10 PowerEdge R720 and R720xd Technical Guide
The PowerEdge R720 and R720xd are replacements for the predecessor R710 system, three systems 
which are compared in Table 3. For the latest information on supported features, visit Dell.com. 
 
Intel
®
 Xeon
®
 processors 5500 
and 5600 series 
Intel Xeon processor E5-2600  
product family 
Intel Xeon processor E5-2600  
product family 
Intel QuickPath Interconnect 
Intel QuickPath Interconnect 
Intel QuickPath Interconnect 
18 x 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 8 x 2.5” or 6 x 3.5”  
Up to 16 x 2.5“ or 8 x 3.5”  
Up to 24 x 2.5“+ 2 x 2.5” or 12 x 
3.5” + 2 x 2.5”  
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) 
4 x 1GbE with optional TOE 
Select Network Adapter: 
minimum configuration of  
4 x 1Gb, 10GbE (optional)  
Select Network Adapter: 
minimum configuration of  
4 x 1Gb, 10GbE (optional) 
Hot-plug, redundant power 
supply units: 570W or 870W 
Hot-plug, redundant power 
supply units: 495W, 750W, 
1100W, 1100W DC
1
 
Hot-plug, redundant power 
supply units: 495W, 750W, 
1100W, or 1100W DC
2
 
Dell OpenManage™ 
Dell Management Console 
Lifecycle Controller 1.x 
Dell OpenManage Essentials 
Dell Management Console 
Lifecycle Controller 2.x 
OpenManage Power Center 
Dell OpenManage Essentials 
Dell Management Console 
Lifecycle Controller 2.x 
OpenManage Power Center 
iDRAC6 (Express or Enterprise) 
with Lifecycle Controller 1.x 
iDRAC7 (Express or Enterprise) 
with Lifecycle Controller 2.x 
iDRAC7 (Express or Enterprise) 
with Lifecycle Controller 2.x 
2 x 300W (double wide) or 
4 x 150W (single wide) 
Hot-plug drives, 
redundant cooling, 
hot-plug, redundant power 
supply units, 
internal SD module 
Hot-plug drives, 
hot-plug redundant cooling, 
hot-plug redundant power 
supply units, 
internal dual SD module  
Hot-plug drives, 
hot-plug redundant cooling, 
hot-plug redundant power 
supply units, 
internal dual SD module 
1
GB means 1 billion bytes and TB means 1 trillion bytes; actual capacity varies with preloaded material and operating 
environment and will be less 
2
Available Q2 2012