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header-product Multi Monitor Adapter StarTech.com MSTDP123DP

Multi Monitor Adapter StarTech.com MSTDP123DP

Multi Monitor Adapter StarTech.com MSTDP123DP Photo 1
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Multi Monitor Adapter StarTech.com MSTDP123DP Photo 1
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 2
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 3
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 4
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 5
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 6
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 7
Multi Monitor Adapter StarTech.com MSTDP123DP Photo 8
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Short description

The StarTech.com 3-Port Multi Monitor Adapter allows you to connect up to three monitors via DisplayPort. It supports dual 4K at 30Hz and one 1080p display, perfect for extended desktop mode on Windows PCs. With a compact design and a cable length of 0.19 m, it is easy to set up. The adapter is powered by a 5V output and is compatible with a wide range of input voltages (110-240V).
Warranty: 2 Years
SKU: 624689
Manufacturer: StarTech
Charging device included Charging device included
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Product information

Description

The StarTech.com MSTDP123DP Multi Monitor Adapter lets you connect up to three independent displays to a single DisplayPort 1.2 port on a Windows laptop or desktop. The compact adapter supports DisplayPort MST (Multi-Stream Transport) to extend or mirror your desktop across multiple monitors and is compatible with HDMI, DVI and VGA displays when used with appropriate passive or active adapters. The adapter is VESA and DisplayPort certified and is available in a compact black enclosure with a short integrated cable (0.19 m).

Advantages

This adapter enables multi-monitor configurations from a single DP 1.2 output, reducing the need for multiple video ports. It supports high-resolution outputs including Ultra HD 4K (at 30Hz) while minimizing system resource usage via MST technology. The MSTDP123DP is plug-and-play on Windows systems, compatible with a wide range of displays through standard video adapters, and is backed by a StarTech.com 3-year warranty and free lifetime technical support.

Suitable for

  • Extending a Windows desktop across up to three monitors for increased productivity
  • Mirroring a single image across multiple displays for signage or presentations
  • Connecting mixed display types (DisplayPort to HDMI/DVI/VGA) using compatible adapters
  • High-resolution workflows such as graphic design, medical imaging or content review (subject to bandwidth limits)

Key specifications

  • Model: StarTech.com MSTDP123DP
  • Input: DisplayPort 1.2
  • Output: Three independent DisplayPort streams (use adapters for HDMI/DVI/VGA)
  • MST bandwidth: 21.6 Gbps shared across all displays
  • Supported resolutions (examples): up to 3840x2160 @30Hz (per display depending on bandwidth allocation)
  • Cable length: 0.19 m (integrated)
  • Power: 5 V output; input voltage range 110-240 V
  • Color: Black
  • Weight: 0.099 kg
  • Warranty: 3 years

How to use

Connect the adapter’s DisplayPort plug to your computer’s DP 1.2 port, then attach your monitors using DisplayPort cables or DisplayPort-to-HDMI/DVI/VGA adapters as required. On Windows systems the adapter supports plug-and-play; configure display modes (extend or duplicate) in Display Settings. If your system has DisplayPort 1.1 instead of 1.2, the adapter will mirror the source across all displays rather than providing independent outputs. Monitor resolutions must be chosen so the total MST bandwidth (21.6 Gbps) is not exceeded.

Usage recommendations

Allocate bandwidth according to the listed average resolution percentages (for example, 1920x1080@60Hz ≈22%, 2560x1440@60Hz ≈35%, 3840x2160@30Hz ≈38%) and avoid configurations that total more than 100% to prevent reduced functionality. Some graphics adapters support only a total of three displays; connecting more than three monitors may disable the fourth.
All features
Video out:
3x DisplayPort
Video port type: The type of socket in the device for connecting a video e.g. SCART.
DisplayPort
Input current:
0.5
Housing material: What the casing of the product is made of.
Plastic
Video ports quantity: The number of ports (sockets) for video input or output.
3
Included power plug types:
AU, EU, NA, UK

Weight & dimensions

Package weight: Weight of the packaged product.
409 g
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.099 kg
Height: The measurement of the product from head to foot or from base to top.
20 mm
Depth: The distance from the front to the back of something.
386 mm
Width: The measurement or extent of something from side to side.
78 mm

Operational conditions

Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-20 - 70
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 45

System requirements

Windows operating systems supported: Windows vesions wich can be used with the device.
Windows 8.1 Enterprise, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Home Premium, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 7 Home Basic, Windows 8.1 x64, Windows 8.1 Pro x64, Windows 8.1 Pro, Windows 8.1 Enterprise x64, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic x64

Other features

Cable length: How long the cable is.
0.19 m
Manual:
Yes

Logistics data

Harmonized System (HS) code:
85176990
Products per master (outer) case:
10 pc(s)
Master (outer) case height:
230 mm
Master (outer) case length:
500 mm
Master (outer) case width:
340 mm

Packaging data

Package height: The distance from the top to the bottom of the packaging.
55 mm
Package depth: The distance from the front to the back of the packaging.
155 mm
Package width: The distance from one side of the packaging to the other.
229 mm

Technical details

AC adapter included:
Yes
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
RoHS

Power

Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
15 W
Output current:
3 A
Output voltage:
5
AC input voltage: The voltage of the AC electricity that is inputted into the product.
110 - 240

Features

Plug and Play: Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.
Yes

Design

Product colour: The colour e.g. red, blue, green, black, white.
Black

Performance

Certification:
ROHS

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for Multi Monitor Adapter StarTech.com MSTDP123DP?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.