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Do USB Hubs Add Latency? How to Lessen It?

Do USB Hubs Add Latency? How to Lessen It?

USB hubs are pretty handy, especially for people who want to increase the number of USB ports on a computer, laptop, or any similar device. However, people who are new to using this device might be wondering, do USB hubs add latency?  

Unfortunately, using USB hubs can add latency or delay on your computer. Depending on the computer model you are using, its system, and other factors, the delay can be barely noticeable to downright obvious. This blog will explore the relationship between USB hub and latency, how it impacts your tech setup, and ways to manage or minimize its effects for optimal performance. Read on! 

What Is Latency and Its Impact on Your Tech Setup?

Latency refers to the delay before a transfer of data begins following instructions for its transfer. Imagine telling your friend to pass a ball and counting the seconds before they throw it. That delay in response is similar to latency in your tech setup. In the context of USB hubs, it specifically pertains to the time it takes for data to travel from the peripheral devices connected through the hub to the computer. 

High latency can slow down your devices, making them less responsive, especially in scenarios requiring real-time data processing, such as video editing, gaming, or running complex software simulations. For gamers, even a slight delay can hinder gameplay, affecting the timing of inputs crucial in competitive environments. Similarly, for professionals like video editors or graphic designers, increased latency can lead to slower project render times, affecting productivity and efficiency.

What Causes Latency in USB Hubs?

A USB hub works by taking data from one port and distributing it to several others. This process involves data parsing, routing, and sometimes power distribution, all of which can introduce delays. Below are the various factors that contribute to latency in USB hubs:

  1. Quality of the USB Hub

High-quality USB hubs manage data more efficiently, resulting in lower latency. In contrast, cheaper, lower-quality hubs may not handle data as effectively, causing delays.

  1. Number of Connected Devices

More devices connected to a hub can lead to increased data traffic. This congestion can slow down the communication process, increasing latency.

  1. Type of USB Protocol

Different USB standards, like USB 2.0, 3.0, or 4.0, have varying speeds and capabilities. A hub using an older USB standard can be slower, adding more latency.

  1. Length of the USB Cable

Longer USB cables can introduce more latency. Signals take longer to travel back and forth over longer distances.

  1. Interference

Electronic interference from other devices can disrupt the signal in the USB hub, potentially increasing latency.

How to Measure and Identify USB Hub Latency?

To measure latency in a USB hub, you can check the time it takes for data to travel from the device to the computer. 

Firstly, one straightforward method is to use software tools designed to analyze USB port activities. Tools like USBlyzer offer detailed insights into what happens at each USB port, including the response times of connected devices. These tools monitor the data packets being transferred and measure how long it takes for them to complete the journey from the device to the host system, providing a clear picture of any latency issues. 

For those seeking more technical accuracy, another method is to conduct benchmark tests using specialized software that simulates high-load scenarios designed specifically for USB connections. This type of software can simulate data transfer, input devices, or video through the USB hub and measure the performance degradation or delay. 

Additionally, comparing the performance of devices connected directly to the computer versus through the USB hub can reveal any latency added by the hub. This comparative analysis helps in identifying not just the presence of latency but also its severity, allowing for more targeted troubleshooting and adjustments.

Strategies for Minimizing Latency in USB Hub Use

Below are some helpful tips that can help you reduce the latency that you experience when using a USB hub:

  • Choose hubs with independent power sources. These hubs can manage data more efficiently, reducing the chance of latency.
  • Opt for USB 3.0 or higher hubs. They have better data handling capabilities than older versions.
  • Keep your hub and drivers updated. Manufacturers often release updates that improve performance and reduce latency.
  • Avoid connecting too many devices at once. Overloading your hub can slow down data transmission, increasing latency.
  • Use high-quality cables. Poor-quality cables can degrade signal quality, adding to the latency.

Choosing the Right USB Hub to Reduce Latency

When selecting a USB hub that minimizes latency, you need to look at its specifications and features. Aim for hubs with high-speed data transfer rates, such as USB 3.0 or USB-C. These hubs are designed to handle data more efficiently, reducing potential delays. Also, consider hubs from reputable manufacturers. They tend to have better build quality and more reliable performance, which can contribute to lower latency. 

If you want to reduce latency, we highly recommend the Anker 341 USB-C Hub (7-in-1). It is a highly versatile and robust accessory that significantly expands the connectivity options for laptops and other devices. It comes equipped with an HDMI port, a 5 Gbps USB-C port, two 5 Gbps USB-A ports, a 100W PD-IN port, an SD card slot, and an Ethernet port, offering a wide range of connections for various peripherals. 

This hub allows users to stream or mirror content to an external monitor at resolutions up to 4K@30Hz, transfer files swiftly with 5 Gbps speed, and support powerful pass-through charging up to 85W, although a separate charger is required for this feature. 

The Anker 341’s solid construction and reliability are exceptional, thanks to its aluminum body that ensures durability and a sense of security during travel. It's especially convenient for professionals and individuals who require a portable yet powerful hub that can handle multiple devices simultaneously without sacrificing performance.


In conclusion, while USB hubs are invaluable for expanding connectivity, they can introduce latency that impacts device performance. Understanding the causes and measuring the extent of this latency are critical steps in managing its effects. By choosing the right USB hub and employing strategies to minimize latency, you can ensure a more efficient and responsive tech setup, enhancing both your productivity and the enjoyment of your digital experiences.


1. Is There a Downside to USB Hubs?

While USB hubs are great for expanding connectivity, they can have downsides. One potential issue is power distribution. If the hub is not powered adequately, connected devices might not function optimally. Another concern is data bandwidth. When too many devices are connected, they may compete for bandwidth, potentially leading to slower data transfer rates.

2. Are USB Hubs Okay for Gaming?

For gamers, USB hubs can be a mixed bag. While they offer additional ports for peripherals, they might introduce a slight delay, impacting performance in fast-paced games. However, using a high-quality, high-speed hub can mitigate these concerns, making them suitable for gaming, especially if direct ports are scarce.

3. Does a USB Hub Add Input Lag?

Yes, a USB hub can add input lag, especially if it's of lower quality or an older version like USB 2.0. This lag might not be noticeable in everyday tasks but can be problematic in scenarios requiring precise timing, like gaming or audio production. However, modern, high-speed hubs are designed to minimize this lag, making them more suitable for sensitive applications.

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