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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Based on a total of 7,140 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 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.
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.
Based on a total of 45 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 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.
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.
Based on a total of 42 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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£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.
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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