The Dell PowerEdge R420xr 1U, dual-socket rugged rack server built for military, telecom and other uses. It is designed for use in harsh environments that are constrained by size, weight and power (SWaP). The R420xr complies with the European Telecommunications Standards Institute (ETSI), Network Equipment Building System (NEBS) Level 3, and MIL-STD-810G specifications for temperature, shock and vibration. The server supports the E5-2400 & E5-2400v2 CPU product lines and comes in a 4 x 2.5" SATA/SAS/SSD Hot-Swap configuration. Your server will be built, tested and updated by our engineers before being shipped to you.