StarTech.com ST122HD4KU 4K HDMI 2-Port Video Splitter – USB Powered – 3840×2160 30Hz – Black
£50.93 inc VAT
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About This Item
- Two HDMI output ports
- Supports up to 4K (3840 x 2160) resolution at 30Hz
- HDMI 1.4 version with audio support
- Multiple power options: USB powered or AC adapter (included)
- Compact black design, 50mm width, 18mm height
- Includes USB cable and AC power plugs for AU, EU, NA, UK regions
- RoHS, REACH, FCC, CE certified
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StarTech.com ST122HD4KU – Effortless Display Duplication
We offer the StarTech.com ST122HD4KU 4K HDMI 2-Port Video Splitter – USB Powered – 3840×2160 30Hz – Black for users needing to send a single HDMI source to two displays simultaneously. This splitter is ideal for presentations, digital signage, or even home entertainment setups. It delivers crisp 4K resolution at 30Hz, ensuring your content looks its best.
Core specifications
| Metric | Spec. |
|---|---|
| Maximum Resolution | 3840 x 2160 pixels |
| HDMI Version | 1.4 |
| Refresh Rate | 30 Hz |
| Input Current | 0.5 A |
| Output Voltage | 5 V |
Connect Two Displays from One Source
This splitter allows you to duplicate your HDMI signal. You can connect a single HDMI device, such as a Blu-ray player or computer. The signal then goes to two separate HDMI displays instantly. This is perfect for showing the same content in two different rooms or on two monitors.
Superb 4K Visuals
Experience stunning picture quality with 4K resolution support. This provides four times the detail of 1080p. The splitter handles resolutions up to 3840 x 2160 pixels at 30Hz. Your videos and images will appear sharp and vibrant on compatible displays.
Flexible Power Options
Powering this splitter is straightforward. You can use the included USB cable for convenience. Alternatively, a power adapter is also supplied for standard wall outlet use. This flexibility makes setup easier in various environments.
Wide Compatibility
The ST122HD4KU supports a range of resolutions. This includes 1080p, 720p, and even WUXGA. It also supports 3D content. This ensures compatibility with many existing devices. You can connect everything from older gaming consoles to modern media players.
What’s in the box
- HDMI 2-port video splitter
- USB power cable
- AC power adapter (with AU, EU, NA, UK plugs)
- Instruction manual
Before you order
- Confirm your source device has an HDMI output.
- Confirm your displays have HDMI inputs.
- Confirm your displays support 4K resolution for optimal viewing.
Frequently Asked Questions
Q: Can I extend my desktop across two screens with this?
A: No, this splitter duplicates the same image on both screens.
Q: Does it come with HDMI cables for connecting to displays?
A: No, you will need to supply your own HDMI output cables.
Q: Will this work with a PlayStation 5 or Xbox Series X?
A: This splitter supports 4K at 30Hz. Newer consoles often output 4K at 60Hz or higher.
Q: Can I connect a DVI source using an adapter?
A: We recommend using HDMI sources directly for best compatibility.
Q: Is audio supported through the HDMI connection?
A: Yes, this splitter fully supports audio pass-through via HDMI.
Our verdict
This splitter is an excellent choice for duplicating a single HDMI source. It offers reliable 4K 30Hz performance and flexible power options. We especially recommend it for digital signage or basic dual-display setups. Warranty cover varies by product, so please contact us to confirm.
| Ports & interfaces | |
|---|---|
| Video ports quantity | 2 |
| Video port type | HDMI |
| Video out | 2x HDMI |
| HDMI version | 1.4 |
| DC-in jack | Yes |
| Ethernet LAN | No |
| Features | |
| 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) |
| Maximum resolution | 3840 x 2160 pixels |
| Full HD | Yes |
| Product colour | Black |
| Certification | REACH, FCC, CE |
| Network | |
| Ethernet LAN | No |
| Power | |
| Input current | 0.5 A |
| Output current | 2 A |
| USB powered | Yes |
| Output voltage | 5 V |
| AC input voltage | 100-240 V |
| Weight & dimensions | |
| Weight | 235 g |
| Width | 50 mm |
| Depth | 620 mm |
| Height | 18 mm |
| Package weight | 396 g |
| Package depth | 155 mm |
| Package width | 218 mm |
| Package height | 56 mm |
| Packaging data | |
| Package weight | 396 g |
| Package depth | 155 mm |
| Package width | 218 mm |
| Package height | 56 mm |
| Packaging content | |
| AC adapter included | Yes |
| Included power plug types | AU, EU, NA, UK |
| Manual | Yes |
| Cables included | USB |
| Video | |
| 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) |
| Maximum resolution | 3840 x 2160 pixels |
| Full HD | Yes |
| Colour | |
| Product colour | Black |
| Certificates | |
| Certification | REACH, FCC, CE |
| Technical details | |
| Package width | 218 mm |
| Package height | 56 mm |
| Video out | 2x HDMI |
| HDMI version | 1.4 |
| Audio support | Yes |
| Compliance certificates | RoHS |
| Logistics data | |
| Master (outer) case width | 472 mm |
| Master (outer) case length | 327 mm |
| Master (outer) case height | 318 mm |
| Products per master (outer) case | 20 pc(s) |
| Harmonized System (HS) code | 85176990 |
| Identifiers | |
| Distributor SKUs | V209112, V933218, 94709, 4428240, 10034981, 233811, CLST122HD4KU |
| Additional EANs | 0793518362424 |
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