Panel Size (inch): 27, Aspect Ratio: 16:9, Panel Type: IPS, Panel Backlight: LED, True Resolution: 2560x1440, Response Time: 1ms(GTG), Display Colors: 16.7M, Flicker free: Yes, HDR (High Dynamic Range) Support: HDR10, Refresh Rate (max): 240Hz, Trace Free Technology: Yes, GamePlus: Yes, VRR Technology: G-SYNC®, Earphone jack: Yes, USB Hub: Yes(2 ports USB 3.1), Lighting effect (Aura): Aura Sync, Warranty: 03 Years ROG Swift PG279QM is the perfect gaming monitor fast-paced action games. This QHD display features a Fast IPS panel with up to a 240 Hz refresh rate, 1 ms gray-to-gray (GTG) response time