Very good Speed and unbelieveable performance and The Dual-Core Intel Xeon processor 5100 series is ideal for intense computing environments, 32-bit and 64-bit business-critical applications and high-end workstation and Analysis in my mind Dual-Core Intel Xeon processor 5100 series-based platforms are expected to deliver up to 2.25 times the performance and 2.35 times the performance/watt of previous-generation dual-core Intel Xeon processors and realiable performance and I always advice my friends,visiter and colike. In my view overall good performance Easily purchase. Good Manufacture support and overall we see performance,efficiency,design very valuable. Mostly people perfer and All this report in my survey and judge 80% people perfer this and I also recommend you please purchase.