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Dell PowerEdge M420 Systems Owner's Manual

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Technical Specifications

Processor  
Processor type One or two Intel Xeon processor E5-2400 or E5-2400v2 product family
Memory
Architecture 1600 MT/s or 1333 MT/s, DDR3 and LV-DDR3 DIMMs
Memory module sockets Six 240-pin
Memory module capacities
  RDIMMs 2 GB (single-rank), 4 GB (single- and dual-rank), 8 GB (dual-rank), 16 GB (dual-rank), and 32 GB (quad-rank)
  UDIMMs 8 GB (single-rank)
Minimum RAM 2 GB (single processor configuration)
Maximum RAM 192 GB
RAID Controller  
Controller type PERC (H310) RAID
Drives  
SSD Up to two 1.8 inch uSATA SSDs
Connectors
Front
  USB Two 4-pin, USB 2.0-compliant
Internal  
  SD

One internal SD card dedicated for the hypervisor

One for vFlash support or redundant hypervisor
Mezzanine Card  
Mezzanine slot One mezzanine PCIe x8 Gen 3 slot supporting dual-port Gb Ethernet, 10 Gb Ethernet, Fibre Channel FC8 and FC16, or Infiniband mezzanine cards
Video  
Video type Matrox G200 integrated with iDRAC
Video memory 8 MB shared with iDRAC application memory
Battery  
NVRAM backup battery CR 2032 3.0 V Lithium coin cell
Environmental  
  • NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets.
Storage Temperature   –40 °C to 65 °C (–40 °F to 149 °F) with a maximum temperature gradation of 20 °C per hour.
Standard Operating Temperature   Continuous operation: 10 °C to 35 °C at 10% to 80% relative humidity (RH), with 26 °C max dew point. De-rate maximum allowable dry bulb temperature at 1 °C per 300 m above 900 m (1 °F per 550 ft).
Expanded Operating Temperature    
   
  • NOTE: When operating in the expanded temperature range, system performance may be impacted.
  • NOTE: When operating in the expanded temperature range, ambient temperature warnings may be reported on the LCD and in the System Event Log.
  ≤ 10% of annual operating hours 5 °C to 40 °C at 5% to 85% RH with 26 °C dew point.
  • NOTE: Outside the standard operating temperature (10 °C to 35 °C), the system can operate down to 5 °C or up to 40 °C for a maximum of 10% of its annual operating hours.

For temperatures between 35 °C and 40 °C, de-rate maximum allowable dry bulb temperature by 1 °C per 175 m above 950 m (1 °F per 319 ft).

  ≤ 1% of annual operating hours –5 °C to 45 °C at 5% to 90% RH with 26 °C dew point.
  • NOTE: Outside the standard operating temperature (10 °C to 35 °C), the system can operate down to –5 °C or up to 45 °C for a maximum of 1% of its annual operating hours.

For temperatures between 40 °C and 45 °C, de-rate maximum allowable dry bulb temperature by 1 °C per 125 m above 950 m (1 °F per 228 ft).

Expanded Operating Temperature Restrictions   Dual-processor configurations are not supported.

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