Specifications

7 PowerEdge M820 Technical Guide
2 System features
Compared to the previous generation of Dell PowerEdge blade servers, the M820 has more memory,
processor cores, and networking options than ever before. Features include DDR3 memory, PCI
Express 3.0, a network daughtercard (NDC), dual internal SD module, and Dell’s next-generation
iDRAC solution known as iDRAC7 Enterprise with Lifecycle Controller.
Comparison of PowerEdge systems
The PowerEdge M820 is a replacement for the M910 system. Table 2 compares the features of both
systems. For the latest information on supported features, visit Dell.com/PowerEdge.
Table 2. Comparing the PowerEdge M910 and M820
Feature
PowerEdge M910
PowerEdge M820
Chassis; enclosure
Full-height blade;
PowerEdge M1000e Blade Enclosure
Full-height blade;
PowerEdge M1000e Blade Enclosure
Processors
Intel Xeon processors 6500 and 7500
series, Intel Xeon processors
E7-2800, E7-4800 and E7-8800
product families
Intel Xeon processor E5-4600
product family
Internal interconnect
Intel QuickPath Interconnect
Intel QuickPath Interconnect
Memory
32 x DDR3 RDIMM and UDIMM
48 x DDR3 RDIMM and LRDIMM
Hard drive bays
(hot plug)
2 x 2.5”
4 x 2.5”
Embedded NIC
4 x 1GbE LOM
2 Dual Port Select Network Adapters:
3 options of 4 x 10GbE
RAID controller
PERC H200, H700
PERC H310, H710, H710P
Express Flash drives
Not supported
Up to 2
I/O slots
4 PCIe 2.0 x8 mezz card slots
4 x PCIe 3.0 x8 mezz card slots
Optional SD port
Yes
Yes (redundant hypervisor with vFlash
media)