Lasting Quality from GIGABYTE SPECIFICATION CHIPSET: PROCESSOR: MEMORY: EXPANSION: AUDIO: LAN: SATA: USB: GRAPHICS: FORM FACTOR: UPC Code: 818313022042 Dimension(in): 23x12x11 inches Gross Weight: 17.12 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 2x PCIE x1 Realtek ® ALC887 HD Audio 7.1 Ch Realtek ® GbE LAN chip 2x SATA 3 (6Gb/s) 2x SATA 2 (3Gb/s) 2x USB 3.0, 6x USB 2.0 HDMI, DVI-D, D-Sub Micro ATX (226x174 mm) EasyTune™ High ESD Protection for USB and LAN (USB 3.0 only) APP Center GA-H81M-S2H On/Off Charge Technology LAN Optimizer - Intelligent optimization network management tool 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 The Valuable H81 Plaorm With USB 3.0*6