SAS Expander configurations

A SAS expander treats all attached devices as one Box. Bay/drive numbering is determined by the attached SAS expander port.

SAS Expanders

Controller

Port

Connection

Box

Drive/Bay numbering

Total drives

1 SAS Expander

P440 Smart Array or H240 HBA

port 1

SAS Expander

box 1

1-24

24 LFF or SFF

2 SAS Expanders

P840 Smart Array

port 1

port 2

SAS Expander

box 1

1-24

48 SFF