The all new HP ProLiant BL680c Server Blade, delivers no-compromise performance and expansion in the first Quad-Core 4P BladeSystem Server. With up to four Intel Xeon 7300 Sequence processors, 64 GB of Fully Buffered memory, two hot-plug Serial Attached SCSI (SAS) or Serial ATA (SATA) hard drives, four embedded Gigabit NIC's and three I/O expansion slots, the HP ProLiant BL680c G5 delivers the density you want with the performance you need to handle the most demanding enterprise class applications.