KOORUI G2721E 27 Inch Gaming Monitor, 320Hz, Fast IPS, QHD 1440P, 1ms, Adaptive Sync, Lifting Adjustable, VESA Mountable, HDMI DP, Low Blue Light, 99% SRGB CRT Display buffer size 1 MB Writing buffer size 1 MB Writing speed DVD R Double Layer write speed 6x DVD+RW write speed 8x DVD+R Double Layer write speed 6x CD write speed 24x DVD RW write speed 6x CD rewrite speed 16x DVD RAM write speed 5x CD RW write speed 16x DVD+R write speed 8x DVD R write speed 8x CD R write speed 24x Reading speed CD ROM read speed 24x DVD R Double Layer read speed 6x DVD R read speed 6x DVD+R read speed 6x DVD ROM read speed 8x DVD RW read speed 6x CD read speed 24x DVD RAM read speed 5x CD RW read speed 24x CD R read speed 24x DVD+R Double Layer read speed 6x Reading speed DVD+RW read speed 6x Access time DVD drive average random access time 160 ms CD ROM drive average random access time 140 ms Record modes Random write Yes Track at once (TAO) Yes Session at once (SAO) Yes Multi session Yes Sequential writing Yes Disc at once (DAO) Yes Packet writing Yes Operational conditions Operating relative humidity (H H) 15 80% Operating temperature (T T) 5 40 °C Storage relative humidity (H H) 10 90% Storage temperature (T T) 30 60 °C Weight & dimensions Weight 313 g Packaging content Bundled software Cyberlink Power2Go Easy to install with native OS support in Windows 8 DisplayPort POWER Operational Consumption 65 W Standby Consumption 0 Compatible with VESA 75×75mm mounting for flexible setup options