Dell MD1120 manual Technical Specifications, Hard drives

SAS hard drives

Up to 24 2.5-inch SAS hot-plug hard

drives (3.0 Gbps), at speeds of 10K or

15K rpm (See your system readme file

for supported disk capacities.)

Connectivity

Configurations

Support for either of the following

configurations:

• Unified mode for direct connectivity to

24 hard drives

• Split mode with dual EMMs providing

a direct connectivity to drives 0 though

11 and a separate direct connectivity to

drives 12 though 23

• Up to three daisy-chained storage

enclosures in unified mode for a total

of 72 hard drives

Enclosure Modules

EMMs

One or two hot-pluggable modules

Each EMM has one temperature sensor

Backplane Board

Connectors

• 24 SAS hard drive connectors

• Two power supply/cooling fan module

connectors

• Two sets of EMM connectors

(6 connectors each EMM)

• One control panel connector for front

LEDs and enclosure mode switch

Sensors

Two temperature sensors