# Monitor Acer Predator XB323QKV4BMIIPRX 31.5" 4K UHD IPS 3840x2160 0.5 ms VESA Height-adjustable Black

**URL:** https://aio.lv/en/product--acer-umjx3ee401--11555492
**Data updated:** 2026-04-03 16:29 (EEST)
**Category:** Monitors
**Manufacturer:** Acer
**Manufacturer code:** UM.JX3EE.401
**EAN:** 4711474399151
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 383.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 317.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--acer-umjx3ee401--11555492

## 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 | 9.25 EUR |

## Summary description

Acer Predator XB323QKV4BMIIPRX is a 31.5" 4K Ultra HD (3840×2160) IPS monitor designed for gaming and professional use. It features a 0.5 ms response time, 16:9 native aspect ratio, 178°/178° viewing angles, 250 cd/m² brightness, 1000:1 contrast, built-in speakers, VESA mount and height adjustment. Suitable for high-resolution gaming, content creation and multitasking.

## Long description

The Acer Predator XB323QKV4BMIIPRX is a 31.5" 4K Ultra HD (3840×2160) IPS monitor designed for demanding gaming and professional workflows. The display combines a high pixel density with an IPS panel and wide 178° viewing angles to deliver consistent colours and sharp detail across the screen. A 0.5 ms response time and support for high refresh rates enable fast on-screen motion with reduced blur, while built-in speakers and VESA mounting provide flexible installation options. The monitor features height adjustability to position the screen ergonomically for long sessions.
Advantages
The panel’s 4K resolution and IPS technology provide accurate colour reproduction and a wide viewing cone ideal for content creation and collaborative work. A 0.5 ms response time and display processing tuned for gaming reduce ghosting and motion artifacts, helping to maintain clarity during fast action. Height adjustment and VESA compatibility make it simple to integrate the monitor into different desk setups. Integrated speakers remove the need for immediate external audio, and the flat screen shape supports consistent image geometry for productivity tasks.
Suitable for
 High-resolution gaming and esports where fast response and detail matter
 Photo and video editing that requires accurate colours and a large workspace
 Multitasking and office productivity with multiple windows and detailed spreadsheets
 Home entertainment and media consumption with built-in audio
Key specifications
 Display diagonal: 31.5 inches
 Resolution: 3840 × 2160 (4K Ultra HD)
 Panel type: IPS with 178°/178° viewing angles
 Pixel pitch: 0.182 × 0.182 mm
 Response time: 0.5 ms
 Brightness (typical): 250 cd/m²
 Contrast ratio (typical): 1000:1
 Screen shape: Flat
 VESA mounting: Yes
 Built-in speakers: Yes
 Colour: Black
 Energy efficiency class (SDR / HDR): F / G
 Energy consumption (per 1000 h SDR / HDR): 32 kWh / 34 kWh
How to use
Place the monitor on a stable desk surface or mount it using a compatible VESA arm. Connect a video source via DisplayPort or HDMI for 4K output and select the appropriate resolution and refresh rate in your operating system or graphics driver. Adjust the height to align the centre of the screen with eye level to reduce neck strain. Use the on-screen display to fine-tune brightness, contrast and colour settings for your workflow or gaming preferences.
Usage recommendations
For optimal visual performance, use a high-quality DisplayPort cable and ensure your graphics card supports 4K at your desired refresh rate. Calibrate colours with software or a hardware calibrator when accurate colour is required. Allow for adequate ventilation around the monitor and avoid exposing the screen to direct sunlight to maintain panel longevity.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 31.5 " |
| HD type | 4K Ultra HD |
| Panel type | IPS |
| Display resolution | 3840 x 2160 |
| Pixel pitch | 0.182 x 0.182 |
| Response time | 0.5 ms |
| Contrast ratio (typical) | 1000:1 |
| Display brightness (typical) | 250 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Horizontal scan range | 360 - 360 |
| Contrast ratio (dynamic) | 100000000:1 |
| Native aspect ratio | 16:9 |
| Vertical scan range | 48 - 160 |
| Pixel density | 140 ppi |
| Display number of colours | 16.7 million colours |
| Touchscreen | No |
| Colour depth | 8 bit |
| High Dynamic Range (HDR) supported | Yes |
| DCI-P3 coverage | 95 % |
| Colour gamut standard | DCI-P3 |
| Response time (MPRT) | 1 ms |

### Design

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

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| HDMI version | 2.1 |
| HDMI | Yes |
| DisplayPort out version | 1.4 |

### Ergonomics

| Feature | Value |
|---|---|
| Swivel angle range | -20 - 20 |
| Tilt adjustment | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |
| Adjustable height (max) | 150 mm |

### Audio

| Feature | Value |
|---|---|
| Built-in speaker(s) | Yes |

### Performance

| Feature | Value |
|---|---|
| Flicker-free technology | Yes |

### Multimedia

| Feature | Value |
|---|---|
| RMS rated power | 4 W |
| Built-in camera | No |
| Number of speakers | 2 |

### Other features

| Feature | Value |
|---|---|
| Audio output | Yes |
| Built-in microphone | No |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Tilt angle range | -5 - 25 |
| Pivot | Yes |
| Swivelling | Yes |
| Pivot angle | -90 - 90 |
| Weight (without stand) | 5840 g |
| Height (without stand) | 427.8 mm |
| Depth (without stand) | 69.4 mm |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 32 kWh |
| Energy consumption (HDR) per 1000 hours | 34 kWh |
| Power consumption (standby) | 0.5 W |
| Energy efficiency scale | A to G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight (with stand) | 8320 g |
| Width (with stand) | 715.7 mm |
| Height (with stand) | 482 mm |
| Depth (with stand) | 274.4 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 11000 g |
| Package depth | 160 mm |
| Package height | 515 mm |

## FAQ

### How much does the Acer Predator XB323QKV4BMIIPRX 31.5" 4K IPS monitor cost, and is it available for purchase?

The price is 383.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 663 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. All transactions are 100% secure and encrypted.

### Can Acer Predator XB323QKV4BMIIPRX 31.5" 4K IPS 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 Acer 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 Acer 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, panel type, pixel pitch, response time, contrast ratio (typical), display brightness (typical), screen shape, 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 Acer Predator XB323QKV4BMIIPRX 31.5" 4K IPS 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/11555492/68156108_large.webp

