Our take
JU-H30112-S1 fits someone who needs three USB 3.0 data ports, Gigabit Ethernet and a Type-C host adapter in a compact hub.
A buyer who needs three USB data ports and wired Gigabit Ethernet, and can confirm the host adapter and package fit before ordering..
Avoid it when laptop charging, monitor output, SD cards, or a known external power and port-current budget is essential.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The product-specific listing gives the model number
- Three USB 3.0 ports and Gigabit Ethernet are listed
- A Type-C adapter and tuck-away cable are described
What to weigh up
- Base host plug arrangement is unresolved
- External power and port power budget are not specified
- Frozen ASIN and current offer are unverified
Specifications and exact model details
The key details
| Model covered | JU-H30112-S1 |
|---|---|
| Host connector | Host connector is not resolved; a Type-C-to-USB-A adapter is included |
| USB 3.x data ports | Three USB 3.0 data ports |
| Installation | Tuck-away cable and included Type-C adapter |
| Hub power | External power supply or inlet is not listed |
| Host charging | No host PD input is listed |
Performance figures are manufacturer claims. Source checked October 4, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
A defined port map for networking and accessories
JU-H30112-S1 combines three USB 3.0 ports with one Gigabit Ethernet port. That is a practical combination for a laptop or small desktop that needs a wired network connection while adding several everyday USB-A peripherals. The product listing gives the Ethernet ceiling as 1000Mbps and the USB rate as up to 5Gbps, so buyers can compare those interface claims with their network adapter, router and attached devices. Those are specification limits, not guaranteed real-world throughput. The listing does not claim Wi-Fi, video output, card reading or laptop power delivery.
Type-C compatibility uses the included adapter
The product page describes a Type-C-to-USB-A adapter for connecting to a USB-C-equipped computer. That can make the hub more flexible across older USB-A and newer USB-C hosts, but the adapter does not turn this into a USB-C dock with video or charging. The inspected product listing describes a hub attached through USB 3.0 and names no display or PD functions. Check which adapter and cable are present in the exact package before ordering, especially if the host has only USB-C sockets.
The cable can tuck away, but the power setup is unclear
Office Depot describes a tuck-away cable intended for portability and storage. Its inspected product entry does not list a wall adapter or an external power socket. That absence is not proof that every package is bus-powered, so buyers with several power-hungry drives should confirm the manual and exact package before depending on this hub. A network adapter plus three attached USB devices can also draw more host power than a mouse-only setup, and the listing gives no per-port current budget.
Check the full network path
A 1000Mbps Ethernet interface can be useful on a stable office network, but the link depends on the switch or router, cable, host connection and network service. The page describes a wired connection and a no-driver USB connection in general terms; it does not specify operating-system versions, network driver details or performance tests. Confirm compatibility with the computer and IT environment before adopting the hub for managed work machines. Do not infer that the Ethernet link guarantees a gigabit internet connection.
Who should consider it
This SIIG hub fits someone who needs a short list of known connections: three USB 3.0 data ports, Gigabit Ethernet and a USB-C host adapter. It is a weaker choice when laptop charging, monitor output, SD cards, a known power budget or a verified current Amazon variant is required. Search by JU-H30112-S1 and inspect the current model label and package. This review follows the product-specific listing and makes no claim of hands-on testing or buyer-review summaries.
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Before you buy
How many USB data ports are listed?
The Office Depot record lists three USB 3.0 downstream data ports.
What Ethernet rate is claimed?
The SIIG listing gives a maximum Ethernet interface rate of 1000Mbps.
Does the Type-C adapter provide charging or display output?
No charging or display role is documented for the included Type-C adapter.
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.
- Office Depot SIIG JU-H30112-S1 product listing ↗ — checked October 4, 2026.
- Office Depot listing for model, three USB ports, Ethernet, host adapter and tuck-away cable ↗ — checked October 4, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.