Asus LGA1155 Xeon/Intel C204/ DDR3/V&4GbE 1U Rackmount Server Barebone System RS300-E7-PS4 Processor: LGA 1155 Support Intel Xeon E3-1200/Core i3-2100 series Processor Chipset: Intel C204 Memory: 4x DDR3-1333 DIMMs, Dual Channel, Unbuffered, Max Capacity upto 8GB Slots: 1x PCI-Express x16 Slot; 1x PCI-Express x8 Slot; 1x PIKE Slot for Stroage Enhancement (doesn't occupy a PCI-E slot) SATA: 2x SATA3 Ports; 2x SATA2 Ports