In the 33rd TOP500 of Supercomputers, the Shanghai China Supercomputer Center - Magic Cube - Dawning 5000A (QC Opteron 1.9 Ghz, Infiniband, running Windows HPC 2008) occupies the 15th spot. Microsoft revealed that the ego cluster of the Dawning 5000A comprised 1950 blades. According to Microsoft, each blade sports no less than 16 cores, and a total of 64 GB memory 4xDDR IB and 1GB/s GigE networks. The foundation of the blades is delivered by TYAN motherboards featuring four sockets and AMD Opteron 8347 HE (Barcelona b3) CPUs running at 1.9 GHz. The fastest supercomputer in the world continues to be Roadrunner - BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband / 2008 built by IBM at no less than 1.105 petaflop/s.