Our take
CL-U2MNHUB-4B is a compact bus-powered four-port USB 2.0 hub with individual switches and a built-in four-inch lead. Its host plug shape and current limits are not established by the inspected page.
A buyer who needs a compact USB 2.0 peripheral hub with individual port switches and can confirm the host plug and device power needs..
Fast external storage, high-draw devices without a known power budget, or anyone who needs a confirmed USB-C host connector or an exact current Amazon listing.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Exact Connectland part number is published
- four USB 2.0 ports
- individual switches
- bus-powered design and built-in short cable.
What to weigh up
- 480Mbps maximum link class is slow by current storage standards
- host plug and power budget are unspecified
- exact historical ASIN is unverified.
Specifications and exact model details
The key details
| Model covered | CL-U2MNHUB-4B |
|---|---|
| Host connector | The host connector shape is not stated in the inspected Syba page; confirm the exact plug. |
| USB 3.x data ports | No USB 3.x data ports are listed; the hub is USB 2.0. |
| Installation | A mini four-port cabled hub, not a computer-model-specific mount. |
| Hub power | Bus-powered; individual switches do not establish a power budget. |
| Host charging | Host charging pass-through 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
Use it for basic USB 2.0 peripherals
CL-U2MNHUB-4B is a compact, older-generation hub for adding four USB 2.0 connections to a computer. The 480Mbps figure is the interface maximum named by the product page, not a guaranteed file-copy rate or a separate 480Mbps promise for every port at once. It is therefore a better fit for low-bandwidth peripherals than for a workflow built around fast external SSDs or large repeated transfers. The source describes it as a mini hub and lists support for Mac and PC, but does not provide a modern operating-system compatibility table.
Use the port switches where individual control helps
The page lists an on/off switch for every USB port. That allows a user to leave devices connected while cutting a port's connection without unplugging it, which may be convenient for a fixed desk with several accessories. The source does not describe a power meter or per-port current limit, so the switches should not be treated as evidence that each output can safely power a high-draw device. Since the hub is bus-powered, check the host's available USB power and the peripherals' requirements.
Measure the short lead and confirm the plug
A built-in four-inch lead keeps the hub close to its host. That can suit a nearby laptop port, but it may be awkward if the computer sits under a desk or behind a monitor. The source page does not state the host plug type in the text we could inspect, so check the port illustration or exact current product details before ordering. Do not assume that a mini-hub label means a specific USB-A or USB-C connector.
Keep this exact model separate from newer hubs
The part number is independently identified, but B0721KR152 was not mapped to it by a readable Amazon listing. The affiliate link searches by both the model and old ASIN. Check that the result says CL-U2MNHUB-4B, uses USB 2.0, and includes four port switches before buying. No display output, Ethernet, card reading, USB-C data or charging feature appears in the inspected product description, and none is borrowed from other Syba or Connectland products.
Match the bus-powered design to the devices you leave connected
The page calls this hub bus-powered but does not provide a per-port current figure or a total power budget. That makes the likely routine as important as the four-port count. A keyboard, mouse receiver and other modest USB 2.0 peripherals are different from several bus-powered storage devices or accessories that draw more current. The individual switches let you disconnect a device without removing its cable, but they do not create extra power capacity or regulate an output to a documented level. If a device repeatedly disconnects, check the computer's available USB power and the accessory's own requirements rather than assuming the port switch solves the issue. The source also leaves the host connector shape unstated, so the physical plug must be confirmed from the exact model image or listing before you order. A USB-C-only laptop may require a separate compatible adapter, adding another connection and another point to verify. Choose this model when a small, simple USB 2.0 hub and local on/off control match the setup; choose a hub with a documented external supply if the attached devices need a known power source. A useful comparison is to list which peripherals need to stay connected together and whether any of them draw power directly from USB. Syba states USB 1.1 compatibility, but it does not publish a current operating-system list or a modern device power table. Neither the four switches nor backward compatibility resolves those questions. Confirm the computer-side connector on the offered unit, then compare its bus-powered design with the needs of the actual device mix instead of using port count alone as a proxy for capacity.
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Before you buy
How many USB ports?
The Syba page lists four downstream USB 2.0 ports on this model.
What is the listed USB rate?
Syba states a maximum interface rate of up to 480Mbps for its USB 2.0 ports.
Does the source establish USB-C host support?
No; the inspected page does not identify the computer-side plug shape.
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.
- Syba product page for Connectland CL-U2MNHUB-4B ↗ — checked October 5, 2026.
- Syba Connectland page lists part number, four USB 2.0 ports, 480Mbps, bus power, switches and a four-inch cable ↗ — checked October 5, 2026.
- Amazon B0721KR152 page returned a cache miss; mapping to CL-U2MNHUB-4B is 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.