This is ASUS RS500A-E6/PS4. ASUS RS500A-E6/PS4 is based on dual-socket AMD G34 platform with 8/12-core per CPU, aiding the most recent AMD Opteron 6100 series processor. Assembled with 16 DIMM slots, 4 HDD bays to support 3.5 hot-swap HDDs, 80+ (Gold)500W power supply, and virtualization, the RS500A-E6/PS4 can function as high computing node with best performance and reliability.