B250B Motherboard 12 PCIe Slots VGA DVI Output 2.8GHz CPU High Speed DDR4 Motherboard for Computer Desktop Item Type: B250B Motherboard Material: Printed Circuit Board Motherboard Chip: Integrated Chip: Sound Card, Network Card, Integrated Graphics Card Chipset: B250 Series Network Card Chip: Gigabit Network Card Audio: Integrated Audio Chip CPU Specification: CPU Platform: For Core 6th and 7th Generation, for Pentium, for Celeron CPU Slot: LGA 1151 Supported CPU Quantity: 1 (G3900 CPU Included) Memory Specifications: Memory Type: DDR4  2133/2400/2666MHZ, Maximum 32G Memory Slot: 2 x DDR4 Extension Slot: 1 x PCIe X16 GPU Slot, 11 x PCIe X1 Slot, 2 Groups of USB2.0 Pin, 1 Group of USB3.0 Pin, 1 x COM Pin, 4 x SATA Interface I/O Interface: PS/2 Interface, 2 x Keyboard Mouse Universal Interface, 1 x RJ45 Network Interface, 1 x DVI, 2 x USB 3.0, 2 x USB 2.0, 1 x VGA, Audio Interface  Battery Type: Lithium Manganese Battery Battery Model: CR2032 Battery Capacity: 140mAh (Battery Included)