Our take
GM-HU310DW offers ten USB-A data ports in a powered metal enclosure with mounting options. Its 57W total limit and 12W per-port maximum are the relevant power figures; the conflicting 600W listing phrase is not a usable output rating.
A fixed workstation or equipment installation that needs ten USB-A data connections, an external supply and listed mounting options..
Someone seeking a portable bus-powered hub, a standalone charger, laptop PD charging or high per-port power beyond the documented limit.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Amazon's exact ASIN and Gearmo's model sheet identify GM-HU310DW.
- Ten Type-A data ports, a 5Gbps interface and an external DC input are documented.
- Metal enclosure, wall/DIN-rail mounting and supplied power components are listed.
What to weigh up
- The unit requires a host and external power rather than working as a standalone charger.
- All ten ports share the upstream connection and 57W maximum total draw.
- Amazon's 600W-per-port language conflicts with Gearmo's 12W maximum per port.
Specifications and exact model details
The key details
| Model covered | GM-HU310DW |
|---|---|
| Host connector | USB Type-B female upstream port; Amazon describes an included USB-A-to-B cable. |
| USB 3.x data ports | Ten USB-A USB 3.2 Gen 1 downstream ports up to 5Gbps. |
| Installation | Metal case supports wall or DIN-rail mounting; fixed desktop or equipment installation. |
| Hub power | External 9–24V DC input; 57W maximum total draw; supply included per maker package list. |
| Host charging | Not a host-charging hub; it requires a computer and does not function as a standalone charger. |
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
Choose it for a high port count and fixed installation
GM-HU310DW is a powered ten-port USB-A hub in a metal chassis, with a Type-B upstream connection and mounting options for a surface, wall or DIN rail. That combination is intended for a desk, workstation or equipment area that needs many peripheral connections kept in one place. Gearmo describes its enclosure as metal, while Amazon lists top-facing ports. The maker sheet gives a body around 6.3 × 2.37 × 0.94 inches, so placement and mounting deserve planning. This is a bulkier, externally powered unit rather than a pocket hub for a laptop bag, and the ports still share one connection to the host.
Know the speed ceiling and shared upstream path
Gearmo lists USB 3.2 Gen 1 with a maximum link rate of 5Gbps and a Type-B upstream port. It belongs to the USB 3.0 naming family, but is not a 10Gbps or USB4 hub. Ten ports can connect many devices, yet they share the hub link back to the computer; ten simultaneous file copies do not each receive a dedicated 5Gbps pipeline. Actual transfers also depend on the host, attached devices, cable and workload. Amazon describes an included Type-A-to-B lead, so check that the computer has a suitable connection or plan a compatible link.
Budget power across connected devices
Unlike a bus-powered travel hub, GM-HU310DW requires external DC power. Gearmo lists 9–24V input, a 57W maximum total draw and no more than 2.4A/12W at an individual port. Those limits are useful when connecting several peripherals, but the maximum is not available to every port at once. The manufacturer package list includes a power supply, while Amazon describes a 12V/5A adapter. Confirm the retail package and wall-power arrangement if the installation depends on a particular supply. Gearmo also says the hub requires a host and is not a standalone charger.
Use mounting and protection claims in context
The maker lists a metal enclosure, mounting hardware and 15kV USB-interface ESD protection. Those details may suit a fixed installation where cabling and port access need organization. ESD protection is a specific manufacturer claim; it is not a guarantee against every surge, wiring error or environmental hazard. Gearmo's package list includes a mounting bracket and screws, while Amazon names additional clips and brackets. Match the hardware to the cabinet or surface actually available. The data sheet does not supply an ingress rating or drop test, so do not treat the enclosure as weatherproof or shockproof.
Check package and connector details before installation
The maker package list includes the hub, bracket, power cable, supply, screw pack and USB cable. Amazon adds detail about a 12V/5A supply, six-foot Type-A-to-B lead, DIN rail clip, surface brackets and terminal connector. These details help estimate the installation, but the exact current retail package should be checked on the selected result. The hub's input range and terminal connection support different fixed-power arrangements according to Gearmo, but anyone using the terminal input should follow maker documentation. This review does not claim electrical installation testing.
Treat inconsistent listing language conservatively
Amazon identifies B07C65MMH1 as GM-HU310DW, and Gearmo's sheet corroborates the core port and power design. However, the Amazon description also says 600W surge protection for each port, while Gearmo specifies a 12W maximum per port and 57W maximum total draw. Those numbers describe very different things, and the maker sheet does not support interpreting the Amazon phrase as usable output power. Exclude that claim from matching and buying decisions. Choose this model when ten Type-A connections, external power and mounting matter. This review makes no current price, stock or hands-on test claim.
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Before you buy
Is GM-HU310DW a standalone charger?
No. Gearmo says it requires a host.
What upstream connector does the maker specify?
Gearmo specifies a Type-B female upstream connection on the hub.
What is the maximum per-port draw in the maker sheet?
The manufacturer limits each port to 2.4A or 12W maximum.
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.
- Gearmo GM-HU310DW technical data sheet ↗ — checked October 5, 2026.
- Gearmo technical sheet with model, ports, power, material and mounting details ↗ — checked October 5, 2026.
- Amazon detail page identifies exact model and ASIN; conflicting 600W wording excluded ↗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.