FastMac - Performance Upgrades

Servers
Xserve is the name of Apple's 1U rackmount line of server computers. When the Xserve was introduced in 2002, it was Apple's first designated server hardware design since the Apple Network Servers of 1996. It initially featured one or two PowerPC G4 processors, but was later switched over to the new PowerPC G5, and now runs on quad Xeon chips (unveiled at WWDC 2006.
Owners of these servers can upgrade thier model by purchasing newer OS X Server Software, RAM, Drive Trays, Optical Drives, Ethernet Cards.