Specifications

8 PowerEdge R720 and R720xd Technical Guide
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 (available Q2 2012), advanced system management, and hot-plug redundant
cooling. The R720 also supports optional dual internal RAID controllers and up to four optional
internal GPUs.
Table 2 lists the technical specifications for the PowerEdge R720 and R720xd systems. For the latest
information on supported features, visit Dell.com.
Feature
Specification
Form factor
2U rack
Processors
Intel
®
Xeon
®
processor E5-2600 product family
Processor sockets
2
Front side bus (FSB)
2 Intel QuickPath Interconnect (QPI) links; 6.4 GT/s; 7.2 GT/s; 8.0 GT/s
Cache
2.5MB per core; core options: 2, 4, 6, 8
Chipset
Intel C600
Memory
1
Up to 768GB (24 DIMM slots): 2GB/4GB/8GB/16GB/32GB DDR3 up to 1600MT/s
PCIe slots
R720:
7 PCIe slots:
One x16 full-length, full-height
Three x8 full-length, full-height
Three x8 half-length, half-height
R720xd:
6 PCIe slots:
Two x16 full-length, full-height
One x8 full-length, full-height
Three x8 half-length, half-height
RAID controller
Internal controllers:
PERC S110 (software RAID; R720 only)
PERC H310
PERC H710
PERC H710P
External HBAs (RAID):
PERC H810
External HBAs (non-RAID):
6Gbps SAS HBA
Hard drives
(hot-plug)
R720 drive bay options:
 Up to 16 x 2.5“
 Up to 8 x 2.5” + 8 x 2.5” (with dual RAID controllers)
 Up to 8 x 2.5”
 Up to 8 x 2.5” + 4 x 2.5” Express Flash
2
or up to 8 x 3.5”
R720xd drive bay options:
 Up to 24 x 2.5” (front) + 2 x 2.5” (back) or
 Up to 12 x 3.5” (front) + 2 x 2.5” (back)
Hard drive options:
 2.5” SAS SSD, SATA SSD, SAS (15K, 10K), nearline SAS (7.2K), SATA (7.2K)
 2.5” Express Flash PCIe SSD
2
(R720 only)
 3.5” SAS (15K), nearline SAS (7.2K), SATA (7.2K)
Self-encrypting drives (SEDs) available