CPU Dual Socket G34 Support upto two TwelveEight-Core ready AMD Opteron 6100 Series processors Support HT30 Link Technology Chipset Dual AMD SR5690 SP5100 chipset Memory 16x 240pin DDR3-13331066800 DIMMs Quad channel Supports up to 256GB ECCREG Memory or up to 64GB ECCnon-ECC unbuffered Memory Slots 3x PCI-Express 20 x16 Slots 3x PCI-Express 20 x8 Slotstwo run at x4 Video Matrox G200 Graphics Controller w16MB DDR2 Vedio Memorry LAN Dual Intel 82576 Gigabit Ethernet Controllers 1x RJ45 Dedicated LAN Port