User`s guide

Chapter 3: About Your RAID Controller ● 21
About the Adaptec 4805SAS
The Adaptec 4805SAS is a SAS RAID controller with these features:
Note: Although this controller has an onboard speaker, you can connect it to an internal
speaker with these specifications: 3.0 V, 90.0 mA
. The internal speaker is not required, as the
onboard speaker volume is appropriate for most environments.
Bus compatibility PCI-E x8
I/O processor clock frequency 500 MHz
Standard cache
128 MB DDR2
1
1
256 MB also available
Maximum number of disk drives 8 (or up to 128 with expanders)
SAS cables included 2 (internal)
Battery backup module Adaptec Battery Module 600 (sold separately—see page 18)
Audible alarm Yes
One external
SAS
connector
Mounting
bracket
Two 4-wide internal
SAS connectors
PCI-E connector
Battery connector
Alarm connector
Mode 0 Flash connector
Activity LED connector
(top 2 left/right pins)