Dell PowerEdge M520 - 2 System Features; Comparison of Poweredge Systems; Table 2. Comparison of Poweredge M520, M620 and R420

7 PowerEdge M520 Technical Guide
2 System features
The new half-height M520 has more memory, processor cores, and networking options than ever
before. Features include the new family of Intel
®
Xeon
®
ES-2400 processors, DDR3 memory, PCI
Express 3.0, dual internal SD module, and the Dell next-generation iDRAC solution known as
iDRAC7 Enterprise with Lifecycle Controller.
Comparison of PowerEdge systems
Table 2 compares the features of the Dell™ PowerEdge™ M520 system with the features of similar
current- and previous-generation PowerEdge systems. For the latest information on supported
features, visit Dell.com/PowerEdge.
Table 2. Comparison of PowerEdge M520, M620 and R420
Feature
PowerEdge M520
PowerEdge M620
PowerEdge R420
Chassis;
enclosure
Half-height blade;
PowerEdge M1000e
Blade Enclosure
Half-height blade;
PowerEdge M1000e
Blade Enclosure
1U rack
Processors
Intel Xeon processors
E5-2400 series
Intel Xeon processor
E5-2600 and
E5-2600v2 product
families
Intel Xeon processor
E5-2400 series
Internal
interconnect
Intel QuickPath
Interconnect
Intel QuickPath
Interconnect
Intel QuickPath
Interconnect
Memory
12 x DDR3 RDIMM and
UDIMM
24 x DDR3 RDIMM,
UDIMM, and LRDIMM
12 x DDR3 RDIMM
Hard drive
bays
(hot plug)
2 x 2.5”
2 x 2.5”
4 x 3.5”
8 x 2.5”
Embedded
NIC
2 x 1GbE dual-port LOM
Dual Port Select
Network Adapter, 3
options of 2 x 10GbE
1 x 1GbE dual-port
LOM
RAID
S110, H310, H710, H710P
S110, H310, H710,
H710P
S110, H310, H710,
H710P, H810
Express Flash
drives
Not supported
Up to 2
Not supported
I/O slots
2 x PCIe 2.0 x8
mezzanine card slots
2 x PCIe 3.0 x8
mezzanine card slots
2 PCIe 3.0