04/09 HP ProLiant BL685c G6: #1 4-socket blade virtualization performance on VMmark Benchmark The new HP ProLiant BL685c G6 with new 2.9-GHz Quad-Core AMD Opteron processors is the highest performing server blade on the VMmark benchmark with a score of 20.87@14 tiles.
With this result, customers have the potential to achieve up to 2,688 Virtual Machines per 42U industry standard rack.

04/09 HP ProLiant DL585 G5 earns #1 overall 4 socket virtualization performance leadership
The HP ProLiant DL585 G5 is the highest performing 4-socket server on the VMmark benchmark with a VMmark score of 22.11@15 tiles. This result defeated all 4-socket rack server competitors Dell, IBM, and Sun. The HP ProLiant DL585 G5 is also the first four-socket server to run with the VMware ESX 4.0 Virtualization Platform. In addition, the HP ProLiant DL585 showed an increase in scalability performance compared to previous generation technology.

04/09 Record-breaking HP ProLiant DL785 G5 virtualization performance: first to score 126 Virtual Machines on VMmark!
The industry's 8-socket workhorse, the DL785 G5, with 11 expansion slots and up to 512 GB RAM, delivers leading expandability for x86 virtualization and enterprise applications. This is the highest VMmark score ever posted at 30.50@21 tiles and is the first server to score more than 30 on the VMmark benchmark.