CPU(Processor) Intel® Socket 1155 Core™ i7/Core™ i5/Core™ i3 Processors Supports Intel® Dynamic Speed Technology Supports Intel® 32 nm CPU Chipset Intel® H61(B3) Memory Support Dual channel DDR3 1333/1066 SDRAM (8GB Max) 2 * DDR3 DIMMs (240 pin/ 1.5V) Slots - 1 * PCI Express x16 Slot - 1 * PCI Express x1 Slot Storage - 4* Serial ATA 2.0 devices Internal I/O Connectors - 1 * 24-pin ATX Power Connetor - 1 * 4-pin ATX 12V Power Connetor - 2 * USB connector support additional 4 USB ports - 1 * LPC_DEBUG connector - 1 * Front panel audio connector - 1 * System Panel connector Back Panel I/O Ports - 1 * PS/2 Mouse/Keyboard - 1 * VGA - 1 * COM - 4 * USB 2.0 / 1.1 - 1 * RJ45(LAN) Port - 1 * 3 Audio jacks BIOS EFI BIOS LAN Onboard Realtek 8105E 1000M LAN, Compliance with PCI 2.2 Audio