Model HUANANZHI B75PLUS V3.1 Motherboard Main chipset Intel B75 CPU Socket Support Intel LGA1155 Memory slot 2 x DDR3 memory slot Memory standard Support Dual channel DDR3 1600/1333MHz Memory，Max support 16GB Storage interface 1 x SATA3.0 6Gbps，3 xSATA2.0 3Gbps Expansion Slots 1x PCI Express3.0x16，1xPCI Express2.0x1 Expansion interface \ Soud Track 5.1 sound card Network Card Gigabit Ethernet Power interface 24PIN+8PIN FAN PIN 1xCPU_FAN PIN，1xSYS_FAN PIN power supply 5-phase power supply PCB layers 4-layer PCB Dimension 218*168MM M-ATX Rear panel interface 1xPS/2 Mouse and Keyboard port，2xUSB2.0，2xUSB3.0，1xRJ45Network card interface，1x3-hole audio interface，1x VGA，1x HDMI，1xCOM Front panel interface 1 x USB2.0 PIN，1 x USB3.0 PIN，1 xFront audioPIN Support system Windows7 Windows10 Windows11 BIOS AMI UEFI BIOS Packing list 1 x Motherboard，1 x SATA data cable，1xWarranty card，1xI/O shield back plat