The HP LaserJet Enterprise M4555 MFP allows for how much memory expansion through available
DIMM slots on the formatter?

A.
16MB

B.
64MB

C.
256MB

D.
1280 MB

Explanation:

Reference:
http://www.hp.com/hpinfo/newsroom/press_kits/2011/businessprinting2011/HP_LaserJet_Enterpri
se_M4555.pdf (page 2, see bullet # 13)