User`s guide

Chapter 3: About Your RAID Controller 28
About the Adaptec RAID 2045
The
Adaptec RAID 2045
is a SAS RAID controller with these features:
Form Factor Low-profile MD2
Bus compatibility PCIe
PCIe bus width x8
PCIe bus speed 2.5 Gb/s
Phys (Unified Serial Ports) 4
Standard cache 128 MB DDR2
Connectors, external 1 mini-SAS x4 (SFF-8088)
Maximum number of disk drives 4 direct-attached (or up to 128 with expanders)
Enclosure Support I2C and SGPIO
Onboard speaker No
Battery Backup Module No
Mounting bracket
PCIe x8 connector
1 external mini-
SAS connector
CN1
Mode 0 Flash connector
Aggregate Activity