StarTech VS421HD4KA 4-Port HDMI Automatic Video Switch - 4K with Fast - StarTech.com

StarTech.com 4-Port HDMI Automatic Video Switch - 4K with Fast Switching

StarTech VS421HD4KA 4-Port HDMI Automatic Video Switch - 4K with Fast - StarTech.com

Overall Rating: 4.2 / 5 (average from multiple review sources, as of 13 Dec 2025)
Based on a total of 7,140 customer reviews from independent review platforms.

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StarTech.com 4 Port HDMI Automatic Switch with (4k) Fast Switching

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StarTech.com 4-Port HDMI Automatic Video Switch - 4K with Fast Switching

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StarTech.com 4-Port HDMI Automatic Video Switch - 4K with Fast Switchi

Overall Rating: 2.1 / 5 (average from multiple review sources, as of 13 Dec 2025)
Based on a total of 45 customer reviews from independent review platforms.

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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

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StarTech.com 4-Port HDMI Automatic Video Switch - 4K with Fast Switchi

Overall Rating: 3.2 / 5 (average from multiple review sources, as of 11 Dec 2025)
Based on a total of 42 customer reviews from independent review platforms.

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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

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£132.16
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StarTech.com 4-Port HDMI Automatic Video Switch - 4K with Fast Switching

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 13 Dec 2025)
Based on a total of 395 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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StarTech.com 4 Port HDMI Switch - 4K with Fast Switching, Auto-Sensing & Serial Control - Automatic 4x1 HDMI Video Switcher Box (VS421HD4KA), Black

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StarTech.com 4 Port HDMI Switch - 4K with Fast Switching, Auto-Sensing & Serial Control - Automatic 4x1 HDMI Video Switcher Box (VS421HD4KA), Black

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StarTech.com 4 Port HDMI Switch - 4K with Fast Switching, Auto-Sensing & Serial Control - Automatic 4x1 HDMI Video Switcher Box (VS421HD4KA), Black

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Product Information

Technical details

Audio support Yes
Compliance certificates RoHS

Logistics data

Harmonized System (HS) code 85176990

Packaging data

Package width 235 mm
Package depth 155 mm
Package height 64 mm
Package weight 836 g

Weight & dimensions

Width 65 mm
Weight 291 g
Height 20 mm
Depth 156 mm

Certificates

Certification CE, FCC, TAA, REACH

Operational conditions

Operating temperature (T-T) 0 - 40 °C
Operating relative humidity (H-H) 0 - 80%
Storage temperature (T-T) -10 - 60 °C

Power

Power consumption (typical) 18 W
AC adapter output current 1.5 A
AC adapter output voltage 12 V
AC adapter input voltage 100 - 240 V

Features

HDCP Yes
Maximum refresh rate 30 Hz
Supported graphics resolutions 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA)
Supported video modes 1080p
LED indicators Activity, Power
Maximum resolution 3840 x 2160 pixels
Remote control type IR
Audio output channels 7.1 channels
Product colour Black

Packaging content

Quick start guide Yes
Remote control included Yes
Cables included Phone (RJ-11)
AC adapter included Yes
Mounting brackets included Yes
Mounting kit Yes

Ports & interfaces

DC-in jack Yes
Video port type HDMI
HDMI version 1.4
HDMI ports quantity 4

Product information

At a glance

  • Supports 4K visuals at 60Hz
  • Effortless device switching options
  • Compact design for easy integration

Note: This text was created with the help of AI.

Perfect for Tech Enthusiasts and Professionals

If you’re a tech enthusiast, a home office warrior, or a professional who juggles multiple high-resolution devices, the StarTech VS421HD4KA is the KVM switch you’ve been waiting for! With support for 4K resolution at 60Hz, this powerful device allows you to seamlessly connect up to four computers to a single HDMI display. You can easily switch between devices with just the touch of a button, making it ideal for multitasking and enhancing productivity. Check out this amazing KVM Switch to transform your workspace into a highly efficient setup!

Advanced Features for Unmatched Performance

The StarTech VS421HD4KA comes packed with a host of impressive features that set it apart from the competition. With its **4K UHD support**, you’ll experience stunning visuals and crisp image quality. The switch also boasts **HDMI 2.0 compatibility**, ensuring that your devices communicate at optimal speeds. Plus, it supports **audio extraction**, which means you can enjoy high-quality sound through your speakers. Other key features include:
  • Easy Switching: Use the front-panel buttons or the included remote to switch between computers effortlessly.
  • Hot-Swap Capability: Connect and disconnect devices without needing to power down the switch.
  • Compact Design: Its sleek and compact design makes it easy to integrate into any workspace without taking up too much space.

Sleek Design Meets Functionality

Not only does the StarTech VS421HD4KA excel in functionality, but it also boasts a modern and sleek design that makes it a perfect addition to any tech setup. Its minimalist aesthetic ensures it fits seamlessly into your workspace without being an eyesore. The durable construction balances out style and practicality, providing reliability for everyday use. The clearly marked buttons and LED indicators allow for easy navigation, ensuring you won’t get lost when switching between devices.

Versatile Connectivity Options

The versatility of the StarTech VS421HD4KA is one of its most remarkable attributes. With support for multiple operating systems, including Windows, macOS, and Linux, this KVM switch can cater to a wide range of users. It features **multiple USB ports**, allowing you to connect keyboards, mice, and other peripherals effortlessly. The device also supports **EDID emulation**, which helps maintain display settings even when switching between computers. Whether you're gaming, working from home, or simply enjoying your favorite content, this KVM switch adapts to your needs seamlessly!

Note: This text was created with the help of AI.

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StarTech VS421HD4KA 4-Port HDMI Automatic Video Switch - 4K with Fast - StarTech.com

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4-Port HDMI Automatic Video Switch - 4K with Fast SwitchingSwitch between four HDMI sources on a single HDMI display, with 4K video resolution and fast switching for minimal disruption img style="max-width: 700px; width: 100%; margin: 0 auto; display: block;" src="https://www.comms-express.com/assets/images/1649089735VS421HD4KA-ov1.png" alt="" Create a powerful visual experience, with the ability to switch between four 4K video sources seamlessly. This 4-port HDMI switch lets you share a monitor, projector or TV with four Ultra High Definition video sources, and switch between them with minimal disruption. Impressive image quality with 4K supportThe video switch maintains Ultra HD 4K picture quality while switching between content from HDMI source devices - including Blu-ray players and DVD players, computer systems, video game consoles, digital cable and satellite boxes and A/V receivers. 4K support ensures a higher level of image clarity and visibility, delivering four times the reso
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