Our take
A83340A1 is a compact adapter for a USB-C host that needs one 4K30 display, two USB-A ports, and card access. Its lack of host charging and conservative power guidance should shape the peripheral list.
USB-C laptop users who need one 4K30 display, two USB-A data ports, and SD/microSD access without laptop charging through the adapter..
Users who need 4K60, laptop charging, Ethernet, several simultaneous high-current drives, or multiple external displays.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The model and exact ASIN are matched across Amazon and Anker sources.
- The layout includes two USB-A data ports and both SD formats.
- Anker gives a specific 4K30 HDMI limit and host video requirement.
What to weigh up
- The HDMI ceiling is 4K30 rather than 4K60.
- The hub does not support host charging.
- Anker lists total current and high-draw drive cautions.
Specifications and exact model details
The key details
| Model covered | A83340A1 |
|---|---|
| Host connector | USB-C host connector; host video requires DisplayPort Alt Mode |
| USB 3.x data ports | Two USB-A 3.0 data ports rated up to 5Gbps |
| Installation | Compact five-in-one adapter with HDMI and SD/microSD readers |
| Hub power | No external power input is listed |
| Host charging | Host charging is unsupported; USB-A current and high-draw device limits apply |
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
Fit the five connections to a compact travel kit
A8334 groups two USB-A data ports, one HDMI output, and SD and microSD readers around a USB-C host connection. That layout works for a laptop user who needs conventional peripherals, one external screen, and media-card access without carrying separate adapters. Anker rates the USB data path up to 5Gbps and its Japan specification lists card-reader transfer up to 104MB/s. Those are separate published limits; the USB figure is not a card-reader speed rating. The single HDMI port also does not make the adapter a multi-display workstation. Compare the connector mix with the devices used most often.
Check video support and stay within the HDMI ceiling
Anker lists HDMI up to 4K at 30Hz and says the computer's USB-C port must support DisplayPort Alt Mode for the media display function. That can be enough for presentations and video, but it is below 4K60. Confirm the host's video capability and the monitor's supported mode before buying. The saved material does not establish multiple external displays or a higher refresh ceiling. If the screen requirement is fixed at 4K60, this model does not meet it on the listed maximum. A USB-C connector alone is not proof of a working video path.
Use it for data expansion, not laptop charging
Anker explicitly says the hub does not support charging. The USB-A sockets are data connections; Anker's Japanese specification says output is at most 0.5A when used for charging. Its guidance also asks users to keep connected USB devices below 2.2A total and cautions that external drives requiring over 900mA may not work. That makes the adapter a poor choice for a charging hub or several demanding drives. Keep those limits in mind even when the host laptop itself has a high-capacity charger.
Plan the card and peripheral workflow
The SD and microSD slots add useful flexibility for importing from cameras and small devices, while two USB-A ports cover a modest accessory set. The saved specifications do not promise simultaneous independent maximum speeds across the USB and card connections. Anker also lists Apple USB SuperDrive and Nintendo Switch as incompatible, and warns about higher-current drives. If the routine combines card copies with multiple storage devices, compare a model with documented shared-bandwidth and power details. For a lighter travel kit, the port mix is more relevant than a marketing total; each connection still has its own role and limitation.
Use the verified model and exact Amazon destination
The Amazon item detail identifies Anker model A83340A1, UPC 848061054910, and ASIN B07H4VQ4BZ. Anker's official pages associate the A8334 family with the same port layout and 4K30 HDMI mode. That evidence supports the tagged direct destination. Check the selected item's model label, USB-A count, card slots, and host requirements before ordering. This assessment summarizes published specifications and makes no hands-on, current-price, current-stock, or buyer-review claim. The interface limits and power cautions come from Anker's saved materials and remain part of the purchase decision.
Reserve a compatible host path for video
A8334's HDMI output depends on a host USB-C port that supports DisplayPort Alt Mode. Confirm that computer-side capability before treating the screen connection as available. This is separate from whether the monitor and cable support the listed 4K30 maximum. The product's USB-C shape by itself does not promise a video signal, and its one HDMI connector does not imply two external screens. That check is especially useful when comparing a small travel hub with a full dock: Anker documents a single-display mode and a concise port set, not a universal laptop fit or a multi-monitor matrix.
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Before you buy
Can it charge a laptop through the hub?
No. Anker says A8334 does not support charging through the host connection.
What HDMI maximum does Anker list?
Anker lists up to 4K at 30Hz and requires DisplayPort Alt Mode from the host.
Can I attach several high-draw drives?
Anker recommends a combined USB-device load below 2.2A and warns drives needing over 900mA may not work.
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.
- Amazon Anker detail; A83340A1 model, UPC, exact ASIN, and feature list ↗Paid link · We may earn a commission. — checked October 5, 2026.
- Amazon item detail; exact model, UPC, ASIN, ports, and compatibility caveats ↗Paid link · We may earn a commission. — checked October 5, 2026.
- Anker EU official A8334 page; port layout, 5Gbps, 4K30, and host DP Alt Mode requirement ↗ — checked October 5, 2026.
- Anker Japan official A8334 page; card rates and USB power/current cautions ↗ — checked October 5, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.