Dell R840 Technical Specifications
Dell EMC PowerEdge R840
Technical Specifications
Reg ula tor y M ode l: E49 S S eries
Reg ula tor y T ype : E 49S 001
Apr il 202 1
Rev . A 09
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
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Contents
Chapter 1: Technical specifications............................................................................................... 4
Chassis dimensions..............................................................................................................................................................4
Chassis weight..................................................................................................................................................................... 5
Processor specifications.................................................................................................................................................... 5
Supported operating systems...........................................................................................................................................5
PSU specifications.............................................................................................................................................................. 5
System battery specifications.......................................................................................................................................... 6
Expansion card riser specifications................................................................................................................................. 6
Memory specifications........................................................................................................................................................7
RAID controller specifications.......................................................................................................................................... 8
Drive specifications............................................................................................................................................................. 9
Drives................................................................................................................................................................................9
Optical drives.................................................................................................................................................................. 9
Tape drives...................................................................................................................................................................... 9
Ports and connectors specifications...............................................................................................................................9
USB ports........................................................................................................................................................................ 9
NIC ports........................................................................................................................................................................10
VGA ports...................................................................................................................................................................... 10
Serial connector............................................................................................................................................................10
IDSDM or vFlash module............................................................................................................................................ 10
Video specifications............................................................................................................................................................11
Environmental specifications........................................................................................................................................... 11
Standard operating temperature.............................................................................................................................. 12
Expanded operating temperature.............................................................................................................................12
Particulate and gaseous contamination specifications ...................................................................................... 15
Contents 3
Technical specifications
The technical and environmental specifications of your system are outlined in this section.
Topics:
• Chassis dimensions
• Chassis weight
• Processor specifications
• Supported operating systems
• PSU specifications
• System battery specifications
• Expansion card riser specifications
• Memory specifications
• RAID controller specifications
• Drive specifications
• Ports and connectors specifications
• Video specifications
• Environmental specifications
1
Chassis dimensions
Figure 1. Dimensions of PowerEdge R840 system
4 Technical specifications
Table 1. Dimensions of PowerEdge R840 system
Xa Xb
482 mm
(18.97
inches)
* - Zb refers to the nominal rear wall external surface, where the system board I/O connectors are located.
(without
brackets)
434 mm
(17.08
inches)
Xb (w
brackets)
444.0 (17.48
inches)
Y Za (with
86.8 mm
(3.41
inches)
bezel)
37.84 mm
(1.41 inches)
Za
(without
bezel)
23.9 mm
(0.94
inches)
Zb* Zc (with
812 mm
(31.96
inches)
PSU
handle)
842 mm
(33.14
inches)
Chassis weight
Table 2. Chassis weight
System Maximum weight (with all drives/SSDs)
2.5 inch 36.6 kg (80.68 lb)
Processor specifications
The PowerEdge R840 system supports four processors - Intel Xeon Scalable Processor family.
Zc (with
chassis
rear wall
handle)
902 mm
(35.51
inches)
Supported operating systems
The PowerEdge R840 supports the following operating systems:
● Canonical Ubuntu LTS
● Citrix Hypervisor
● Microsoft Windows Server with Hyper-V
● Red Hat Enterprise Linux
● SUSE Linux Enterprise Server
● VMware ESXi
For more information on the specific versions and additions, see https://www.dell.com/support/home/Drivers/SupportedOS/
poweredge-r840.
PSU specifications
The PowerEdge R840 system supports up to two AC or DC power supply units (PSUs).
Table 3. PSU specifications
PSU Class Heat
dissipation
(maximum)
750 W AC Platinum 2891
BTU/hr
Frequency Voltage High line
50/60 Hz 100–240 V
AC,
autoranging
200V–240
V
750 W 750 W NA 10 A-5 A
Low line
100 V– 140
V
DC Current
750 W AC Titanium 2843
BTU/hr
750 W
Mixed Mode
HVDC (for
China only)
Platinum 2891
BTU/hr
50/60 Hz 200–240 V
AC,
autoranging
50/60 Hz 100–240 V
AC,
autoranging
750 W NA NA 5 A
750 W 750 W NA 10 A-5 A
Technical specifications 5
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