Intel Server Board DBS1200BTL (Beartooth Pass) Supporting Intel Xeon Processor E3 1200 series based on Next-Generation Intel Microarchitecture (Sandy Bridge), its features include: 4 DDR3(1066/1333MHz) ECC UDIMM sockets (Unbuffered), 5 Slots: 1x PCI Express 2.0 x8 slot (x16 mechanical), 1x PCI Express 2.0 x8 slot (x8 mechanical), 1x PCI Express 2.0 x4 slot (x8 mechanical), 1x PCI Express x4 slot (x8 mechanical), 1x PCI 32/33 (5V) slot, 6 SATA ports (2x6Gbps, and 4x3Gbps) via Intel C204 chipset with Intel Embedded Server RAID Technology and Intel RST, Embedded Intel Dual Gigabit Controller 82574L and 82578DM