Specifications of the Motherboard Fourth-generation CoreTM i7/Core™ i5/Core™ i3/Pentium®/Celeron® Processors are supported. Encourages CPU: Intel® 22 nm Encourages Turbo Boost Technology by Intel® 2.0 Chipset DDR3 Memory Slots for Intel H81 Socket LGA1150 Memory Type 2 Maximum Memory 16GB Memory Bus Speed 1600/1333/1066 Ports One purple PS/2 keyboard One green PS/2 mouse One DVI One D-Sub One LAN port (RJ45) Two blue USB 3.1 Gen 1 Two USB 2.0 Three audio jacks MicroATX Extension Slots for Form Factor One PCIe x16 Two PCIe 2.0 x 1