Which HPE storage solution should be proposed?

A customer requests a quote for an HPE storage solution that meets these requirements

– fully redundant dual-controller storage array with no single points of failure

– 1 Gb or 10 Gb ISCSI connectivity

– at least four host-facing ISCSI ports

– capable of expanding usable capacity in small increments of one-to-two disks

Which HPE storage solution should be proposed?
A . D3000
B . MSA 1050
C . Nimble AF20Q
D . Nimble HF20