What is the maximum Raw Device Mapping (RDM) Size Supported on VMware vSphere 4 Host?

What is the maximum Raw Device Mapping (RDM) Size Supported on VMware vSphere 4 Host?

A.
2TB Minus 512B

B.
2TB

C.
512GB

D.
1TB

Explanation:
Storage Maximums

Raw device mapping (RDM) size 2TB minus 512B