About the Adaptec SATA/SAS 1405 Controller
The Adaptec SATA/SAS 1405 controller is a low-profile PCIe controller with these features:
Form factor
Bus compatibility
PCIe bus width
PCIe bus speed
Phys
Connectors, internal
Simple volume
Disk drives
Maximum number of devices
Enclosure management support
Native Command Queuing (NCQ)
Chapter 2: About SATA/SAS Controllers
Low-profile
PCIe
x4
2.5 Gbps
4
1 mini-SAS x4 (SFF-8087)
Yes
SAS (3.0 Gbps), SATA I (1.5 Gbps),
SATA II (3.0 Gbps)
4 direct-attached devices or up to
128 using expander technology
and SGPIO
I2C
Yes
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