The Iomega Stor Center px 4-300r Network Storage array is a high performance server class rackmount array that is ideal for small-to medium-sized businesses & distributed enterprises for advanced data protection & local & remote content sharing. Powered by EMC storage technology, the px 4-300r comes in a space-saving 1U form factor that is better, faster & more reliable for your mission critical data. The Stor Center px 4-300r provides cross-platform file sharing & simultaneous i SCSI block access. High performance I/O is achieved through dual Gb E connections with port bonding & link aggregation capabilities.