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Plugable USB 2.0 4-Port Hub with 12.5W Power Adapter with BC 1.2 Charging
$23.95 USD
SKU: USB2-HUB4BCAmazon Rating : (492 Reviews)
Features
- Features—The USB 2.0 4-Port High Speed Hub enables you to add up to 4 additional USB devices. Fully plug and play, devices can be hot-swapped, supports USB over-current protection. Requires no driver installation
- Compatibility—Forwards and backwards compatible with all USB 3.0, 2.0, or 1.1 host controllers and devices on Windows, Mac, and Linux/Unix computers at USB 2.0 speeds up to 480 Mbps
- Design—Master blue power LED. Sleek piano black glossy finish. Compact and portable design
- Notes—Some Apple devices such as SuperDrive will not work when connected through any USB hub.
- 2-Year Coverage, Lifetime Support—Every Plugable product, including this port hub, is covered against defects for 2 years and comes with lifetime support. If you ever have questions, contact our North American-based team - even before purchase
Charge and Sync Almost Anything
USB has become more than a way of connecting devices to a computer with plug and play ease and high performance, it has also become the method of choice to power and charge a huge range of portable battery-powered devices like cell phones, tablets, USB battery packs, handheld game consoles, e-readers, cameras, smartwatches, fitness trackers, bicycle lights, and many more. Some of those mobile devices have adopted proprietary mechanisms to draw more power than USB was originally designed to allow which has caused confusion about charging but is now being solved by the USB-IF (USB Implementers Forum) Battery Charging (BC) standard.
The Plugable USB 2.0 4-Port Hub (USB2-HUB4BC) does everything existing USB hubs do, plus has support for the Battery Charging standard. So it’s a no-compromise solution for both gaining extra USB ports, and for charging the newer generation of BC standard compliant devices. When a compliant device is attached it can charge at a faster rate (up to 1.5A vs 500mA of a standard port).
USB Battery Charging
Since the hub conforms to the USB Battery Charging specification, nearly any modern device will charge when connected. If the hub is connected to a host computer, you can also transfer photos or other files on the device to your computer.
Incompatible devices include early generation iPads and iPhones that don't use the Lightning connector, some older Android phones, and some of the larger Windows tablets. All of these devices require proprietary signaling and need a special charger.
USB 2.0 Connectivity
For basic USB connectivity, this hub works well with most devices. USB 2.0 has been the standard for device connections for quite a few years, so there are generally no surprises with a USB 2.0 hub.
Even USB 3.0 devices work on this hub because of backward compatibility. However, they will be limited to the USB 2.0 maximum of 480Mbps.
Size
The hub body measures 2.5in x 1.5in x 0.75in, plus the external power adapter.
The power adapter is not required for basic, low current, non-charging USB connectivity (up to 100mA per port), but we recommend using it for most situations.
Raspberry Pi
The hub pairs well with a Raspberry Pi because of its diminutive size. In the snake-eating-tail configuration, this hub can provide 3 extra ports, and simultaneously power the Pi.
Compatibility
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USB Port Types
USB-A
pietz, CC BY-SA 3.0 , via Wikimedia Commons
This is the standard USB connection that most computers offered prior to the introduction of USB Type-C (USB-C). Even after the introduction of USB Type-C, this is still quite common.
It can provide data transfer rates up to the USB 3.1 Gen 2 (10 gbps) specification depending on the host and device, but does not directly support video in the way that USB-C Alternate Mode does. This limitation makes DisplayLink USB graphics adapters and docking stations ideal on systems that do not have USB-C, or in instances where more displays are needed beyond available video outputs of a PC.
USB-B
Fred the Oyster, CC BY-SA 4.0 , via Wikimedia Commons
IngenieroLoco, CC BY-SA 4.0, via Wikimedia Commons
This type of connection comes in a couple different styles depending on whether USB 3.0 and higher transfer rates are supported (bottom graphic). Usually this type of connection is used to plug into USB devices that do not have a fixed cable connected, such as USB docking stations, USB hubs, printers, and others.
USB Mini-B
Fred the Oyster, CC BY-SA 4.0 , via Wikimedia Commons
One of the first connectors for charging a smartphone, wireless game controller (such as the Sixaxis and DualShock 3), and other small devices such as external hard drives. Not commonly used today, but is still used in some cases. Most devices using USB Mini B are using USB 2.0, though a USB 3.0 variant does exist. This specification also added USB On-The-Go (OTG) functionality, though it is more commonly implemented with Micro USB.
USB Micro-B
Fred the Oyster, CC BY-SA 4.0, via Wikimedia Commons
IngenieroLoco, CC BY-SA 4.0 , via Wikimedia Commons
A smaller connector that serves many of the same uses as the Mini B connector, with added optional features such as Mobile High-Definition Link (MHL) to allow devices like smartphones to output video to larger displays without requiring a dedicated port for video output.
The larger variant of USB-B is most commonly used for external hard drives for higher 5Gbps transfer rates.
USB-C, Thunderbolt™ 3, and Thunderbolt™ 4
Niridya , CC0, via Wikimedia Commons
The most recent USB connection, USB Type-C (USB-C), represents a major change in what USB can do. The connector is smaller, can be connected in two orientations, is able to carry substantially more power and data, and can directly carry video signals of multiple types (HDMI, DisplayPort, etc.) Intel has also adapted the USB-C connector for use with Thunderbolt 3 and Thunderbolt 4.
It is important to note that while all Thunderbolt 3 and Thunderbolt 4 connections are USB-C, not all USB-C connections can be used with Thunderbolt 3 or Thunderbolt 4 devices.
More details regarding physical USB connections can be found on Wikipedia . The graphics depicted here are adapted from Wikimedia Commons by various artists under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Self-Powered vs Bus-Powered USB Devices
While all USB ports provide some amount of power for attached devices, the available power may not be enough for certain high-current devices such as USB hubs or external hard drives. High-current devices usually come with their own power adapter, making them self-powered, in contrast to a bus-powered device that draws all of its power from the host computer's USB interface. Bus-powered devices can cause issues if they need more power than is available from the host machine.
Many of our devices that include power adapters, especially USB hubs, will function in either self-powered or bus-powered mode. However, even though the device may function, each additional device attached to the host computer reduces the total available bus power. If the power runs out, any USB device attached to the computer may suddenly disconnect. If this were to happen to a USB storage device, such an event could result in permanent data loss.
If a device comes with a power adapter, we recommend that the adapter stay connected at all times, otherwise the device may not function as designed.
Self-powered USB device - A device that takes all of its power from an external power supply
Bus-powered USB device - A device that takes all of its power from the host computer's USB interface.
I accidentally connected a 12V power supply instead of the included 5V power supply and damaged my hub. My devices attached to the hub may have also been damaged. What can I do?
Unfortunately, as this is considered user error, we cannot repair or replace any damaged items.
Can the hub charge iPods/iPads and other smartphones?
Apple device charging behavior varies according to both the size of the device and whether it has a “Lightning” or “30 pin” connector.
Newer Apple devices with the “Lightning” connector, when attached to the BC 1.2 Standard compliant Flip-Up ports without a host computer, can charge at up to 1.5 Amps.
Older “30 pin” iPads will only charge when the iPad is turned off. When turned on, these older iPads will report “Not Charging”. 30 pin iPods, iPads or iPhones will charge only at the standard 500mA rate.
My External hard drives disconnect randomly or when I sleep/wake my Mac causing an improper drive eject error message.
Hard Drive Updates:
- Check for and update external hard drive firmware if available.
- For Intel based Macs, perform an SMC and PRAM/NVRAM reset SMC.:
- Perform an SMC reset: https://support.apple.com/en-us/HT201295
- Perform an NVRAM/PRAM reset: https://support.apple.com/en-us/HT204063
- Disable Power Nap on Mac (in power settings, disable for when connected to AC power and battery if the customer uses the hub while also on battery power).
- If possible, test the USB hub and hard drives with a Windows PC to see if the issue persists there as well.
If this issue persists, if possible we have a tool that automates collecting a set of log files from your system. You can download the PlugDebug tool and learn how to use it by clicking on this link:
Ensure that you have the USB Hub connected to the computer when the PlugDebug application is run. Then send us a copy of the log files to Support@Plugable.com
Some or all of the USB ports are not working on my Hub.
If your USB Hub is having issues with some USB ports not connecting to the host computer, there are a few steps that you should try to resolve this issue.
Full power cycle reset:
- Disconnect the power supply, USB Host cable, and all devices from the USB Hub.
- Leave the USB Hub disconnected for 30-60 seconds.
- Reconnect the USB Hub’s power first.
- Connect the USB into the host, then plug USB devices back into the hub.
If this issue persists, if possible we have a tool that automates collecting a set of log files from your system. You can go here download the PlugDebug tool and learn how to use it.
Ensure that you have the USB Hub connected to the computer when the PlugDebug application is run. Then send us a copy of the log files to support@plugable.com
Do Plugable products support the Apple SuperDrive?
Unfortunately Plugable products do not support the Apple SuperDrive.
The Apple SuperDrive has stringent power requirements that can only be met by directly connecting the SuperDrive to your host laptop. As a result at this time Apple recommends only using their USB-C adapter cables. You can find more information on that here → How to connect the Apple USB SuperDrive
If you have purchased a Plugable product to use with your Apple SuperDrive, and would like some additional assistance please do not hesitate to reach out. You can do so by emailing support@plugable.com, or going to Plugable.com/Support.
Understanding Heat Generation in Electronics
It's not uncommon for users to notice a certain level of heat generation from electronics and by extension, Plugable products during operation. In this knowledge base article, we'll explore the reasons behind this heat generation and why it is considered a normal experience within reasonable limits.
Electronics, by their nature, generate heat during operation. This is primarily a result of the electrical current flowing through various components, such as integrated circuits, transistors, and other electronic elements. As Plugable products are designed to efficiently process and transfer data (among other functionality), some level of heat generation is inherent.
Factors Influencing Heat Generation:
- Power Consumption: The power consumption of a device directly influences the amount of heat it generates. Higher power usage, especially during data transfer or charging processes, can lead to increased heat.
- Enclosure Design: The design of the product's enclosure and its ability to dissipate heat play a crucial role. Adequate ventilation and heat sinks are often incorporated to manage and disperse generated heat effectively. This is evident in our TBT3-UDZ and TBT4-UDZ designs. The metal case in these docks are designed to function as a heatsink with thermal pads placed throughout the enclosure. This allows heat dissipation from inside to the outside, but will also make it feel as if the device is “too hot”.
- Ambient Temperature: The external environment may also play a role. Higher ambient temperatures can contribute to increased perceived heat from the product. This means that summer temperatures may increase the heat generation of not just Plugable products, but many other electronic devices.
Normal Heat Levels: While it is normal for electronic devices to generate heat, Plugable products are engineered to operate within safe temperature ranges. We conduct rigorous testing to ensure that the heat generated during normal operation falls within industry-standard safety parameters. While not all products are or need to be UL certified, we try to go by UL guidelines for thermal readings. The UL threshold is 77C/170.6F, and we aim for around 71C/160F.
Tips for Users:
- Ventilation: Ensure that Plugable products have sufficient ventilation around them. Avoid placing them in enclosed spaces where heat dissipation may be impeded.
- Usage Patterns: Intensive tasks such as high-speed data transfer or charging multiple devices simultaneously may result in increased heat generation. This is generally normal but may be more noticeable in such scenarios.
- Accessories: A number of our devices will allow for the connection of USB accessories and as such, these will require power. If too many “power-hungry” devices are connected, this will cause the device to run much hotter than expected. Be sure to keep in mind the power limits of your dock/device.
In conclusion, experiencing heat from Plugable products is a normal aspect of their operation. Users can rest assured that we prioritize the safety and efficiency of our devices. By understanding the factors influencing heat generation and following simple usage guidelines, users can make the most of their Plugable products while ensuring a reliable and efficient user experience.
Understanding Power Delivery vs. Pass-Through Power Delivery
When choosing a docking station or USB hub, it's important to understand the difference between Power Delivery (PD) and Pass-Through Power Delivery. While both terms refer to charging capabilities, they function differently and impact how power is distributed to connected devices.
What is Power Delivery (PD)?
USB Power Delivery (PD) is a fast-charging standard that allows devices to negotiate power levels dynamically. Key aspects include:
- Enables higher power transfer (up to 100W or more, depending on the device and cable).
- Ensures efficient charging by dynamically adjusting voltage and current.
- Commonly used in USB-C chargers, docking stations, and hubs that provide power directly to laptops, tablets, and smartphones.
Example: A USB-C docking station with PD output can charge a connected laptop while simultaneously powering other peripherals. Additionally, these tend to come with their own AC adapter.
What is Pass-Through Power Delivery?
Pass-Through Power Delivery refers to a hub or docking station that does not generate power itself but instead allows power to pass through from an external power adapter. Key aspects include:
- Requires a dedicated power adapter (e.g., a USB-C PD laptop charger) plugged into the docking station or hub.
- Typically, a portion of the incoming power is allocated to the dock’s functionality (such as data transfer and peripheral connections), and the remaining power is sent to the connected laptop or device.
- May reduce the total power available to the laptop compared to direct charging.
Example: A USB-C hub with pass-through PD allows a laptop's original USB-C PD charger to be connected to the hub, which then distributes power to the laptop while also supporting external peripherals.
Choosing the Right Option
- If you need a docking station that can directly charge your laptop, look for one with dedicated Power Delivery (PD) support.
- If your laptop already has a high-wattage charger and you want to maintain power while expanding connectivity, a pass-through PD hub may be a better choice.
- Be mindful of power limitations with pass-through charging, as some hubs may reserve power for their own operation, reducing the power available for the laptop.
Some examples of hubs with PD pass-through would be our USBC-9IN1E with 140w pass-through charging or our smaller USBC-4IN1 with 100w pass-through.
On the flip side, we have our docking stations that power your devices by themselves. Examples such as our UD-7400PD which is capable of 140w of charge and 5 displays.
Understanding these differences will help ensure you select the right docking station or USB-C hub for your setup. If you have any questions or would like a recommendation, feel free to reach out to our support at support@plugable.com
