Reference Guide

9 PowerEdge R720 and R720xd Technical Guide
2 System features
Compared to the previous generation of Dell PowerEdge servers, the R720 and R720xd have more
drive bay options, more PCIe slots, a larger memory footprint, flexible I/O, Express Flash PCIe
solid-state drives, and advanced system management. The R720 also supports optional dual internal
RAID controllers and up to four optional internal GPUs.
Comparison of PowerEdge systems
The PowerEdge R720 and R720xd are replacements for the predecessor R710 system, three systems
which are compared in Table 2. For the latest information on supported features, visit
Dell.com/PowerEdge.
Table 2. Comparison of PowerEdge R710, R720 and R720xd
Feature
PowerEdge R710
PowerEdge R720
PowerEdge R720xd
Chassis
2U rack
2U rack
2U rack
Processors
Intel Xeon processors
5500 and 5600 series
Intel Xeon processor E5-
2600 or E5-2600 v2
product families
Intel Xeon processor E5-
2600 or E5-2600 v2
product families
Internal interconnect
Intel QuickPath
Interconnect
Intel QuickPath
Interconnect
Intel QuickPath
Interconnect
Memory
1
18 DDR3 RDIMM and
UDIMM
Up to 288GB
24 x DDR3 RDIMM,
UDIMM and LRDIMM
Up to 768GB
24 x DDR3 RDIMM,
UDIMM and LRDIMM
Up to 768GB
Hard drive bays
(hot plug)
Up to eight 2.5” or six
3.5”
Up to 16 2.5“ or eight
3.5”
Up to 24 2.5“+ two 2.5”
or 12 3.5” + two 2.5”
RAID controllers
PERC 6/i, SAS 6/iR,
PERC 6/E,
H200, H700, H800
PERC S110, H310, H710,
H710P, H810 (external);
supports multiple (2)
internal RAID controllers
PERC H310, H710,
H710P,
H810 (external)
PCIe slots
4 PCIe 2.0
6 PCIe 3.0
6 PCIe 3.0
Express Flash drives
Not supported
Up to 4
Not supported
Embedded NICs
4 1GbE with optional
TOE
Select Network Adapter:
minimum configuration
of 4 1Gb
Optional: 2 x 10GbE
Select Network Adapter:
minimum configuration
of 4 1Gb
Optional: 2 x 10GbE
Power supplies
Hot-plug, redundant
power supply units:
570W or 870W
Hot-plug, redundant
power supply units:
495W, 750W, 1100W,
1100W DC
Hot-plug, redundant
power supply units:
495W, 750W, 1100W, or
1100W DC
Power efficiency
Gold
Titanium
Titanium