Featuring the powerful Intel processor, 7x24 reliability and a space-saving 4U form factor, the ProLiant 6400R is the perfect platform for data center environments using external storage and back-up solutions. With maximum 4-way computing power, the ProLiant 6400R delivers the performance required to run business applications, implement clustering solutions or operate active Internet, intranet and e-business sites.At just 7" (4U) in height, the ProLiant 6400R is the ideal combination of 4-way computing power and density that best fits space-constrained data center environments.