HDS.
Might I suggest that you compare with HDS HUS VM with flash module. More iops, low latency, and with the 3.2GB FMD flash modules, higher density.
Nimble Storage is setting its sights on would-be EMC clients with competitive data tables showing that its product is better than both VNX hybrid arrays and also XtremIO all-flash arrays. This comes just days after Nutanix opened up its Nix vBlock marketing campaign against EMC-using Vblocks from VCE. It’s hard being top of …
they have good support, however there were two problems for me:
1) at the time it was iscisi only
2) If you are have parallel streaming reads, and try and write, performance collapses like a sack of shite (9/1 read to write ratio, 1gig ethernet, to a 10gig switch.)
However I can see that its grand for VDI and the like. However for us it wasn't a good fit.