product labeling brand ASRock Manufacturer number 90 MXGKX0-A0UAYZ uPC 4711140879383 Model Z77 Extreme4 Product ID (ePID) 115933466 Product main features Form Factor ATX Socket type LGA 1155 / socket H2 1 x HDMI, 1 x PS / 2 Keyboard / Mouse, eSATA III, 2 x USB 2.0, 4 x USB 3.0, DVI-D, D-Sub, Clear CMOS Switch, SPDIF Optical, Ethernet (RJ- 45) Compatible CPU brand Intel Memory type DDR3 SDRAM Expansion slots 2 x PCI, PCI Express x1 Number of memory slots 4 Additional product features Supported Ram Clock Rates 1066MHz, 1866MHz, 1600MHz, 2133MHz, 2800MHz, 2400MHz, 1333MHz Integrated input / output interfaces Clear Cmos Switch, Dvi-D, 1X Ps / 2 keyboard / mouse, Ethernet (Rj-45), 4X Usb 3.0, Esata Iii, D-Sub, 1 X Hdmi, Spdif Optical, 2 X Usb 2.0 Number of memory slots 4 x Dimms Video interface Pci Express X1 Chipset Intel Z77 Product Information The ASRock Z77 Extreme4 is a motherboard designed for use with ATX PC systems. It is built with an Intel Z77 Express chipset and equipped with a LGA 1155 / socket H2. This motherboard supports various Intel CPUs: Intel Core i7, Intel Core i5, Intel Core i3, Intel Xeon, Intel Pentium, Intel Celeron and also has up to 32 GB DDR3 SDRAM memory types. Audio output sound card, 7.1 channels Memory Controller Type (s) 2 X Serial Ata Iii