# MSI MAG 321UPDE QD-OLED Gaming Monitor 31.5-inch 4K Ultra HD 3840 x 2160 165Hz

**URL:** https://aio.lv/en/product--msi-9s6-3dd39t-025--11431743
**Data updated:** 2026-06-12 15:53 (EEST)
**Category:** Monitors
**Manufacturer:** MSI
**Manufacturer code:** 9S6-3DD39T-025
**EAN:** 4711377293488
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 745.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 616.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-9s6-3dd39t-025--11431743

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 8.77 EUR |

## Summary description

The MSI MAG 321UPDE is a 31.5-inch QD-OLED gaming monitor featuring 4K Ultra HD resolution (3840 x 2160). It offers a 1ms response time, 165Hz refresh rate, and AMD FreeSync Premium Pro support for smooth visuals. With a 1500000:1 contrast ratio and 178-degree viewing angles, it provides exceptional image quality. The monitor includes VESA mounting and height adjustment for ergonomic setup, making it ideal for high-performance gaming and professional tasks.

## Long description

The MSI MAG 321UPDE is a high-performance 31.5-inch gaming monitor that utilizes advanced QD-OLED display technology to deliver exceptional visual fidelity. With a 4K Ultra HD resolution of 3840 x 2160 pixels, this monitor provides sharp, detailed imagery suitable for both competitive gaming and professional creative workflows. The flat screen design combined with a high contrast ratio ensures deep blacks and vibrant colors, while the 165Hz refresh rate and 1ms response time offer fluid motion for fast-paced action.
Advantages
This monitor stands out due to its superior QD-OLED panel, which provides significantly better color accuracy and contrast compared to traditional display technologies. The integration of AMD FreeSync Premium Pro technology ensures that screen tearing and stuttering are minimized, providing a seamless gaming experience. Furthermore, the inclusion of an ergonomic stand with height adjustment allows users to customize their viewing position for long-term comfort. The monitor is also designed with longevity in mind, featuring specialized care technologies to maintain panel health over extended periods of use.
Suitable for
Competitive and immersive PC gaming
Console gaming via HDMI 2.1 connectivity
Professional photo and video editing
High-resolution media consumption
This monitor may not be the optimal choice for users working primarily in environments with extremely high ambient light, as the peak brightness levels are optimized for color accuracy and contrast rather than outdoor visibility. Additionally, those who require a built-in speaker system will need to connect external audio devices, as this model does not include integrated speakers.
Key specifications
Display diagonal: 31.5 inches
Resolution: 3840 x 2160 (4K Ultra HD)
Panel technology: QD-OLED
Refresh rate: 165Hz
Response time: 1ms
Contrast ratio: 1500000:1
Connectivity: HDMI 2.1, DisplayPort 1.4a, USB Type-C
Mounting: VESA compatible
Adjustability: Height-adjustable stand
To begin using the monitor, connect it to your PC or console using a high-quality HDMI 2.1 or DisplayPort 1.4a cable to ensure full support for 4K resolution and high refresh rates. Once connected, access the on-screen display menu to calibrate color settings and enable features like FreeSync. Ensure the monitor is placed on a stable surface or mounted using a VESA-compatible arm to take advantage of the ergonomic height adjustment features.
What to consider before purchase
Ensure your graphics card supports the required resolution and refresh rate via DisplayPort or HDMI.
Verify that your desk space can accommodate a 31.5-inch flat display.
Consider the need for external audio solutions as this monitor lacks built-in speakers.
Check your power supply availability for the energy efficiency class G rating.
Usage recommendations: To maintain the longevity of the QD-OLED panel, it is recommended to utilize the built-in screen protection features and avoid displaying static images at maximum brightness for extended periods.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 31.5 " |
| Display technology | QD-OLED |
| HD type | 4K Ultra HD |
| Display resolution | 3840 x 2160 |
| Pixel pitch | 0.181 x 0.181 |
| Response time | 1 ms |
| Contrast ratio (typical) | 1500000:1 |
| Display brightness (typical) | 250 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Horizontal scan range | 30 - 390 |
| Native aspect ratio | 16:9 |
| Vertical scan range | 48 - 165 |
| Colour gamut | 110.1 % |
| Display number of colours | 1.07 billion colours |
| Touchscreen | No |
| Anti-glare screen | Yes |
| Colour gamut standard | DCI-P3 |

### Design

| Feature | Value |
|---|---|
| Screen shape | Flat |
| Product colour | Black |
| Panel mounting interface | 100 x 100 |
| Market positioning | Gaming |
| Frameless design | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| USB Type-C downstream ports quantity | 1 |
| Headphone out | Yes |
| Built-in USB hub | No |
| HDMI version | 2.1 |
| HDMI | Yes |
| DisplayPort version | 1.4a |
| USB Type-C DisplayPort Alternate Mode | Yes |

### Ergonomics

| Feature | Value |
|---|---|
| Swivel angle range | 30 - 30 |
| Tilt adjustment | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |
| Adjustable height (max) | 110 mm |

### Audio

| Feature | Value |
|---|---|
| Built-in speaker(s) | No |

### Performance

| Feature | Value |
|---|---|
| sRGB coverage (typical) | 138.2 % |
| NVIDIA G-SYNC | No |
| AMD FreeSync | No |

### Multimedia

| Feature | Value |
|---|---|
| Built-in camera | No |

### Other features

| Feature | Value |
|---|---|
| Headphone outputs | 1 |
| Maximum refresh rate | 165 Hz |
| Viewable size, vertical | 394.73 mm |
| Power supply type | Internal |
| Viewable size, horizontal | 699.48 mm |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Tilt angle range | -5 - 15 |
| Pivot | Yes |
| Swivelling | Yes |
| Pivot angle | -10 - 10 |
| Weight (without stand) | 6400 g |
| Height (without stand) | 419 mm |
| Depth (without stand) | 72 mm |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 33 kWh |
| Energy consumption (HDR) per 1000 hours | 50 kWh |
| Power consumption (off) | 0.3 W |
| Power consumption (standby) | 0.5 W |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |
| Energy efficiency scale | A to G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width (with stand) | 717 mm |
| Height (with stand) | 457 mm |
| Depth (with stand) | 242 mm |
| Width (without stand) | 717 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 200 mm |
| Package height | 538 mm |
| Package width | 990 mm |

## FAQ

### How much does the MSI MAG 321UPDE QD-OLED 31.5-inch 4K Gaming Monitor cost, and is it available for purchase?

The price is 745.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 48 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 09.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can MSI MAG 321UPDE QD-OLED 31.5-inch 4K Gaming Monitor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 MSI 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 MSI 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: display diagonal, display resolution, hd type, display technology, pixel pitch, response time, contrast ratio (typical), display brightness (typical), screen shape, usb type-c downstream ports quantity, built-in usb hub, vesa mounting, built-in speaker(s), energy efficiency class (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, energy consumption (hdr) per 1000 hours, 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 MSI MAG 321UPDE QD-OLED 31.5-inch 4K Gaming Monitor?

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/11431743/68874975_large.webp