Our take
Choose DD0031 when a compatible USB-C host needs one HDMI output, three USB-A data ports, and charging pass-through. The central trade-off is conditional high-resolution video and a 100W input ceiling that the maker says supplies up to 85W to the host.
A USB-C laptop or tablet with DP Alt Mode that needs one HDMI display, three USB-A data ports, and a separate PD charger for host charging..
Skip it if the computer lacks DP Alt Mode, you need Ethernet or card readers, or your laptop requires more than the documented host-power ceiling.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The exact DD0031 model and B0B525J2F6 ASIN are supported by the reviewed item page.
- Three USB-A 3.0 ports up to 5Gbps and one HDMI output are documented.
- Dockteck lists up to 100W PD input and up to 85W delivered to the host.
What to weigh up
- 8K30 and 4K120 modes require a DP 1.4 host; DP 1.2 is listed at 4K30.
- Dockteck says the hub uses 15W, so the 100W input is not 100W at the laptop.
- No Ethernet or memory-card reader is listed.
Specifications and exact model details
The key details
| Model covered | DD0031 |
|---|---|
| Host connector | USB-C host with DP Alt Mode required for video |
| USB 3.x data ports | 3 USB-A USB 3.0 data ports |
| Installation | Cabled hub with one HDMI output |
| Hub power | USB-C PD input; separate charger required |
| Host charging | Up to 100W input; maker claims up to 85W to the host |
Performance figures are manufacturer claims. Source checked October 5, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
One HDMI output, three USB-A data ports, and charging pass-through
DD0031 combines an HDMI connection, three USB-A ports, and a USB-C charging input around one USB-C host connection. That is a compact arrangement for a laptop or tablet that needs an external display, a few wired peripherals, and pass-through charging, without an Ethernet jack or memory-card reader. Dockteck identifies each USB-A port as USB 3.0 with transfer rates up to 5Gbps. That is the advertised interface maximum, not a promise that a particular drive will sustain that rate; the computer, drive, and simultaneous activity affect transfer speed. The reviewed configuration is specifically model DD0031, and its Amazon item details display the matching ASIN. Keep it separate from Dockteck's other saved hub models, whose display resolutions and port sets differ.
Treat 8K and 4K120 as a host and display-chain requirement
Dockteck advertises HDMI up to 8K at 30Hz, 4K at 120Hz, or 4K at 60Hz, but its own guidance makes those modes conditional. The USB-C host must carry DisplayPort Alt Mode, and DP 1.4 is required for the higher modes; the page says a DP 1.2 host is limited to 4K30. The HDMI cable and monitor must also support the desired signal, and some televisions need high-refresh or 8K modes enabled manually. The headline mode is a compatibility target rather than an automatic output from every USB-C socket. Before choosing it for a monitor, check the computer's video-output specification and compare the display and cable requirements with the exact mode you want.
Read the PD number as input capacity, not delivered laptop power
The USB-C PD connector accepts up to 100W, while the product page says the host can receive up to 85W because the hub consumes power in use. Dockteck recommends a PD charger above 45W and says actual delivery depends on the charger and cable. The connector is described as charging-only; it does not add a USB-C data port or video output. If the laptop has a high-wattage requirement, check its charging profile and use a compatible charger and cable. Do not assume the 100W label is the wattage available at the computer while all ports are active.
Choose it for the functions it lists
The documented port map has one HDMI output, three USB-A data ports, and one USB-C PD input. It does not list Ethernet or SD/microSD reading. A buyer who needs those functions will need another device or a different hub. Conversely, the smaller set can suit someone who wants to add a display and several USB peripherals without carrying unused ports. Confirm that the host supports video over USB-C before purchase; a connector that fits is not enough to establish compatibility.
Verify the model on the selected offer
The official page and readable Amazon item details agree on DD0031, so the saved evidence supports a direct ASIN link. That evidence does not promise that a particular seller currently has stock or that an alternate-model selection on a listing is the same product. Compare the DD0031 model label and port diagram if the purchase page offers variants. This assessment uses published manufacturer and Amazon specifications; it makes no claim of personal testing, buyer-review consensus, current price, stock, or sales.
Compare for your needs
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Before you buy
Does the 100W PD connector carry data?
No. Dockteck describes it as a charging-only input.
Can every USB-C laptop output 8K through it?
No. The host must support video, and the higher modes require DP 1.4 plus a compatible cable and display.
Is 100W delivered to the laptop?
The maker says up to 85W reaches the host after the hub's own power use.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Dockteck official DD0031 product page ↗ — checked October 5, 2026.
- Dockteck DD0031 SKU, port map, conditional HDMI modes, PD input/output claims, and requirements ↗ — checked October 5, 2026.
- Amazon item page identifies Dockteck model DD0031 and ASIN B0B525J2F6 ↗Paid link · We may earn a commission. — checked October 5, 2026.
- Amazon US model listing checked October 5, 2026; current condition, price, and availability are confirmed by the seller.
Is it the right fit?
Check the exact model and today’s offers on Amazon.