Description The Thunder HEsl is designed for mission critical server applications requiring the processing power of dual Intel Pentium III processors. With six 64-bit PCI expansion slots, the Thunder HEsl provides maximum expansion, and superior I/O bandwidth in an extended ATX form factor. This advanced system board also features a 10/100BaseT LAN connection, dual-channel Ultra 160 SCSI controller, AGP Pro slot and more. All these features, along with support for up to 4 GB of SDRAM, make Thunder HEsl the perfect choice for your server and workstation requirements.