Lasting Quality from GIGABYTE SPECIFICATION CHIPSET: PROCESSOR: MEMORY: EXPANSION: AUDIO: LAN: SATA: USB: GRAPHICS: FORM FACTOR: UPC Code: 818313018410 Dimension(in): 21x15x14 inches Gross Weight: 24.816 Ibs Quantity per Carton: 10 Intel H81 chipset 4th generation Intel ® Core ™ processors 2x DDR3 (16 GB max) Dual Channel 1x PCIE 2.0 x16 3x PCIE x1, 2x PCI Realtek ® ALC898 HD Audio 7.1 Ch Realtek ® GbE LAN chip 2x SATA 3 (6Gb/s) 2x SATA 2 (3Gb/s) 6x USB 3.0, 7x USB 2.0 HDMI ATX (304x190 mm) Digital-to-Analog converter Audio Noise Guard Exclusive Upgradable OP-AMP and USB DAC-UP! GA-H81.AMP-UP Gold Plated Audio Hardware Upgradable OP-AMP Gain Boost Long Lifespan All Solid Caps Long Lifespan All Solid Caps & High Temperature Protection Normal Good Good Normal Component Lifespan Hot Cool Cool Hot Average Temp. Lower RDS(on) MOSFET Design Traditional MOSFET Design A MOSFET is a switch that allows or disallows electric current to pass through an electronic circuit. Lower RDS(on) MOSFET Design (CPU Power Zone) Small Size Low Temperature Small Size Low Temperature Cool Cool Lower RDS(on) MOSFET Lower RDS(on) MOSFET Large Size High Temperature Large Size High Temperature Traditional MOSFET Design (CPU Power Zone) Hot Hot Traditional MOSFET Traditional MOSFET 8 pins 8 pins 3 pins 3 pins All Solid Cap Design Traditional Cap Design