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 48GB 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.The ML570 G3 now offers SAS models with even better performance and higher reliability with support for up to 18 universal Small Form Factor (SFF) SAS drives and the Smart Array P600 Controller.