Sun Microsystems, who started to make servers based on AMD's Opteron microprocessors about a year ago, currently sells a significant part of all AMD Opteron chips supplied to market. Sun's products traditionally offer high performance and impressive stability. AnandTech has taken a look at Sun Fire V40z entry-level server, which is powered by four Opteron 850 clocked at 2.40GHz frequency and are supported by 8GBs of PC2700 DDR memory.

?In the world of High Power, High Availability computing, stability and features go much further than a 1% boost in performance. As far as stability goes, we know that the Sun Fire V40z is certainly best of breed. Between the Motorola Service Processor, dedicated out-of-band management network, redundant 760W power supplies and hot swappable active cooling, it becomes real hard for us to determine a single point of failure that could cripple a server. The seven featured PCI-X expansion slots are also a great addition to the feature portfolio of the V40z,?the web-site claims.

• AnandTech: Sun Fire V40z: Four Opterons in a 3U.