Alienware 320hz gaming monitor

Resolution 1920 x 1080 Adaptive Sync NVIDIA® G-SYNC® Compatible AMD FreeSync™ Premium VESA AdaptiveSync Response Time 0.5ms GTG Ports 2 HDMI ports (HDCP 1.4 & 2.3) (Supports up to FHD 1920 x 1080, 255 Hz, TMDS, HDR, VRR as per specified in HDMI 2.1) 1 DisplayPort 1.4 (HDCP 1.4 & 2.3) port (Supports up to FHD 1920 x 1080, 320 Hz, HDR) 1 USB 5Gbps Type-B upstream port 1 USB 5Gbps Type-A downstream port 1 USB 5Gbps Type-A downstream port with BC1.2 power charging used for 2 month its still brand new