Dell PowerVault ME4 Series Storage System Owner’s Manual

Storage system hardware

This chapter describes the front-end and back-end components of ME4 Series enclosures.

Some of the modules within the enclosure are replaceable as described in Module removal and replacement. The types of modules and other components that can be replaced are defined below:

• CRU: Customer-replaceable Unit
• FRU: Field-replaceable Unit (requires service expertise)

The terms CRU and FRU are used throughout this document.

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