Dissimilar systems used for benchmarking
An astute reader will notice that two different servers were used by CSCS in their testing. For the Fusion and Virident testing, they used a system with an AMD 2.0Ghz processor. For the RamSAN testing, they used a 2.93Ghz Intel processor.
That's not apples to apples, so it's quite questionable to compare the results between the two tests.