overview G-SYNC 240Hz Frame Rate and 1ms Shadow Control Game Mode Game Color Low Blue Mode Adjust Stand Specifications


The AOC AGON AG251FG is a 24.5" premium gaming monitor that offers intense on-screen action without tearing, stuttering or motion-blur, thanks to a 240Hz refresh rate, NVIDIA G-Sync and a 1ms response time. 


Groundbreaking display technology that delivers the smoothest gaming experience ever by eliminating screen tearing and minimizing display stutter and input lag. Scenes appear instantly, objects look sharper, and gameplay is super smooth.

240Hz Refresh Rate and 1ms Response Time

Ultra-fast 240Hz refresh rate and 1ms response time enable the sharpest responses.

240Hz 60Hz

Shadow Control

AOC Shadow Control enables fast adjustment of the in-game image to improve areas of the screen that are too dark or washed out, without affecting the rest of the screen.

Game Mode

AOC’s Game Mode Pad allows lightning-fast changes to image settings & game presets right at your fingertips. No more fiddling with slow menus, just one press & you’re back in the game.


Game Color

With AOC Game Color, adjust color saturation and grey level with 200 levels of detail for a better game experience.

Low Blue Mode

Long exposure to short wavelength blue light may cause eye strain, sleep disorders, or headaches. AOC Low Blue Mode puts the user first by reducing the screen’s short wavelength blue light emission without sacrificing color accuracy. Also provides four different filtering modes – reading, web browsing, multimedia, and office.

Low Blue Mode OFF Low Blue Mode ON

The fully adjustable stand allows convenient adjustment of the screen's height and angle. Match the screen's position to your chair position, height, and line of sight for a comfortable playing experience.

Specifications & Download

  • Resolution 1920 x 1080
  • Screen Size 24.5"
  • Smart Response 1ms (GtG)
  • Contrast Ratio 1000 : 1
  • Viewing Angle (H/V) 170° (H) / 160° (V)
Model Name AG251FG
Panel Size 24.5"
Pixel Pitch (mm) 0.2832 (H) x 0.2802 (V)
Effective Viewing Area (mm) 543.744 (H) x 302.616 (V)
Brightness (typical) 400 cd/m²
Contrast Ratio 1000 : 1 (typical)
Smart Response 1ms (GtG)
Viewing Angle 170° (H) / 160° (V)
Scanning Frequency 30K ~ 280KHz (H) / 30 ~ 240Hz (V) – DisplayPort 1.2
30K ~ 90KHz (H) / 24 ~ 60Hz (V) – HDMI 1.4
Optimum Resolution 1920 x 1080 @ 60Hz – HDMI 1.4
1920 x 1080 @ 240Hz – DisplayPort 1.2
Display Colors 16.7 Million
Signal Input HDMI 1.4 / DisplayPort
Power Supply 20V DC, 3.25A
Smart Power Mode: Typical 30W
Built-in Speakers 2W x 2
Regulatory Approvals FCC / CE / CB / KCC / KC / VCCI / e-Standby / BSMI / J-Moss / RCM
Wall-Mount 100mm x 100mm
Cabinet Color Black & Red
Adjustable Stand -3.5° ~ 21.5
Product with Stand (mm) 415 ~ 545.21 (H) x 566.65 (W) x 218.2 (D)
Packaging (mm) 655 (H) x 250 (W) x 420 (D)
Weight (Net/Gross) kg 6.4 kg / 8.6 kg