Feature:1. B75 motherboard supports dual USB 3.0 ports for front and rear, which supports SATA3.0 hard disk transfer rate, USB2.0 and SATA2.0 modes with super performance H61.2. Front and rear dual USB3.0 interface can keep high transfer rate, which makes mainboard with high performance.3. Desktop motherboard is compatible with DDR3 desktop memory 1066/1333/1600/1866.4. 4 SATA interfaces support high‑speed transmission of SSD, which can be easy to connect.5. High‑definition high‑performance nuclear graphics card supports VGA and High Definition Multimedia Interface dual output.Specification:Item TypeMotherboardMotherboard ChipIntegrated chip sound card / network card nuclear display cardMain chipset for B75Network card chip integrated RTL8105E 100M network cardAudio chip integrated 6-channel cudio chipProcessor PatternCPU Platform: For Core II and IIICPU Socket: LGA 1155Support: 1 CPUMemory PatternMemory Type: DDR3 1600/1333/1066 MHZMemory Slot 2 × DDR3Expansion Slot1 × PCI-E X16 graphics slot1 x PCI-E X1 slot1 x USB2.0 pin 1 x USB3.0 pin4 x SATA2.0 interface + M.2 NVME hard disk interfaceI / O Interface1 USB keyboard and mouse1 x RJ45 network interface1 x VGA interface1 x High Definition Multimedia Interface HD output2 x USB 2.0 interface2 x USB3.0 interfaceAudio portMotherboard SizeApprox. 17 x 19cm / 6.69 x 7.48in (outer box size: approx. 28 x 21 x 11cm / 11.02 x 8.27 x 4.33in)Weight without BoxApprox. 0.5 kg / 1.1 lbGross WeightApprox. 0.78 kg(the total weight of the set includes CPU fan memory)Other ParametersA 4-pin power socket and a 24-pin power interfacePower Supply Mode: 3 phaseBattery ModelCR2023(Not included).Package List:1 x Motherboard1 x PIN Cable1 x Iron plateNote:Battery needs to be installed so that motherboard to work.