Adaptec 6805Q 2270700-R User Manual

Product codes
2270700-R
Page of 155
Chapter 3: About Your RAID Controller
26
About the Adaptec RAID 52445
The Adaptec RAID 52445 is a SAS RAID controller with these features:
Form Factor
Full Height, Half Length
Bus compatibility
PCIe 1.1
PCIe bus width
x8
Data transfer rate
3 Gb/s per port
Phys (Unified Serial Ports)
28
Standard cache
512 MB DDR2
Connectors, Internal
6 mini-SAS x4 (SFF-8087)
Connectors, External
1 mini-SAS x4 (SFF-8088)
Maximum number of disk drives
28 direct-attached (or up to 256 with expanders)
Enclosure Support
I2C and SGPIO (Serial General Purpose Input/Output)
Onboard speaker
Yes
Battery Backup Module
Adaptec Battery Module 800/800T (sold separately—see 
CN0
CN1
CN2
CN3
I2C, CN0
I2C, CN1
Mode 0 Flash connector
CN4 CN5
Ext. Alarm
Aggregate Activity
Reserved
Activity CN4, CN5
Activity CN2, CN3
I2C, CN4
I2C, CN3
I2C, CN5
CN6
Activity
CN0, CN1
I2C, CN2
Battery connector
1 external 
mini-SAS 
connector
6 internal 
mini-SAS 
connectors