HP AlphaServer ES47 systems are mid-range servers designed to handle crucial department-level applications. Able to be equipped with 2, 4, 6 or 8 Alpha E7 processors, HP Alpha ES47 systems have a small, space-efficient form factor considering the amount of power they offer. HP ES47 systems also feature up to 64 Gigabytes (GB) of memory, up to 52 PCI-X slots and an I/O bandwidth of up to 24.5 GB/s.