Dell EMC PowerVault MD3400 and MD3420 Series Storage Arrays Deployment Guide

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Connecting the storage array

Figure 1. RAID controller module ports This figure illustrates the components of the RAID controller module.

This figure illustrates the components of the RAID controller module.

Table 1. RAID controller module . This table describes about the RAID controller module.
Item Number	Name	Description
1	12 gbps SAS Host Ports (2)	Allows you to connect host servers to the storage array.
2	7–segment display	Displays status of the RAID controller.
3	1G Ethernet Management (MGMT) Port (1)	Allows for out of band management of storage array.
4	Reserved Ethernet Port (1)	This is a reserved port.
5	12 gbps SAS Host Ports (2)	Allows you to connect host servers to the storage array.
6	SAS Expansion Ports (2)	Allows you to connect the storage array to optional PowerVault MD1200 series expansion enclosures for additional storage capacity.

NOTE: Only one SAS OUT expansion port can be used at a time and the recommended expansion port is port 0.

NOTE: Do not cable the reserved management port.

Each PowerVault MD3400 and MD3420 storage array can be expanded to a maximum of 120 slots (or 192, if enabled using Premium Feature activation) through a maximum of seven MD1200 series expansion enclosures.