The HP ProLiant ML570 G3 server is the industry's first 4-way expansion server that offers not only exceptional performance, but increased reliability with hot-plug RAID memory, powerful management capabilities, and unmatched internal expansion. With expansion capabilities featuring up to 64GB max memory, support for up to 10×1" hot-plug Ultra 320 SCSI hard drives, and up to 10 PCI I/O slots, the ProLiant ML570 G3 is a truly expandable and reliable server for a data center or remote enterprise environment.