It's still not clear but probably because the blades doesn’t yet offer the same performance. HANA is optimized for the Intel X7560 CPU and runs fastest on this. For instance, the Dell M910 blade can only run 2x X7650 CPUs and 512Gb RAM in this configuration, which probably explains the limitations. One thing is sure that HANA will eventually run on blades as it's born to run on blade technology.

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