Dell PowerEdge R250 EMC Technical Specifications - Page 8

Storage controller specifications The PowerEdge R250 system supports the following controller cards: Table 9. PowerEdge R250 storage controller cards Internal controllers ● H345 ● H755 ● HBA355i ● S150 External controllers ● HBA355e Drives The PowerEdge R250 system supports: ● 4 x 3.5-inch non-hot plug SATA (HDD/SSD) drives. ● 2 x 3.5-inch non-hot plug SATA (HDD/SSD) drives. ● 4 x 3.5-inch hot plug SAS, SATA Ports and connectors specifications USB ports specifications Table 10. PowerEdge R250 USB ports specifications Front Rear USB port type No. of ports USB port type No. of ports USB 2.0- One compliant port USB 3.0 port One iDRAC Direct port One (Micro-AB USB 2.0-compliant port) USB 2.0 port One Internal (Optional) USB port type No. of ports Internal USB 3.0- One compliant port NOTE: The micro USB 2.0 compliant port can only be used as an iDRAC Direct or a management port. NIC port specifications The PowerEdge R250 system supports up to two 10/100/1000 Mbps Network Interface Controller (NIC) ports embedded on the LAN on Motherboard (LOM) and integrated on the optional Open Compute Project (OCP) cards. Table 11. NIC port specification for the system Feature LOM card Specifications 1 GbE x 2 Serial connector specifications The PowerEdge R250 system supports one optional card type serial connector on rear of the system, which is a 9-pin connector, Data Terminal Equipment (DTE), 16550-compliant . The process to install the optional serial connector card is similar to an expansion card filler bracket. 8 Technical specifications