IBM System x3400 M3

Feature Benefits
Wide choice of processors supported—Intel® Xeon® 5600 (six-core or four-core) and select Intel Xeon 5500 (four-core or two-core)
Fast two DIMMs per channel at 1333 MHz, DDR-3 RDIMM and UDIMM memory (model dependent)
Support for up to eight or 16 small form factor (2.5") hot-swap Serial Attached SCSI (SAS) or Serial ATA (SATA) hard disk drives (HDDs) (model dependent)

Support for up to four 3.5" simple-swap SATA HDDs or up to four 3.5" hot-swap SAS or SATA HDDs standard. Up to eight 3.5" hot-swap SAS or SATA HDDs (configure to order only)
Integrated 6 Gbps RAID-0, -1, -1E (model dependent)
Optional advanced 6 Gbps SAS RAID
Six PCIe slots standard
Up to two PCI-X slots
Integrated management module (IMM) and optional remote presence key
Integrated dual Gigabit Ethernet
IBM Systems Director
IBM ServerGuide software
Security capabilities
Available with 1- or 3-year customer replaceable unit and onsite limited warranty