User`s guide

Chapter 2: About SATA/SAS Controllers l14
About the Adaptec SATA/SAS 1045 Controller
The Adaptec SATA/SAS 1045 controller is a low-profile PCIe controller with these features:
Form factor Low-profile
Bus compatibility PCIe
PCIe bus width x4
PCIe bus speed 2.5 Gbps
Phys 4
Connectors, external 1 mini-SAS x4 (SFF-8088)
Simple volume Yes
Disk drives SAS (3.0 Gbps), SATA I (1.5 Gbps),
SATA II (3.0 Gbps)
Maximum number of devices 4 direct-attached devices or up to
128 using expander technology
Enclosure management support Supported via SAS expander
Native Command Queuing (NCQ) Yes