The Sun Enterprise 420R server is a four-processor workgroup server condensed in a rack optimized 4RU (rack unit) design.
-Key Features: Up to 10 per 72-in. rack, no overhang
-Up to four 450-MHz UltraSPARC-II CPUs and 4 GB of memory
-UPA crossbar-switch interconnect, PCI local bus, and 40-MB/sec Ultra SCSI disk
-Dual power cords, redundant AC power, hot-swap power and disks, and Sun Enterprise SyMON software for remote administration
-Solaris PC NetLink software delivers Windows NT services
-Solaris Easy Access Server provides Sun Directory Services, Solstice DiskSuite, Solstice Internet Mail Server software, plus installation wizards.