Merritt L. Perkins wrote:
One server model may have a full tower case,
large power
supply, special motherboard with two to four microprocessors, and six
10,000 rpm SCSI hard drives four of which are hot-swappable (can be
changed while the server is operating). They cost about $6,000.
http://www.internetnews.com/infra/article.php/2216141