SR301 Plus Series 
 
  │  24 
3-1 Storage Backplane Options 
SR301 Plus supports the below backplanes: 
  1 x 3.5” 4-port 12Gbps Mini-SAS HD passive backplane 
  1 x 3.5” 4-port 12Gbps SAS/SATA passive backplane 
 
All available SAS/SATA backplanes include the following common features: 
  12Gbps SAS and 6Gbps SAS/SATA 
  29-pin SFF-8680 12Gbps rated drive interface connectors, providing both power and I/O signals to attached devices 
  Hot-swap support for SAS/SATA devices 
  I2C interface from a 4-pin connector for device status communication to the BMC over SMBus   
  LEDs to indicate drive activity and status for each attached device