# Multi Monitor Adapter StarTech.com MSTMDP123HD

**URL:** https://aio.lv/en/product--startech-mstmdp123hd--499507
**Data updated:** 2025-12-28 21:25 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** StarTech
**Manufacturer code:** MSTMDP123HD
**EAN:** 065030861519
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 60.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 49.99 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-mstmdp123hd--499507

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The StarTech.com 3-Port Multi Monitor Adapter allows you to connect up to three HDMI displays to a single Mini DisplayPort output. It supports resolutions up to 3840 x 2160 pixels at 30Hz for dual 4K or triple 1080p setups. Ideal for extended desktop mode on Windows, this adapter is made of durable plastic and features a compact design. Input voltage ranges from 100 to 240V, making it versatile for various setups.

## Long description

The StarTech.com MSTMDP123HD Multi Monitor Adapter connects up to three HDMI displays to a single Mini DisplayPort (mDP) 1.2 output. It enables multi-monitor setups on Windows devices that support DisplayPort 1.2, and functions as a video splitter on earlier DP revisions. The compact, black plastic adapter supports high-resolution output for both extended and mirrored desktop configurations and is powered from a 100–240V supply.
Advantages
This MST hub lets you drive three independent HDMI monitors from one mDP 1.2 port, improving multitasking and productivity by extending your desktop or mirroring content. It leverages the host video card to deliver high-definition output while minimizing system resource use. The adapter supports Ultra HD 4K (3840 x 2160 at 30Hz) and full HD 1080p resolutions, is lightweight (0.12 kg) and compact for easy integration into portable workstation setups, and includes a 3-year manufacturer warranty with lifetime technical support.
Suitable for
Expanding a laptop workstation to multiple displays for productivity and multitasking
Graphic design, photo editing and medical imaging workflows requiring high-resolution output
Digital signage or remote-viewing setups that require mirrored displays
Hot-desk docking solutions paired with wireless keyboard and mouse peripherals
Key specifications
Model: StarTech.com MSTMDP123HD
Input: Mini DisplayPort (mDP) 1.2
Outputs: 3 × HDMI
Maximum resolution: up to 3840 x 2160 @ 30Hz (dual 4K) or triple 1080p
Compatibility: Windows devices that support DisplayPort 1.2; acts as splitter on DP 1.1
Power: 100–240V input
Weight: 0.12 kg
Colour: Black
Warranty: 3 years, with free lifetime technical support
How to use
Connect the MSTMDP123HD to the Mini DisplayPort output on your computer. Attach up to three HDMI monitors to the adapter outputs. On systems with DisplayPort 1.2 support, configure the displays in Windows display settings to use extended or independent desktops; on earlier DP revisions the adapter will mirror the same image across outputs. Ensure the adapter is connected to a suitable power source if required by your setup and confirm display resolutions and refresh rates in your graphics control panel.
Usage recommendations
For best results use on Windows systems with native DisplayPort 1.2 support to enable independent displays. When targeting 4K output, verify that connected monitors and HDMI cables support 4K@30Hz and check GPU capability to drive multiple high-resolution screens.

## Specifications

| Feature | Value |
|---|---|
| Power consumption (typical) | 15 W |
| Video port type | Mini DisplayPort |
| Output current | 3 A |
| Video ports quantity | 3 |
| AC input voltage | 100 - 240 |
| HD type | 4K Ultra HD |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 220 mm |
| Master (outer) case width | 335 mm |
| Master (outer) case length | 500 mm |
| Products per master (outer) case | 10 pc(s) |
| Harmonized System (HS) code | 85176990 |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 50 - 90 |
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | 0 - 45 |

### Performance

| Feature | Value |
|---|---|
| Output voltage | 5 |

### Power

| Feature | Value |
|---|---|
| Input current | 0.5 |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, FCC, REACH |

### Features

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Maximum resolution | 3840 x 2160 |
| Product colour | Black |
| Supported graphics resolutions | 1024 x 768 (XGA), 1280 x 720 (HD 720), 3840 x 2160, 2560 x 1600 (WQXGA), 1920 x 1200 (WUXGA), 1920 x 1080 (HD 1080) |
| Supported video modes | 720p, 1080p |
| Maximum refresh rate | 30 Hz |
| Windows operating systems supported | Windows 7 Starter x64, Windows 8.1, Windows 8 x64, Windows 8 Pro x64, Windows 8 Pro, Windows 8 Enterprise x64, Windows 8 Enterprise, Windows 8, Windows 7 x64, Windows 7 Ultimate x64, Windows 7 Ultimate, Windows 8.1 Pro, Windows 7 Starter, Windows 7 Professional x64, Windows 7 Professional, Windows 7 Home Premium x64, Windows 7 Home Premium, Windows 7 Home Basic x64, Windows 7 Home Basic, Windows 8.1 Enterprise, Windows 8.1 x64, Windows 8.1 Pro x64, Windows 7, Windows 8.1 Enterprise x64, Windows 10 Education x64, Windows 7 Enterprise, Windows 10 x64, Windows 10 Pro x64, Windows 10 Pro, Windows 10 IOT Core, Windows 10 Home x64, Windows 10 Home, Windows 10 Enterprise x64, Windows 10 Enterprise, Windows 7 Enterprise x64, Windows 10 Education, Windows 10 |

### Other features

| Feature | Value |
|---|---|
| Video out | 3x HDMI |

### Packaging content

| Feature | Value |
|---|---|
| AC adapter included | Yes |
| Manual | Yes |
| Included power plug types | UK, NA, EU, AU |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 514 g |
| Package depth | 240 mm |
| Package height | 63 mm |
| Package width | 151 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.12 kg |
| Height | 14 mm |
| Width | 66 mm |
| Depth | 114 mm |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

### Technical details

| Feature | Value |
|---|---|
| Housing material | Plastic |

## FAQ

### How much does the Multi Monitor Adapter StarTech.com MSTMDP123HD cost, and is it available for purchase?

The price is 60.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Multi Monitor Adapter StarTech.com MSTMDP123HD?

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.

## Image

https://aio.lv/img/cache/product/499507/56570797_large.webp