Whether it's running one critical application for hundreds of clients, or many applications at once for a branch office or workgroup, the Sun Enterprise 450 gives you performance, reliability, and scalability you can count on - at a price you can afford. In today's heterogeneous network environments, you expect a lot from your workgroup server. It should be scalable to accommodate changing business needs, reliable so data and applications are always available, and must interoperate with all your systems. And it should be easy to deploy and manage. Whether you're deploying these systems for e-mail, database applications, clustering, Web service, or enterprise resource planning - the Enterprise 450 gives you the power, throughput, and storage you need to meet user demands.What's more, the Enterprise 450 works seamlessly with workstations, PCs, and Macintosh systems. With the robust Solaris operating environment's easy-to-use installation and Web software, you can actually get more productivity from all your systems - and your administrators. The Enterprise 450 is reliable with standard ECC datapath and memory protection, automatic system recovery, and hot-swap power supplies and disk drives. That's investment protection you can count on.Upgrade your Enterprise 250 server to Sun Enterprise 450 Server in deskside tower; includes four 400MHz CPUs, each with 4-MB cache 4GB memory, 10 PCI I/O slots, 32X CDROM; 1.44MB floppy drive, 10/100 Ethernet, two power supplies; Solaris server license; 4 hot swap UltraSCSI disk bays, four 18GB 10, 000 rpm drives. Customer Returns: Complete Sun UltraSPARC Enterprise 2 server including all CPUs, memory and drives.