ASRock EATX (Extended ATX) DDR3 1066 LGA 1150 Motherboards Z87 EXTREME11/AC SAS: 16x SAS3/SATA3 Ports, Support RAID 0, 1, 1E, 10 Chipset: Intel Z87 Memory: 4x DDR3-2933+(OC)/ 2800(OC)/ 2400(OC)/ 2133(OC)/ 1866(OC)/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 32GB Slots: 4x PCI-Express 3.0 x16 Slots (run at x16 or x8/x16 or x8/x8/x8 or x8/x8/x8/8), 3x PCI-Express 2.0 x1 Slots, 1x Mini-PCI Express Slot ( for Wi-Fi + Bluetooth Module) SATA: 6x SATA3 Ports, 2x mSATA Ports, Support RAID 0, 1, 5, 10 Ports: 12x USB 3.0 Ports (6 rear, 6 via headers), 7x USB 2.0 Ports (2 rear, 4 via headers, 1 Type A), 1x PS/2 Mouse/Keyboard Port, 1x HDMI Port, 1x Display Port, 2x Thunderbolt 2 Ports, 1x Optical S/PDIF Out,?1x eSATA Port, 2x RJ45 LAN Ports, Audio I/O Jacks Power Connector: 1x 24pin ATX Power Connector, 2x 8pin 12V Power Connectors