Product comparison · 2 servers

Dell PowerEdge M420 server vs Dell PowerEdge R520 server

82specifications compared
24differ
58identical
17known for one product only

Key differences

Processor model
- PowerEdge M420 server:E5-2430L
- PowerEdge R520 server:E5-2403
Processor frequency
- PowerEdge M420 server:2 GHz
- PowerEdge R520 server:1.8 GHz
Processor cores
- PowerEdge M420 server:6
- PowerEdge R520 server:4
Processor cache
- PowerEdge M420 server:15 MB
- PowerEdge R520 server:10 MB
Number of processors installed
- PowerEdge M420 server:2
- PowerEdge R520 server:1
Thermal Design Power (TDP)
- PowerEdge M420 server:60 W
- PowerEdge R520 server:80 W
System bus rate
- PowerEdge M420 server:7.2 GT/s
- PowerEdge R520 server:6.4 GT/s
Memory bandwidth supported by processor (max)
- PowerEdge M420 server:32 GB/s
- PowerEdge R520 server:25 GB/s

Side by side

Differences highlightedShow differences only

Comparison of M420, R520
99 specifications	A Dell PowerEdge M420 server Model M420 View product	B Dell PowerEdge R520 server Model R520 View product
Processor13 differ
Processor modelDiffers	E5-2430L	E5-2403
Processor frequencyDiffers	2 GHz	1.8 GHz
Processor coresDiffers	6	4
Processor cacheDiffers	15 MB	10 MB
Number of processors installedDiffers	2	1
Thermal Design Power (TDP)Differs	60 W	80 W
System bus rateDiffers	7.2 GT/s	6.4 GT/s
Memory bandwidth supported by processor (max)Differs	32 GB/s	25 GB/s
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
Processor codeDiffers	SR0LL	SR0LS
Processor threadsDiffers	12	4
ScalabilityDiffers	S2S	2S
SteppingDiffers	C2	M1
Processor boost frequencyKnown for one	2.5 GHz	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	8 GB	2 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory slotsDiffers	6x DIMM	12x DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	192 GB
Storage4 differ
Maximum storage capacityDiffers	0.2 TB	24 TB
Total storage capacityDiffers	50 GB	500 GB
Number of HDDs installedDiffers	0	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	Serial ATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeDiffers	1.8"	3.5"
SSD capacityKnown for one	50 GB	Unknown — not stated by the source
RAID supportKnown for one	No	Unknown — not stated by the source
Hot-swapKnown for one	No	Unknown — not stated by the source
Network1 differ
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Networking featuresDiffers	10 Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
USB 2.0 ports quantityKnown for one	2	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Blade	Rack (2U)
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Processor special features3 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	64613	64615
Poweridentical
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	No
Number of power supply unitsKnown for one	Unknown — not stated by the source	1
Power supplyKnown for one	Unknown — not stated by the source	495 W
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More server comparisons

All server comparisons