Which HP blade comes with a license for Microsoft Cluster Server (MSCS)?

A.
BL490c

B.
BL870c

C.
X3800sb

D.
xw2x220c

Explanation:
The X3800sb G2 ships pre-installed with Windows Storage Server 2008 R2 Enterprise x64 Edition
with Microsoft iSCSI Software Target and a Microsoft Cluster Server (MSCS) license.