Four hot-pluggable systems (nodes) in a 2U form factor. Each node supports:1. Two Six-Core AMD Opteron™ 2000 Series (Socket F) processors supported, HT3.0 Link support2. Redundant 1400W high-efficiency (1+1) power supply3. Three 3.5" hot-swap SATA drive bays support RAID 0, 1, 54. PCI-Express x16 (low-profile AOC slot)5. Up to 64GB of ECC Registered DDR2 800/667 SDRAM6. On-board IPMI 2.0 remote management7. Onboard Mellanox Connect-X DDR Infiniband Controller (BIBXRF SKU)