Dell PowerEdge R720 User Manual

57 PowerEdge R720 and R720xd Technical Guide
Environmental specifications
Table 31 details the environmental specifications for the R720 and R720xd. For additional
information about environmental measurements for specific system configurations, see
Dell.com/environmental_datasheets.
Table 31. Environmental specifications
Fresh Air: temperature, humidity, altitude de-rating
Continuous
operation
10°C to 35°C (50°F to 95°F) at 10% to 80% relative humidity with 26°C (78.8°F) maximum
dew point (maximum wet bulb temperature). De-rate maximum allowable dry bulb
temperature at 1°C per 300m above 950m (1°F per 547 ft above 3117 ft).
Expanded
operation
When operating in the expanded temperature range, system performance may be impacted,
and ambient temperature warnings may be reported on the LCD and in the System Event
Log.
≤ 10% of annual operating hours: 5°C to 10°C and 35°C to 40°C (with no direct sunlight on
the equipment) at 5% to 85% relative humidity with 26°C dew point (maximum wet bulb
temperature). 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 (95°F to 104°F), de-rate maximum allowable dry bulb
temperature by 1°C per 175m above 950m (1°F per 319 ft above 3117 ft).
≤ 1% of annual operating hours: –5°C to 5°C and 40°C to 45°C (with no direct sunlight on
the equipment) at 5% to 90% relative humidity with 26°C dew point (maximum wet bulb
temperature). 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 (104°F to 113°F), de-rate maximum allowable dry bulb
temperature by 1°C per 125m above 950m (1°F per 228 ft above 3117 ft).
Expanded operation restrictions:
 No cold startup below 5°C
 Maximum altitude for the operating temperature must be 3050m (10,000ft)
 Redundant power supplies are required
 Not supported:
- Express Flash PCIe SSD
- GPU
- LRDIMM
- 130W 4-core processors
- Non-redundant power supplies
- Peripheral cards not qualified by Dell
- Peripheral cards greater than 25W
 For the PowerEdge R720, a maximum 130W processor is supported in either the 8-drive
bay or 16-drive bay chassis.
 The following additional restrictions apply to PowerEdge R720xd:
- Maximum 95W processor is supported on 3.5-inch hard drive chassis
- Maximum 115 W processor is supported on 2.5-inch hard drive chassis
- Only SSDs are supported in the hard drive slots on the back of the 3.5-inch hard
drive chassis.
Temperature
Operating
See Fresh Air for temperature information
Storage
–40
o
C to 65
o
C (-40
o
F to 149
o
F) with a maximum temperature gradation of 20
o
C per hour
Relative humidity
Operating
See Fresh Air for relative humidity information

Dell PowerEdge R720 Specifications

General

Tcase	77.4 °C
Bus type	QPI
Stepping	C2
FSB Parity	No
Scalability	2S
Processor cache	15 MB
Processor cores	6
Processor model	E5-2620
System bus rate	7.2 GT/s
Processor series	Intel Xeon E5-2600
Processor socket	LGA 2011 (Socket R)
Processor threads	12
Processor codename	Sandy Bridge EP
Motherboard chipset	Intel C600
Number of QPI links	2
Processor frequency	2 GHz
Processor cache type	Smart Cache
Processor manufacturer	Intel
Processor package size	52.5 x 45.0 mm
Processor front side bus	- MHz
Processor boost frequency	2.5 GHz
Processor operating modes	64-bit
ECC supported by processor	Yes
Graphics & IMC lithography	32 nm
PCI Express configurations	x4, x8, x16
Supported instruction sets	AVX
Thermal Design Power (TDP)	95 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	25
Physical Address Extension (PAE)	46 bit
Maximum number of PCI Express lanes	40
Memory types supported by processor	DDR3-SDRAM
Memory channels supported by processor	Quad
Memory clock speeds supported by processor	800, 1066, 1333 MHz
Memory bandwidth supported by processor (max)	42.6 GB/s
Maximum internal memory supported by processor	750 GB
HDD size	2.5 \
Optical drive type	DVD-RW
Total storage capacity	- GB
Maximum storage capacity	32 TB
Number of HDDs installed	-
Number of HDDs supported	8
Memory slots	24x DIMM
Internal memory	8 GB
Memory clock speed	1333 MHz
Maximum internal memory	768 GB
Cabling technology	10/100/1000Base-T(X)
USB 2.0 ports quantity	4
PCI Express slots version	3.0
Power supply	750 W
Compatible operating systems	Microsoft Windows Server 2012 \\r Microsoft Windows Server 2012 Essentials\\r Microsoft Windows Server 2008 R2 \\r Novell SUSE Linux Enterprise Server\\r Red Hat Enterprise Linux
Sustainability certificates	ENERGY STAR
Chassis type	Rack (2U)
Processor ARK ID	64594
Intel® Turbo Boost Technology	1.0
Intel Secure Key Technology version	1.00
Intel Identity Protection Technology version	0.00

Weight and Dimensions

Width	- mm