SABERTOOTH Z97 MARK S Motherboard. LGA1150 Socket for the 5th New 4th and 4th Generation Intel Core i7/i5/i3/Pentium /Celeron Processors Intel Z97 Express Chipset Supports 22nm CPU 4 x DIMM Max. 32GB DDR3 1866/1600/1333 MHz non-ECC un-buffered Memory 2 x PCI Express 3.0/2.0 x16 slots (Single at x16 Dual at x8/x8) Integrated Graphics Processor- Intel HD Graphics support Maximum shared memory of 512MB Dual Gigabit Intel LAN controllers- 802.3az Energy Efficient Ethernet (EEE) appliance Windows 8.1 / Windows 8 / Windows 7 ATX Form Factor.