Our take
A well-documented seven-port USB 2.0 hub for fixed setups that value Type-A expansion, self-power options, and a metal mounting case.
A fixed workstation or equipment-area user who needs several basic Type-A peripherals and can use a Type-B host connection..
Users who need USB 3.x storage speeds, a USB-A or USB-C host plug, or verified modern operating-system support.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Coolgear's datasheet identifies the exact USBG-7U2ML model and seven downstream Type-A ports.
- Bus-power and self-power modes are documented.
- The metal case and wall-mounting capability suit a fixed installation.
What to weigh up
- The USB 2.0 maximum is listed at 480Mbps.
- The historical ASIN is not explicitly mapped to the model code.
- The datasheet's operating-system list is dated.
Specifications and exact model details
The key details
| Model covered | USBG-7U2ML |
|---|---|
| Host connector | Upstream USB-B connection |
| USB 3.x data ports | Seven USB 2.0/1.1 downstream Type-A ports; no USB 3.x ports documented |
| Installation | Metal case with wall-mounting capability |
| Hub power | Bus-powered or self-powered operation; datasheet lists an AC supply |
| Host charging | No USB-C PD host-charging path |
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
Select it for a large set of basic USB-A connections
The USBG-7U2ML is built around seven downstream Type-A sockets and a separate upstream Type-B link to the computer. That layout is meant for users who need to connect several USB peripherals from a desktop or laptop host, such as keyboards, printers, scanners, or other older USB devices. The port types and model are defined in the manufacturer's technical sheet, making it easier to distinguish from a compact USB-C video dongle. An importer repeats the seven-port title for B004ESP144, though it does not expose the maker's model code for that ASIN.
Treat the USB 2.0 limit as a workload boundary
The manufacturer lists USB 2.0/1.1 and up to 480Mbps for its high-speed mode. That is a legacy USB hub, not a high-speed 5Gbps storage hub. It can fit peripherals whose purpose is connection expansion rather than fast bulk transfer, but large media copies and modern external SSD use may be constrained by the shared upstream USB 2.0 link. The 480Mbps figure is a standard maximum claim, not an observed result. Buyers mainly connecting a mouse, keyboard, or other lower-bandwidth devices may value seven sockets more than raw throughput.
Decide whether external power is necessary
Coolgear's sheet says the hub can work from bus power or self-power, and the matching imported description says it includes an AC power adapter. This gives a buyer two operating modes according to the documentation. The sheet's packing list identifies a 110/220 AC supply, but the exact adapter plug and present offer contents should still be checked. A hub powered from its own supply may help when several downstream devices draw power, while bus power depends on the host. The source does not guarantee wattage for each socket or explain how power is divided under load.
Use the metal body and mounting design for a fixed setup
The manufacturer calls out a rigid metal case and wall-mounting capability, pointing to a hub that can be attached in an office, lab, or equipment area rather than left loose on a desk. The sheet gives dimensions, but no current installer guide or mounting-hardware details were inspected. If the hub will be installed in a cabinet or equipment rack, confirm how its mounting ears align with the intended surface and leave space for the power and Type-B cables. These features do not establish environmental certification for harsh industrial conditions.
Check compatibility for current systems
The manufacturer sheet lists Windows 2000, 2003, CE, Vista, Windows 7 and Windows 8, Linux, and Mac OS 10.X. That historical list supports broad legacy-computer use but does not document current Windows or macOS releases. Another retailer states newer operating-system support, but the saved review prioritizes the official sheet for verified facts. If the hub will connect to a recent managed workstation, confirm current driver or enumeration behavior with the supplier. The datasheet does not provide a contemporary compatibility matrix for the old Amazon item.
Keep the historic ASIN separate from the model code
The official source confirms USBG-7U2ML, and NatureBridge's product-specific record repeats B004ESP144 with the matching seven-port metal powered-hub title. That is useful cross-source support for the candidate, yet it does not directly print the USBG-7U2ML code next to the imported ASIN. The old Amazon detail page was unreadable. Use a tagged model search and compare the housing, Type-B upstream connection, and seven Type-A outlets. This model is distinct from Coolgear's USB 3.0 CG-7PU313C hub, and no specifications from that faster model are used here.
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Before you buy
How many downstream ports are listed?
The datasheet identifies seven downstream USB-A ports.
Is it USB 3.0?
No. The datasheet identifies USB 2.0/1.1.
Does the datasheet show bus and self-power modes?
Yes; it describes both bus-power and self-power modes.
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.
- Coolgear manufacturer data sheet identifies the model, seven Type-A ports, Type-B upstream, USB 2.0 speeds, power modes, and metal case ↗ — checked October 5, 2026.
- Coolgear USBG-7U2ML datasheet: model, one upstream Type-B, seven downstream Type-A, USB 2.0/1.1 speeds, power modes, metal case, and mounting ↗ — checked October 5, 2026.
- NatureBridge imported record repeats B004ESP144 and a matching seven-port powered-hub title but omits USBG-7U2ML ↗ — checked October 5, 2026.
- Historical Amazon detail page returned no readable details ↗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.