Question 1

Can I actually run this monitor at 320Hz at 1440p, and what do I need to do to get there?

Accepted Answer

Yes—320Hz is supported in appropriate modes. To reach high refresh, use a capable DP 1.4 connection or USB-C with DisplayPort Alt Mode, enable the overclock option, and ensure your GPU and game can sustain high frame rates. Real-world results depend on your system and the titles you play.

Question 2

Is the USB-C port good for charging a laptop or only for display/data?

Accepted Answer

The USB-C port handles display and data, but charging depends on your device. It may provide power for some laptops, but you shouldn’t rely on it as a primary charger—use a dedicated power source if you need reliable charging.

Question 3

How adjustable is the stand, and can I mount it on a desk arm or wall mount?

Accepted Answer

The stand supports height, tilt, and swivel adjustments, and it includes a tripod socket for versatile mounting. It’s compatible with VESA mounts if you want a more robust setup.

Question 4

Does it have built-in speakers, and how good is HDR in real use?

Accepted Answer

No, this model doesn’t have built-in speakers. HDR performance is solid for a 27" QHD panel with ELMB/G-SYNC features, but it’s not OLED-bright. Calibration and room lighting affect how vivid HDR looks, and there isn’t true local dimming.

Question 5

How does ELMB Sync interact with G-SYNC, and is enabling it worth it?

Accepted Answer

ELMB Sync reduces motion blur and can improve clarity in fast action. However, it can conflict with VRR/G-SYNC in some setups, potentially causing stutter or flicker. It’s worth testing in your favorite games to decide if the motion clarity benefits outweigh the occasional interaction quirks. If you rely on frequent VRR, you may prefer using ELMB Sync selectively.

ASUS ROG Strix 27” 1440P USB-C HDR Gaming Monitor (XG27ACMS) – QHD (2560 x 1440), 320Hz, 0.3ms, Fast IPS, Extreme Low Motion Blur Sync, G-SYNC Compatible, DisplayWidget, Tripod Socket, 3 yr Warranty

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