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ShopSwitchers & SplittersStarTech.com 3-Port Multi Monitor Adapter - Mini DisplayPort to HDMI MST Hub - Triple 1080p or Dual 4K 30Hz - Video Splitter for Extended Desktop Mode on Windows Only - mDP 1.2 to 3x HDMI
StarTech.com 3-Port Multi Monitor Adapter - Mini DisplayPort to HDMI MST Hub - Triple 1080p or Dual 4K 30Hz - Video Splitter for Extended Desktop Mode on Windows Only - mDP 1.2 to 3x HDMI
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StarTech.com 3-Port Multi Monitor Adapter - Mini DisplayPort to HDMI MST Hub - Triple 1080p or Dual 4K 30Hz - Video Splitter for Extended Desktop Mode on Windows Only - mDP 1.2 to 3x HDMI

£33.43

£40.12 inc. VAT

Out of Stock(0)MPN: MSTMDP123HD
🚚 Next-day delivery £4.95
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Key Features

StarTech.com 3 Port Mini DisplayPort MST Hub
4K 30Hz
Mini DP to HDMI Video Splitter for Multiple Monitors
mDP to HDMI (MSTMDP123HD)
Video/audio splitter
3 x HDMI
desktop
AC 100/240 V

Product Overview

AI-generated summary

For £33.48 ex-VAT, this StarTech mini DisplayPort to HDMI MST hub is the sort of “get another screen working today” purchase that actually makes sense—especially if you’re on a Windows laptop/PC that supports multi-stream via mDP 1.2. In day-to-day admin/office use (spreadsheets, dashboards, ticketing systems), it’s a good value option because it avoids the cost and hassle of upgrading the whole docking setup just to add another display. I’d call it a budget-friendly win for small offices, contractors, and anyone standardising a simple multi-monitor workflow.

That said, there are a few reasons to be cautious. First, it’s Windows-only, so it’s a non-starter for mixed environments or anyone needing macOS/Linux support. Second, multi-monitor MST hubs can be finicky depending on the laptop model, GPU, and driver behavior—so if you’re rolling this out broadly, test with your actual device fleet (or at least the same model line). If you need rock-solid, “no drama” mirroring/extended desktops at higher resolutions and refresh rates, you may find a proper docking station that handles multi-display more gracefully is worth the extra spend.

**Who should buy:** small business users on Windows who have a mini DisplayPort output and need triple 1080p (or a sensible dual-4K setup) on the cheap. **Who shouldn’t:** teams buying for macOS/Linux, or anyone who can’t tolerate occasional quirks with external display detection and scaling.

Specifications

Ports & interfaces

Video port typeMini DisplayPort
Video out3x HDMI
Video ports quantity3

Features

Product colourBlack
Housing materialPlastic
Maximum resolution3840 x 2160 pixels
HD type4K Ultra HD
Maximum refresh rate30 Hz

Power

AC input voltage100 - 240 V
Input current0.5 A
Output voltage5 V
Output current3 A
Power consumption (typical)15 W

Weight & dimensions

Width66 mm
Depth114 mm
Height14 mm
Weight120 g

Packaging data

Package width151 mm
Package depth240 mm
Package height63 mm
Package weight514 g

Packaging content

ManualY
AC adapter includedY
Included power plug typesAU,EU,NA,UK

Operational conditions

Operating temperature (T-T)0 - 45 °C
Storage temperature (T-T)-20 - 70 °C
Operating relative humidity (H-H)50 - 90 %

Technical details

Compliance certificatesRoHS

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