Ultra Enterprise X000/Enterprise X500 Mid-range Servers
In 1996, Sun replaced the SPARCserver 1000E and SPARCcenter 2000E models with the Ultra Enterprise 3000, 4000, 5000 and 6000 servers. These were multiprocessor servers based on a common hardware architecture incorporating the Gigaplane packet-switched processor/memory bus and UltraSPARC-I or II processors. High availability and fault-tolerance features were included in the X000 systems which were intended for mission-critical applications.
The 3000 model was a deskside server configurable with up to six processors and 10 internal disks, while the 4000 was a rack-mount system with up to 14 processors. The 5000 was essentially a 4000 in a rack cabinet and the 6000 was a cabinet-housed datacenter server with up to 30 processors.
In 1999, the Enterprise 3500, 4500, 5500 and 6500 models were announced. These were upgraded X000 systems, with a faster Gigaplane bus (up to 100 MHz, depending on processor clock speed, compared to 83 MHz). The 3500 also differed from the 3000 in an increased maximum of eight processors. The Enterprise X500 series were replaced by the Sun Fire 3800/4800/6800 line.
Read more about this topic: Sun Enterprise
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