Technical specifications

Drives

SAS hard drives	Up to 84 3.5-inch SAS hot-swappable hard drives
	(6.0 Gbps or 12.0 Gbps)

Storage Bridge Bay (SBB) Modules

SBBs	Two hot-swappable EMM I/O modules

Connectivity

Configurations	Various server-attached configuration including
	but not limited to 168 hard drives in redudant-path
	enclosure chains. Servers can support up to six
	enclosure chains.

Redundant Array of Independent Disks (RAID)

Controller	Various server-based RAID controller or SAS HBA.
Management	RAID management by using Dell Storage System
	Manager version 6.4 or later.

Back-Plane Board

Connectors	• 84 SAS hard-drive connectors
	• Two sets of SBB connectors
	• Five cooling fan module connectors
	• Two power supply unit (PSU) connectors

Back-Panel Connectors (per SBB)

SAS connectors	• Asymmetric SAS Cabling for connection to the
		controller and for expansion to an additional
		enclosure
	• Support Mini-SAS HD to Mini-SAS cable
		universally keyed for the following lengths that
		are currently supported:
	Controller to MD1280:
	•	0.5 m
	•	2 m