Intel Pentium 4 Processor MB for Entry Level Servers NRL-LS533 incorporated the latest GC-LS533 chipset from ServerWorks and 533Mhz system bus. To increase the reliability of a server system, the motherboard also adopted server class registered error correction (ECC) memory slots. The motherboard also comes with U160 SCSI controller for SCSI hard drive support. Shop Modal header Intel Pentium 4 Processor MB for Entry Level Servers Single Intel Pentium 4 processors up to 2.8GHz+ North Bridge: ServerWorks CMIC-SL South Bridge: ServerWorks CSB6 Up to 4GB registered PC1600 ECC DDR RAM, 4 DIMM slots Single channel Ultra160 SCSI 1 x BroadCom 5702C 32bit PCI Gigabit Ethernet controller for NRL-LS533 5 x 64bit/33MHz/3.3V PCI slots ASUS Server Management Software included TrendMicroTM ServerProtect anti-virus software full users version for enterprises