Processor: Support for Core /Pentium /Celeron LGA1151 series 6/7/8 generation processors (9th generation CPU is not supported) Chipset: for B250 Chipset Display: Onboard nuclear display /VGA or PCIEx16 expansion graphics card Memory: Support 2xDDR4 desktop 2133/2400/2666MHz memory slots (2 main slots, dual channel, does not support ECC memory) Sound Card: Onboard 1xRealtek ALC662 sound card chip Network card: Onboard 1xRealtek RTL8111H Gigabit network card Storage: 3xSATA 3.0,USB:4xUSB3.0+4xUSB2.0,:ITE IT8772E Expansion slot: 1xPCIE 16X slot (x16 GEN3 speed), 11xUSB3.0 slot (PCIEx1 GEN1.1 speed) Rear I/O Interface: 2xUSB2.0 ports 1xRJ45 port 1xPS2 port (support PS2 keyboard + mouse) 1xHDMI port 1xVGA port 2xUSB3.0 ports Internal interface: 1xF_AUDIO pin 1x4PIN buzzer pin 1x3PIN CLR_CMOS pin 1xF_PANEL pin 1xDEBUG pin 1xCPU_FAN pin 1xSYS_FAN pin 1xF_USB3.0 pin (extendable to 2xUSB3.0 ports) 1xF_USB2.0 pin (extendable to 2xUSB2.0 ports) 3xSATA3.0 interface 2xlarge 4PIN PCIE auxiliary power supply interface Power supply mode: ATX 24PIN+ATX 8PIN The appearance and color of different batches of products may be different, which does not affect the use size:281.36MMx170MM Material:PCB colour:Black Package Contents: 1 x Motherboard Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.