BenQ EL2870U 28" 3840 x 2160 4K 60Hz 1ms 2x HDMI DisplayPort AMD FreeSync Built in Speakers HDCP Support LED Backlit Monitor 1 Year Warranty Refurbished (B Grade) 3 GHz CPU Max Speed: Mouse 3 GHz CPU Max Speed: 5 GHz CPU Core: Quad core Processor Memory Installed Memory: 16 GB Memory Speed: Storage Drive Storage Type: SSD Hard Drive Capacity: 0 SSD Capacity: 512 GB Optical Drive: Yes Graphics GPU: Intel Iris Xe Graphics Graphics Memory: Shared Memory Graphics Type: Integrated Graphics Display Screen Size: 15 General Condition Refurbished Brand DELL Model P2317HF MPN P2317HF Color Black Manufacture Date Display Screen Size 23" Touchscreen No Native Resolution 1920 x 1080 Panel Type IPS LED backlit Refresh Rate 60 Hz Aspect Ratio 16:9 Brightness 250 cd m2 Display Colors 16 57 lbs Included in the box AC Power Cord QSA Color Black Manufacture Date 2018 Display Screen Size 28" Touchscreen No Native Resolution 3840 x 2160 Panel Type TN LED backlight Refresh Rate 60 Hz Aspect Ratio 16:9 Brightness 300 Nit Display Colors 1