Product comparison · 2 servers

Dell PowerEdge R640 server vs Lenovo ThinkSystem ST550 server Tower Intel® Xeon® 4108

66specifications compared
23differ
43identical
33known for one product only

Key differences

Processor family
- PowerEdge R640 server:Intel Xeon Silver
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:Intel® Xeon®
Processor model
- PowerEdge R640 server:4116
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:4108
Processor frequency
- PowerEdge R640 server:2.1 GHz
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:1.8 GHz
Processor cores
- PowerEdge R640 server:12
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:8
Processor cache
- PowerEdge R640 server:16.5 MB
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:11 MB
Memory channels supported by processor
- PowerEdge R640 server:Hexa
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:Hepta
Embedded options available
- PowerEdge R640 server:Yes
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:No
Processor code
- PowerEdge R640 server:SR3HQ
- ThinkSystem ST550 server Tower Intel® Xeon® 4108:SR3GJ

Side by side

Differences highlightedShow differences only

Comparison of R640, ST550
99 specifications	A Dell PowerEdge R640 server Model R640 View product	B Lenovo ThinkSystem ST550 server Tower Intel® Xeon® 4108 Model ST550 View product
Processor11 differ
Processor familyDiffers	Intel Xeon Silver	Intel® Xeon®
Processor modelDiffers	4116	4108
Processor frequencyDiffers	2.1 GHz	1.8 GHz
Processor coresDiffers	12	8
Processor cacheDiffers	16.5 MB	11 MB
Memory channels supported by processorDiffers	Hexa	Hepta
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Xeon®
Embedded options availableDiffers	Yes	No
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Processor codeDiffers	SR3HQ	SR3GJ
Processor threadsDiffers	24	16
SteppingDiffers	M0	U0
TcaseDiffers	76 °C	77 °C
Intelligent Platform Management Interface (IPMI) supportKnown for one	Yes	Unknown — not stated by the source
Memory2 differ
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 16 GB
Memory slotsDiffers	24	12
Maximum internal memoryDiffers	192 GB	768 GB
Storage3 differ
Maximum storage capacityKnown for one	Unknown — not stated by the source	61.44 TB
HDD interfaceDiffers	Serial Attached SCSI (SAS)	Serial ATA, Serial Attached SCSI (SAS)
Number of HDDs supportedKnown for one	Unknown — not stated by the source	8
Number of SSDs supportedKnown for one	Unknown — not stated by the source	8
RAID levelsDiffers	0, 1, 5, 10	0, 1, 5, 6, 10, 50, 60
Supported RAID controllersKnown for one	Unknown — not stated by the source	930-8i
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Optical drive typeDiffers	DVD±RW	No
Total storage capacityKnown for one	300 GB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	300 GB	Unknown — not stated by the source
Internal drive baysKnown for one	8	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
On-board graphics card modelKnown for one	Unknown — not stated by the source	Matrox G200
Networkidentical
LAN controllerKnown for one	Broadcom 5720	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
Ethernet LAN (RJ-45) portsKnown for one	4	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x8 (Gen 3.x) slotsDiffers	3	2
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	2
Design1 differ
Chassis typeDiffers	Rack (1U)	Tower
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Rack railsKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Performance managementKnown for one	Unknown — not stated by the source	XClarity Standard
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM) versionKnown for one	Unknown — not stated by the source	1.2
Remote administrationKnown for one	iDRAC9 Enterprise	Unknown — not stated by the source
Software1 differ
Compatible operating systemsDiffers	Canonical Ubuntu LTS Citrix XenServer Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXi	Microsoft Windows Server 2016/2012 R2 Red Hat Enterprise Linux 6/7 x64 Linux Enterprise Server 12 SP2/11 SP4 VMware vSphere (ESXi) 6.5/6.0 U3
Processor special features1 differ
Processor ARK IDDiffers	120481	123544
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	Yes
Power supplyKnown for one	Unknown — not stated by the source	750 W
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	176 mm
DepthDiffers	705 mm	670 mm
HeightKnown for one	Unknown — not stated by the source	438 mm
Other featuresidentical
Dell E-Value CodeKnown for one	PER6402	Unknown — not stated by the source

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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