The Sun Fire X4440 server, powered by the up to four Dual-Core AMD Opteron processor 8200 series, is the first and only four-socket quad-core system with sixteen hard drive slots in a 2U form factor on the market from a tier-one vendor. It is the best two-socket 2U x64 system in terms of storage density and expandability. It offers up to twice the storage power up to 2 terabytes and memory capacity than competitive servers, resulting in lower energy and cooling costs.