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ASUS ROG STRIX XG438Q

Global manufacturer specification

Screen diagonal
43 in
Native resolution
3840x2160
Maximum refresh rate
120 Hz

ROG STRIX XG438Q monitor, identified in the ASUS Global catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

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THE ACTUAL PRODUCT
ASUS ROG STRIX XG438Q official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS ROG Strix XG43UQ Xbox Edition
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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Key strengths

Published monitor interfaces and configuration are available from the exact-model ASUS specification source.

Manufacturer source
The checks that matter.

Before you buy

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.

Manufacturer source
Every specification. With its source.

Full specifications

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Exact configuration: Global manufacturer specification · ROG STRIX XG438Q

15 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Screen & panel

4 items
Screen diagonal
43 inSource
Native resolution
3840x2160Source
Panel technology
VASource
Aspect ratio
16:9Source

Refresh & response

3 items
Maximum refresh rate
120 Hz

Manufacturer-listed maximum; input-specific signal-frequency restrictions, overclocking and source/cable requirements remain as shown in the specifications. Digital Signal Frequency : DisplayPort：275 ~275 KHz (H) /48 ~120 Hz(V) HDMI : 30 ~135 KHz (H) /48 ~60 Hz(V)

Source
Response-time claim
4ms(GTG)Source
Input-specific signal modes
Digital Signal Frequency: DisplayPort：275 ~275 KHz (H) /48 ~120 Hz(V) HDMI: 30 ~135 KHz (H) /48 ~60 Hz(V)Source

Colour, brightness & HDR

3 items
Declared typical brightness
450 cd/m²

Manufacturer typical claim; not measured luminance or HDR peak. Original: 450cd/㎡

Source
Contrast-ratio claim
4000:1Source
Display colours
1073.7M (10 bit)Source

Inputs & connections

1 item
Inputs and versions
DisplayPort 1.4x 1 HDMI (v2.0)x 3 Earphone jack: Yes USB Hub: 2x USB 3.2 Gen 1 Type-A USB 3.0 (Signal)x 1Source

Stand & mounting

2 items
Height adjustment
NoSource
Stand and mounting details
Tilt: Yes (+10° ~ -5°) Height Adjustment: No VESA Wall Mounting: 100x100mm Lighting effect (Aura): Aura Sync Kensington Lock: YesSource

Size, weight & build

1 item
Dimensions with supplied configuration
Phys. Dimension without Stand (W x H x D): 97.46 x 57.06 x 7.46 cm (38.37" x 22.46" x 2.94")

Manufacturer estimated dimensions; original ordering, units and regional qualifications retained. See source for stand configuration.

Source

Audio

1 item
Audio and speaker specification
Speaker:Yes(10Wx2)Source
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