Asus ROG Strix XG259CMS HDR400 gaming monitor with ELMB Sync and 310 Hz

The Taiwanese manufacturer Asus has introduced a new HDR400 gaming monitor, the ROG Strix XG259CMS, aimed at gamers. This 24.5-inch monitor features an IPS panel with Full HD 1080p resolution and supports a maximum refresh rate of 310 Hz.

Asus ROG Strix XG259CMS HDR400 gaming monitor with ELMB Sync and 310 Hz

To consistently reach over 300 fps in games, you’ll need robust gaming hardware and the willingness to lower the graphics settings, depending on the game.

The ROG Strix XG259CMS specs also state a 1 ms response time (G2G), 8-bit color depth, 400 cd/m² typical brightness, a 1000:1 contrast ratio, and a power consumption of less than 18.7 watts.

The 1080p Full HD model supports FreeSync Premium and G-Sync compatible Adaptive Sync, which can be used alongside an anti-blur feature, making it ELMB Sync capable. It also features Variable Overdrive 2.0, a black stabilizer, an FPS counter, and crosshair overlays.

In terms of connections, you can use DisplayPort 1.4 (Full HD at max. 310Hz), HDMI 2.0 (Full HD at max. 240 Hz), headphone output, and USB-C with DisplayPort alternate mode and 7.5 watts PD. The Asus monitor features ergonomic adjustments including tilt, rotation, height, and pivot, along with a VESA mount (100 x 100 mm). It also comes equipped with a blue light filter and a flicker-free backlight for added comfort. The stand has a slot in which you can place your smartphone.

The Asus ROG Strix XG259CMS, which is Display HDR 400 certified, commands attention with its lightweight design, tipping the scales at just 2.78 kg when detached from its stand. Moreover, this monitor ensures vibrant and accurate color portrayal, covering an impressive 110% of the sRGB color spectrum.

Price and availability

The Asus XG259CMS HDR400 gaming monitor is now available on for $299.99 and $317.99 on

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Asus has recently introduced the ROG Swift PG39WCDM, a 34-inch curved gaming monitor that boasts an impressive 800R curvature. Furthermore, this ultra-wide screen comes equipped with a 3440x1440p OLED panel that delivers vibrant visuals at a buttery smooth 240Hz refresh rate. Additionally, the monitor is capable of reaching up to 1300 nits of brightness and meets the VESA DisplayHDR True Black 400 standards for deep blacks and high contrast. Moreover, for those interested in acquiring this high-performance monitor, it is currently available on Newegg priced at $1,499.99.

Asus ROG Strix XG259CMS HDR400 gaming monitor with ELMB Sync and 310 Hz

Asus ROG Strix XG259CMS specifications

  • Display: 24.5-inch Fast VA panel, Non-Glare
  • Aspect Ratio: 16:9
  • Color Space: 110% (sRGB)
  • Resolution: (Full HD) 1080 x 1920
  • Display Viewing Area: 543.168 x 302.616 mm
  • Pixel Pitch: 0.2830mm
  • Brightness: 400 cd/㎡ (Typ.)
  • Contrast Ratio: 1000:1 (Typ.)
  • Viewing Angle (CR≧10): 178°/ 178°
  • Refresh Rate: 310Hz
  • Response Time: 1ms (GTG)
  • Display Colors: 16.7M
  • Features: Flicker free, HDR10, VESA DisplayHDR 400, GamePlus, Low Blue Light, HDCP 2.2, Game Visual, Adaptive-Sync, AMD FreeSync Premium, G-SYNC Compatible, Extreme Low Motion Blur, ELMB Sync, HDR Mode, Shadow Boost, DisplayWidget Center, Aspect Control, Kensington Lock
  • Ports: DisplayPort 1.4 x 1, HDMI (v2.1) x 1, USB-C x 1 (DP Alt Mode), Earphone jack
  • Stand: Tilt (+20° ~ -5°), Swivel (+45° ~ -45°), Pivot (+90° ~ -90°), Height Adj. (0~120mm), 1/4″ Tripod Socket
  • VESA Mount: 100x100mm
  • Dimensions: 55.8 x 49.2 x 21.8 cm (with stand)
  • Weight: 5.58 kg / 12.30 lbs (with stand)

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