Chapter 2. Entry-level systems  15
2.2  N32x0 common features
Table 2-2 provides ordering information for N32x0 systems.
Table 2-2   N3150 and N32x0 configurations
Table 2-3 provides ordering information for N32x0 systems with Mezzanine cards.
Table 2-3   N32x0 controller configuration
Table 2-4 provides information about the maximum number of supported shelves by 
expansion type.
 
Table 2-4   Number of shelves that are supported
Model Form factor HDD PSU Select Process Control Module
N3150-A15, a25 2U chassis 12 SAS 3.5â 2 One or two controllers, each with no 
mezzanine card
N3220-A12, A22 2U chassis 24 SFF SAS 2.5â 2 One or two controllers, each with:
ň° Dual FC mezzanine card or
ň° Dual 10 GE mezzanine card
N3240-A14, A24 4U chassis 24 SATA 3.5â 4
Feature code Configuration
2030 Controller with dual-port FC Mezzanine Card (include SFP+)
2031 Controller with dual-port 10 GbE Mezzanine Card (no SFP+)
Expansion shelf 
(Total of 114 disks)
Number of supported shelves
ESN 3000 Up to five shelves (each with up to 24 x 3.5â SAS or SATA disk drives)
EXN 3500 Up to five shelves (each with up to 24 x 2.5â SAS disk drives, or SSD)
EXN 4000 Up to six shelves (each with up to 14 x 3.5â SATA disk drives)