7 
SMU300 hardware 
The following table provides an overview of the hardware support offered by the SMU300: 
Area   
Rear 
•  PSU 
•  ETH0 port to the right of ETH1 port 
•  ETH1 port to the left of ETH0 port 
•  Serial port (COM1) 
Processor and RAM 
•  Core2 E7500 Series 
•  4 GB RAM DDR2 
•  2.93 Ghz 
  
Supported server releases 
See Hitachi NAS Platform, NAS Operating System 12.3 Release Notes or later for the most 
current values. 
SMU  CentOS Version   Supported 
Server Releases 
Number of Supported Servers / 
Cluster  
    HNAS OS 
SMU 300  SMU 400 
SMU 8.1   4.8.1  7.0, 8.2  5  Not supported 
SMU 10.1, 10.2   6.2  8.1, 8.2, 10.0, 10.2   5  5 
SMU 11.x   6.2  8.1, 8.2, 10.2, 11.x   5  5 
SMU 12.x  6.2  8.1, 8.2, 10.2, 11.x, 
12.x  
5  5