Thanks for the question biescas. The 2040 will not support the new Flash Pools feature unfortunately. In order to support the caching mechanism in the Flash Pool, a larger system memory footprint is required. The max memory on a dual controller 2040 is 8GB, which would not be enough to support FP. So you would need to look at 2220 which has 12GB per controller pair.
Hi Kevin - you are correct, 2220 will be the min platform for FP. As I replied upthread, in order to support the caching mechanism in the Flash Pool, you need a larger system memory footprint. The 2040 maxes out at 8GB, which would not be enough to support FP. The 2220 has up to 12GB, so that's why it's the starting platform for FP.
Radek - yes, you are correct on a per controller basis. I should have specified that I was referring to a dual controller system in both cases, which I did in my reply to the original post on this thread (see my reply to biescas). So we are on the same page.
I just hate the way NetApp provides technical specification of the filers doubling everything, which in my view is (or at least may be) misleading & confusing. E.g. if you have a single workload, there is no chance you will ever use "12GB of RAM" on a FAS2220A. Not mentioning single-controller systems, which you can still buy...