Our take
Consider HB-UMMC if you want a very small four-port USB 2.0 hub whose host connector can rotate to fit a crowded port.
A user who wants a very small four-port USB 2.0 hub whose host plug orientation can change to fit a crowded port..
It is not a documented choice for fast external storage, charging multiple devices at a known rate or replacing a full-size powered desk hub.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Sabrent publishes the HB-UMMC SKU and basic port/size details.
- The connector can rotate 90°/180° to change the hub's physical orientation.
- Plug-and-play and hot-swap operation and Windows/Mac/Linux compatibility are listed.
What to weigh up
- USB 2.0 is a limited interface for modern storage workloads.
- Charging output and external power are not specified.
- The historical ASIN and current Amazon offer are not mapped to the official SKU.
Specifications and exact model details
The key details
| Model covered | HB-UMMC |
|---|---|
| Host connector | Host connector type is not stated in the official text |
| USB 3.x data ports | Four USB 2.0 data ports |
| Installation | Mini hub, 2.3 x 0.7 x 1.7 inches; connector rotates 90 or 180 degrees |
| Hub power | External power and adapter are not specified |
| Host charging | Charging output is not documented |
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
Let the rotating host connector solve a physical fit problem
The HB-UMMC's distinctive feature is its rotatable USB connector. Sabrent says it can turn 90° or 180°, which may help the hub sit more naturally when a computer port faces sideways or is crowded by nearby equipment. The rotation changes physical orientation; it does not add a longer cable or a different USB generation. Check the distance between adjacent ports and the hub body on your own device, since the product page gives the rotation angles but no compatibility dimensions for specific computer models. Turning the plug may help align the hub body with the edge of a laptop, but the listing gives no clearance measurements for neighboring ports or thick cases. Compare the connector spacing in current photos before relying on a particular orientation. A rotating plug changes the body angle; it does not create cable reach or a stable mount for a heavier external drive.
Keep expectations within USB 2.0
Sabrent identifies this as a four-port USB 2.0 mini hub. It can add connections for basic peripherals, but the official page does not list a faster data interface or provide a transfer benchmark. If you need several external drives or frequent large-file transfers, choose a documented higher-speed model. The current source provides no evidence that four devices can each sustain a separate maximum rate, and this review makes no measured performance claim.
Use its compact form for nearby low-demand devices
The official page lists a 2.3 x 0.7 x 1.7-inch body and an aluminum four-port unit. That small footprint can fit beside a laptop or workstation where a larger powered hub would take up more room. Compact hubs can also place attached plugs close together, so compare your device plugs with the current photos if you use wide USB connectors. The page does not give spacing measurements or a cable-length specification.
Check the computer's operating system and power needs
Sabrent lists Windows, Mac and Linux compatibility and plug-and-play/hot-swap operation. The same page does not document a separate power input, supplied adapter or per-port charging output. Treat this as a peripheral-expansion hub rather than a charging station unless a current manual for the exact listing says more. If a bus-powered drive needs extra current, check its requirements and the host port's limit before connecting it.
Verify the SKU instead of relying on the old ASIN
The manufacturer's page confirms SKU HB-UMMC, but it does not mention B084H2NHNN. The historical Amazon page failed to load, so the affiliate destination is a tagged exact-model search. Compare the seller's model label, rotating connector, four USB 2.0 ports and dimensions with the official page. This avoids assuming that every result for a mini Sabrent hub is the same variant. No current stock, price, buyer-rating or personal-test statement is included.
Compare for your needs
Find the USB hub that fits you.
Tell us what matters. We’ll help you weigh the options.
Before you buy
Can the host connector rotate?
Sabrent lists 90°/180° rotation.
Is this a USB 3.x hub?
No, the official page identifies it as USB 2.0.
Does the page confirm a charger or charging wattage?
No. Sabrent's official HB-UMMC page gives no charger or charging-output rating.
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.
- Sabrent official HB-UMMC page identifies the rotating four-port USB 2.0 hub and its package details ↗ — checked October 5, 2026.
- Sabrent official model, connector rotation, OS support, dimensions, and package contents ↗ — checked October 5, 2026.
- Amazon B084H2NHNN returned an internal error; mapping to HB-UMMC remains unverified ↗Paid link · We may earn a commission. — checked October 5, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.