This TYAN S5191G3NR server board is a reliable choice for enterprise networking and server components. It is compatible with Intel LGA775 processors and features 4 memory slots with 4GB DDR2 SDRAM installed. The board also includes 20+4 pin connectors and supports TWO (2) Cat 5 Ethernet (RJ-45) network ports. In addition, this board comes with an XEON Quad Core (4x) 6660 processor and is tested for functionality. It is a great choice for those in need of a high-performance server board.