Gigabyte Intel Z77 Dual Thunderbolt ATX Motherboard with BT4.0/Wi-Fi (GA-Z77X-UP5-TH) CPU: Intel LGA 1155 Core i7/i5/i3, Pentium and Celeron processor Memory: 4 x 1.50-Volt DDR3 DIMM sockets supporting up to 32 GB of system memory, Support for DDR3 1600/1333/1066 LAN:1 x Intel GbE LAN chip (10/100/1000 Mbit) Expansion slots: 1 x PCI Express x16 slot running at x16, 1 x PCI Express x16 slot running at x4, 1 x PCI Express x1 slot, 1 x PCI slot Support for AMD CrossFireX/NVIDIA SLI technology Storage: 3 x SATA 6Gb/s, 4 x SATA 3Gb/s, 1 x eSATA 6Gb/s, 1 x mSATA connector Internal I/O Connectors: 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x PCIe power connector 3 x SATA 6Gb/s connectors 4 x SATA 3Gb/s connectors 1 x mSATA connector 1 x CPU fan header 4 x system fan headers 1 x front panel header 1 x front panel audio header 1 x S/PDIF Out header 1 x S/PDIF In header 3 x USB 3.0/2.0 headers 2 x USB 2.0/1.1 headers 1 x IEEE 1394a port 1 x Clear CMOS jumper 1 x Trusted Platform Module (TPM) header 1 x power button 1 x reset button 1 x Clear CMOS button 1 x BIOS switch button Voltage Measurement Points Back Panel: 1 x D-Sub port1 x DVI-D port1 x optical S/PDIF Out connector1 x HDMI port2 x Thunderbolt ports1 x eSATA 6Gb/s connector4 x USB 3.0/2.0 ports2 x USB 2.0/1.0 ports1 x RJ-45 port5 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Line In, Line Out, Mic In)