<b>The System x3300 M4 servers include:</b><br>- Quickpath Interconnect support for 6.4 and 7.2 Gigabit transfers per second, supporting one QPI link;<br>- Two simple-swap fans standard with single processor or three simple-swap fans standard with dual processors. Optional redundant cooling option and power supplies are available;<br>- Five PCI-Express card slots standard; one PCI-Express card slot enabled with dual processors; and one optional PCI-X card slot when using interposer card;<br>- Integrated dual Gigabit Ethernet, quad with software upgrade;<br>- RAID-0, RAID-1, and RAID-10 support standard or optional RAID-1E, RAID-5, RAID-10, and RAID-50 using a PCI-E adapter;<br>- DDR3 ECC DIMMs, combined with an integrated ECC memory controller in core logic that corrects many soft and hard single-bit memory errors and minimizes disruption of service to LAN clients;<br>- Integrated management module with optional Remote Presence function;<br>- Light path diagnostics with a light path pa