Reference Guide

USB ports
The Dell EMC PowerEdge FC640 system supports:
One USB 3.0-compliant port on the front of the system
One micro USB/iDRAC direct USB 2.0-compliant port on the front of the system
One USB 3.0-compliant internal port
NOTE: The micro USB 2.0-compliant port on the front of the system can only be used as an iDRAC Direct or a
management port.
Internal Dual SD Module
The Dell EMC PowerEdge FC640 system supports two internal micro SD cards dedicated for the hypervisor. This card offers the following
features:
Dual card operation — maintains a mirrored configuration by using micro SD cards in both slots and provides redundancy.
Single card operation — single card operation is supported, but without redundancy.
NOTE: One IDSDM card slot is dedicated for redundancy. It is recommended to use Dell branded micro SD cards
associated with the IDSDM/micro SD vFlash configured systems.
Micro SD vFlash connector
The Dell EMC PowerEdge FC640 system supports one dedicated micro SD card for vFlash support.
Video specifications
Table 4. Video specifications
Features Specifications
Video type Matrox G200 graphics controller integrated with iDRAC
Video memory 4 GB DDR4 shared with iDRAC application memory
Environmental specifications
NOTE:
For additional information about environmental certifications, please refer to the Product Environmental
Datasheet located with the Manuals & Documents on www.dell.com/poweredgemanuals
Table 5. Temperature specifications
Temperature Specifications
Storage –40°C to 65°C (–40°F to 149°F)
Continuous operation (for altitude less than 950 m or 3117
ft)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
Maximum temperature gradient (operating and storage) 20°C/h (68°F/h)
Table 6. Relative humidity specifications
Relative humidity Specifications
Storage 5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be
non-condensing at all times.
Operating 10% to 80% relative humidity with 26°C (78.8°F) maximum dew point.
Technical specifications 7