Asrock B550M HDV micro ATX motherboard AMD B550 Socket AM4 Operating system installed___Windows 10 Pro Education 8 GHz Processor model i7 12800H 8 GHz Processor model i7 12800H Processor generation 12th gen Intel® Core™ i7 Processor family Intel® Core™ i7 Processor manufacturer Intel Memory Memory channels Dual channel Memory clock speed 4800 MHz Internal memory type DDR5 SDRAM Internal memory 16 GB Storage Optical drive type No SSD form factor M horizontal 178° Maximum refresh rate 60 Hz Dynamic contrast ratio marketing name SmartContrast Contrast ratio (dynamic) 50000000:1 Contrast ratio (typical) 3000:1 Aspect ratio 16:9 Screen shape Flat Anti glare screen Yes Response time 4 ms Display brightness (typical) 350 cd m² Backlight type W LED Panel type VA HD type 4K Ultra HD Touchscreen No Display technology LED Native aspect ratio 16:9 Display resolution 3840 x 2160 pixels Display diagonal 80 cm (31 3rd Generation AMD Ryzen™ 9 Processor socket Socket AM4 Processor manufacturer AMD Memory Unbuffered memory Yes Maximum internal memory 64 GB Supported memory clock speeds 2133 ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes