XP7 Expansion Tower from Aurora Technologies (increases the number of PCI Slots) Platforms: Solaris, Windows NT; PCI 2.1 Price: $1,200 URL: http://www.auroratech.com

Allows PCI I/O-based system users to transparently and economically increase the number of usable PCI slots available on a system, thereby expanding the number of high-performance PCI devices available to a system and increasing the system's overall functional capabilities. The XP7 Expansion Tower allows low cost PCs and workstations to offer server functionality by providing the I/O capacity needed to support enterprise-wide activities.