Datasheet

Chapter 3: About Your RAID Controller ● 24
About the Adaptec RAID 51245
The Adaptec RAID 51245 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) 16
Standard cache 512 MB DDR2
Connectors, Internal 3 mini-SAS x4 (SFF-8087)
Connectors, External 1 mini-SAS x4 (SFF-8088)
Maximum number of disk drives 16 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
page 19)
Ext. Alarm
Aggregate Activity
Reserved
CN0
CN2
CN1
I2C, CN0
I2C, CN1
Mode 0 Flash
I2C, CN2
CN6
Activity CN2
Activity
CN0, CN1
Battery connector
1 external
mini-SAS
connector
3 internal
mini-SAS
connectors