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 manufacturer	Intel	Intel
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2430L	E5-2403
Processor frequencyDiffers	2 GHz	1.8 GHz
Processor coresDiffers	6	4
Processor cacheDiffers	15 MB	10 MB
Motherboard chipset	Intel C600	Intel C600
Memory channels supported by processor	Triple	Triple
Number of processors installedDiffers	2	1
Thermal Design Power (TDP)Differs	60 W	80 W
Processor cache type	Smart Cache	Smart Cache
System bus rateDiffers	7.2 GT/s	6.4 GT/s
Bus type	QPI	QPI
ECC supported by processor	Yes	Yes
Embedded options available	No	No
Execute Disable Bit	Yes	Yes
FSB Parity	No	No
Idle States	Yes	Yes
Maximum internal memory supported by processor	375 GB	375 GB
Maximum number of PCI Express lanes	24	24
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
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Number of QPI links	1	1
Processor codeDiffers	SR0LL	SR0LS
Processor codename	Sandy Bridge EN	Sandy Bridge EN
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor package size	45 x 42.5 mm	45 x 42.5 mm
Processor series	Intel Xeon E5-2400	Intel Xeon E5-2400
Processor socket	LGA 1356 (Socket B2)	LGA 1356 (Socket B2)
Processor threadsDiffers	12	4
ScalabilityDiffers	S2S	2S
SteppingDiffers	C2	M1
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Processor boost frequencyKnown for one	2.5 GHz	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
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"
Optical drive type	No	No
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
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ethernet LAN	Yes	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Networking featuresDiffers	10 Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	2	2
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
Expansion slotsidentical
PCI Express slots version	3.0	3.0
Design1 differ
Chassis typeDiffers	Blade	Rack (2U)
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Processor special features3 differ
CPU configuration (max)	2	2
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	0.00	0.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Wireless Display (Intel® WiDi)	No	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.

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