Item Type: DDR3 Motherboard Material: Printed Circuit Board Chip: Graphics Card and Sound Card: Integrated Chipset: For Intel H55 Audio Chip: Integrated 6 Channel Sound Chip CPU Specification: CPU Platform: For Intel Core i3/i5/i7 CPU Slot: LGA 1156 Supported CPU: 1 x I5 650(Included) Memory Specification: Memory Type: DDR3 1333/1066MHZ(1600 Not Supported) Memory Slot: 2 x DDR3(Included) Expansion Slot: 1 x PCIE X16 Graphics Card Slot, 1 x PCIE X1 Slot, 1 x USB 2.0 Pin, 1 x USB 3.0 Pin, 1 x M.2 NGFF Slot SATA Mode, 3 x SATA Interface I/O Interface: 1 x RJ45 Network Port, 1 x VGA Port, 1 x HD Multimedia Interface, 6 x USB 2.0 Interface, Audio Interface Battery Type: 1 x CR2032 Button Battery Battery Capacity: 240mAh(Battery Included) Other Specification: 1 x 4Pin Power Socket, 1 x 24Pin Power Interface, 4 Phase Power Supply I5 650 CPU Specification: CPU Series: for Core i5 650 Series Slot Type: LGA 1156 Process: 45nm CPU Frequency: 3.2GHz Maximum Frequency: 3.46GHz Core Quantity: Dual Core Thread: 4 Threads Cache: 4MB TDP: 73W Integrated Graphics Card: for Intel HD Graphics Memory Specification: Application: Desktop Computer Memory Capacity: 4G x 2(Memory Module Included) Memory Type: DDR3 Memory Frequency: 1333MHz Cooling Fan Specification: Cooler Size: Approx. 115 x 115 x 58mm / 4.5 x 4.5 x 2.3in( Manual Measurement, Slight Error May Exist ) Material: Aluminium Rated Voltage: 12V DC Speed: 2200±10%RPM