Not from them anyway, the MD3620F on the other hand was a turbine There's basically no price difference between R620 and R720's over here, as we're completely not space constrained at all (power = $$$ ...
I have a Dell MD3220 SAN (not iSCSI) with dual storage controllers connected to two Dell R620, each with 2 SAS ports - cabled for redundant paths. On the SAN I have created the disk group, (2) 2TB ...