Adaptec 6805Q 2270700-R User Manual

Chapter 3: About Your RAID Controller

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About the Adaptec RAID 2805

The Adaptec RAID 2805 is a SAS RAID controller with these features:

Form Factor

Low-profile MD2

Bus compatibility

PCIe 1.1

PCIe bus width

x8

Data transfer rate

3 Gb/s per port

Phys (Unified Serial Ports)

8

Standard cache

128 MB DDR2

Connectors, internal

2 mini-SAS x4 (SFF-8087)

Maximum number of disk drives

8 direct-attached (or up to 128 with expanders)

Enclosure Support

I2C and SGPIO (Serial General Purpose Input/Output)

Onboard speaker

No

Battery Backup Module

No

Mounting bracket

PCIe x8 connector

Drive Activity LED connector for CN0/CN1

Mode 0 Flash connector

Aggregate Activity

Internal mini-SAS 
connector CN0

I2C, CN0

Internal mini-SAS 
connector CN1

I2C, CN1