Dell External R720 T Technical Manual page 21

The R720 and R720xd support up to two processors with up to eight cores per processor. Table 6
lists the Intel Xeon processors supported by the PowerEdge R720 and R720xd. For the latest
information on supported processors, visit Dell.com.
Model
1
E5-2690
E5-2680
E5-2670
E5-2667
E5-2665
E5-2660
E5-2650L
E5-2650
E5-2643
E5-2640
E5-2637
E5-2630
E5-2630L
E5-2620
E5-2609
E5-2603
1
Not supported on the R720xd 3.5-inch chassis.
For information on processor installation and configuration, see the
R720xd Owner's Manual
The R720 supports GPU technology, which can provide accelerated performance for a variety of
applications, including virtual desktop infrastructure (VDI) and HPC implementations.
The R720xd does not support internal or external GPUs.
The R720 can support two 300W, full-length, double-wide GPUs or up to four 150W, full-length,
single-wide GPUs. Each GPU can support up to 6GB of dedicated GDDR5 memory and is either
actively or passively cooled. The GPUs are installed on the PCIe x16 2.0 interfaces available on riser 2
and GPU-optional riser 3. A system must have the optional riser 3 with a single x16 slot to support
more than two GPUs.
PowerEdge R720 and R720xd Technical Guide
21
Speed Cache
2.9GHz 20M
2.7GHz 20M
2.6GHz 20M
2.9GHz 15M
2.4GHz 20M
2.2GHz 20M
1.8GHz 20M
2.0GHz 20M
3.3GHz 10M
2.5GHz 15M
3.0GHz 5M
2.3GHz 15M
2.0GHz 15M
2.0GHz 15M
2.4GHz 10M
1.8GHz 10M
on Support.Dell.com/Manuals.
QPI Cores
8.0GT/s 8
8.0GT/s 8
8.0GT/s 8
8.0GT/s 6
8.0GT/s 8
8.0GT/s 8
8.0GT/s 8
8.0GT/s 8
8.0GT/s 4
7.2GT/s 6
8.0GT/s 2
7.2GT/s 6
7.2GT/s 6
7.2GT/s 6
6.4GT/s 4
6.4GT/s 4
Dell PowerEdge R720 and
Turbo TDP
Yes 135W
Yes 130W
Yes 115W
Yes 130W
Yes 115W
Yes 95W
Yes 70W
Yes 95W
Yes 130W
Yes 95W
Yes 80W
Yes 95W
Yes 60W
Yes 95W
No 80W
No 80W