All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 servers

Dell PowerEdge R640 server vs Lenovo ThinkSystem ST550

Add a product
  • 61specifications compared
  • 20differ
  • 41identical
  • 40known for one product only

Key differences

  • Processor family
    • Intel Xeon Silver
    • Intel® Xeon®
  • Processor model
    • 4116
    • 4110
  • Processor cores
    • 12
    • 8
  • Processor cache
    • 16.5 MB
    • 11 MB
  • Memory channels supported by processor
    • Hexa
    • Hepta
  • Memory types supported by processor
    • DDR4-SDRAM
    • LPDDR4-SDRAM
  • Processor threads
    • 24
    • 16
  • Tcase
    • 76 °C
    • 77 °C

Side by side

Differences highlightedShow differences only
101 specifications
A

Dell

PowerEdge R640 server

Model R640

View product
B

Lenovo

ThinkSystem ST550View product
Processor8 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel Xeon SilverIntel® Xeon®
Processor generation1st Generation Intel® Xeon® Scalable1st Generation Intel® Xeon® Scalable
Processor modelDiffers41164110
Processor frequency2.1 GHz2.1 GHz
Processor boost frequency3 GHz3 GHz
Processor coresDiffers128
Processor cacheDiffers16.5 MB11 MB
Memory channels supported by processorDiffersHexaHepta
Number of processors installed11
Thermal Design Power (TDP)85 W85 W
Processor cache typeL3L3
ECC supported by processorYesYes
Embedded options availableYesYes
Execute Disable BitYesYes
Maximum internal memory supported by processor768 GB768 GB
Maximum number of PCI Express lanes4848
Memory clock speeds supported by processor2400 MHz2400 MHz
Memory types supported by processorDiffersDDR4-SDRAMLPDDR4-SDRAM
Processor codenameSkylakeSkylake
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor package size76.0 x 56.5 mm76.0 x 56.5 mm
Processor socketLGA 3647 (Socket P)LGA 3647 (Socket P)
Processor threadsDiffers2416
Scalability2S2S
Supported instruction setsAVX, AVX 2.0, AVX-512, SSE4.2AVX, AVX 2.0, AVX-512, SSE4.2
TcaseDiffers76 °C77 °C
Conflict-Free processorYesYes
Processor codeKnown for oneSR3HQ
SteppingKnown for oneM0
Intelligent Platform Management Interface (IPMI) supportKnown for oneYes
Memory2 differ
Internal memory16 GB16 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory clock speed2666 MHz2666 MHz
Memory layout (slots x size)Known for one1 x 16 GB
Memory slotsDiffers2412
Maximum internal memoryDiffers192 GB768 GB
ECCKnown for oneYes
Storage3 differ
Maximum storage capacityKnown for one61.44 TB
HDD interfaceDiffersSerial Attached SCSI (SAS)Serial ATA, Serial Attached SCSI (SAS)
Supported HDD sizesDiffers2.5"2.5,3.5"
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 100, 1, 5, 6, 10, 50, 60
Supported RAID controllersKnown for one530-8i
Hot-Plug supportYesYes
Hot-swapKnown for oneYes
Total storage capacityKnown for one300 GB
Number of HDDs installedKnown for one1
HDD capacityKnown for one300 GB
HDD sizeKnown for one2.5"
Internal drive baysKnown for one8
Optical drive typeKnown for oneDVD±RW
Graphicsidentical
On-board graphics cardKnown for oneYes
On-board graphics card modelKnown for oneMatrox G200
Networkidentical
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Ethernet LANYesYes
LAN controllerKnown for oneBroadcom 5720
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers13
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers23
VGA (D-Sub) ports quantity11
Ethernet LAN (RJ-45) portsKnown for one4
Serial ports quantityKnown for one1
Expansion slots1 differ
PCI Express x8 (Gen 3.x) slotsDiffers32
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI Express slots version3.03.0
Design1 differ
Chassis typeDiffersRack (1U)Tower
Rack mountingKnown for oneYes
Rack railsKnown for oneYes
Performanceidentical
Performance managementKnown for oneXClarity Standard
Trusted Platform Module (TPM)Known for oneYes
Trusted Platform Module (TPM) versionKnown for one1.2
Remote administrationKnown for oneiDRAC9 Enterprise
Software1 differ
Compatible operating systemsDiffersCanonical Ubuntu LTS Citrix XenServer Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXiMicrosoft Windows Server 2016/2012 R2, Red Hat Enterprise Linux 7.3/6.9, SUSE, Linux Enterprise Server 12 SP2/11 SP4, VMware vSphere (ESXi) 6.5/6.0 U3
Processor special features1 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel 64YesYes
Intel TSX-NIYesYes
Intel TSX-NI version1.001.00
Intel Trusted Execution TechnologyYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers120481123547
Intel Secure BootKnown for oneYes
Poweridentical
Redundant power supply (RPS) supportKnown for oneYes
Power supplyKnown for one750 W
Number of main power suppliesKnown for one1
Power supply input frequencyKnown for one50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-10 - 60 °C
Operating relative humidity (H-H)Known for one20 - 80%
Storage relative humidity (H-H)Known for one8 - 90%
Operating altitudeKnown for one0 - 3048 m
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions1 differ
WidthKnown for one175.8 mm
DepthDiffers705 mm666.4 mm
HeightKnown for one425.5 mm
Other featuresidentical
Dell E-Value CodeKnown for onePER6402

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