equipment Built-in or external power and reviewed package contents. Confirm the regional mains cord before buying; a global product page is not a checked US checkout.	External power adapter, power cable and vertical stand are listed. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	External power adapter and power cable are listed. Verify the selected charging revision and US cord. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Included host cable The cable documented as supplied with this package. A replacement cable needs appropriate protocol and power ratings; a matching connector alone is insufficient.	40 Gb/s Thunderbolt 4 host cable, 1.0 m. Source · 2026-10-11 Plugable: TBT4-UDZ US product and supportChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.	USB-C host cable is listed; verify the current package contents rather than substituting a charging-only cable. Source · 2026-10-11 Plugable: UD-6950PDZ US product and revision notesChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Questions to check before buying	Read the source notes for the exact package and operating conditions.	Native and DisplayLink outputs have different requirements. No installed-driver, protected-video or gaming-performance test is claimed.

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