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Product comparison · 2 pcs/workstations

Lenovo ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520 vs Lenovo ThinkStation D20 (4155-79G), UK

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  • 87specifications compared
  • 32differ
  • 55identical
  • 39known for one product only

Key differences

  • Processor family
    • Intel® Xeon® 3000 Sequence
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • W3520
    • E5507
  • Processor threads
    • 8
    • 4
  • Processor frequency
    • 2.66 GHz
    • 2.26 GHz
  • Processor cache
    • 8 MB
    • 4 MB
  • System bus rate
    • 4.80 GT/s
    • 4.8 GT/s
  • Processor series
    • Intel Xeon 3500 Series
    • Intel Xeon 5500 Series
  • Processor codename
    • Bloomfield
    • Nehalem EP

Side by side

Differences highlightedShow differences only
126 specifications
A

Lenovo

ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520

Model SNC94MD

View product
B

Lenovo

ThinkStation D20 (4155-79G), UKView product
Processor14 differ
Processor familyDiffersIntel® Xeon® 3000 SequenceIntel® Xeon® 5000 Sequence
Processor modelDiffersW3520E5507
Processor threadsDiffers84
Processor frequencyDiffers2.66 GHz2.26 GHz
Processor cacheDiffers8 MB4 MB
System bus rateDiffers4.80 GT/s4.8 GT/s
Processor seriesDiffersIntel Xeon 3500 SeriesIntel Xeon 5500 Series
Processor codenameDiffersBloomfieldNehalem EP
Thermal Design Power (TDP)Differs130 W80 W
TcaseDiffers67.9 °C76 °C
Number of QPI linksDiffers12
Maximum internal memory supported by processorDiffers24 GB144 GB
Memory clock speeds supported by processorDiffers800,1066 MHz800 MHz
Memory bandwidth supported by processor (max)Differs25.6 GB/s19.2 GB/s
Processor boost frequencyKnown for one2.93 GHz
Processor front side busKnown for one1066 MHz
Processor system typeKnown for oneUp
Number of Processing Die TransistorsKnown for one731 M
Processing Die sizeKnown for one263 mm²
CPU multiplier (bus/core ratio)Known for one20
Processor core voltage (AC)Known for one0.800 - 1.225 V
Memory1 differ
Internal memoryDiffers6 GB3 GB
Maximum internal memoryKnown for one96 GB
Memory layout (slots x size)Known for one3 x 1 GB
Memory typeKnown for oneDDR3 SDRAM
ECCKnown for oneYes
Storage1 differ
HDD interfaceDiffersSATASATA II
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Storage drive typeKnown for one500GB SATA/ 7200
HDD speedKnown for one7200 RPM
Performanceidentical
Motherboard form factorKnown for oneATX
Optical driveidentical
CD read speedKnown for one40x
Networkidentical
Modem typeKnown for oneNo
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers810
Ethernet LAN (RJ-45) portsDiffers12
Line-inKnown for oneYes
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsKnown for one2
DisplayPorts quantityKnown for one2
DVI-I ports quantityKnown for one1
Expansion slots2 differ
PCI Express x16 slotsDiffers21
PCI slotsDiffers12
Expansion slotsKnown for onePCI Express 2.0
PCI Express x1 slotsKnown for one1
PCI Express x4 slotsKnown for one1
Power1 differ
Power requirementsDiffers100-240V, 50/60Hz100-240V; 50/60Hz
Power supplyKnown for one1060 W
Designidentical
Form factorKnown for oneTower Tower (6x9)
Product colourKnown for oneBlack
Softwareidentical
Optional operating system suppliedKnown for oneWindows XP Professional
Compatible operating systemsKnown for oneWindows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Drivers includedKnown for oneYes
Processor special features6 differ
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Physical Address Extension (PAE)Differs36 bitYes
Processor ARK IDDiffers3971837100
Processor codeDiffersSLBEWSLBKC
Intel® Turbo Boost TechnologyDiffers1.0No
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
CPU configuration (max)Known for one1
Processor package sizeKnown for one42.5 x 45.0 mm
Supported instruction setsKnown for oneSSE4.2
Audioidentical
Audio systemKnown for oneADI 1988 A
Weight & dimensions4 differ
WidthDiffers175 mm210 mm
DepthDiffers483 mm579 mm
HeightDiffers426 mm485 mm
WeightDiffers17.5 kg24.9 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Keyboardidentical
Pointing deviceKnown for oneUSB Optical Wheel Mouse
Keyboard typeKnown for onePreferred Pro USB
Featuresidentical
Manageability featuresKnown for oneImage Ultra - HIIT Compliant Drivers - Vista Only, Secure Data Disposal, ThinkVantage Image Ultra Builder - Vista Support, ThinkVantage Update Builder, ThinkVantage Update Retriever
Other featuresidentical
Security featuresKnown for oneBoot sequence control, Boot without keyboard or mouse, Configuration password, Cover key lock, Diskette Boot inhibit, Diskette I/O control, Hardfile I/O control, Padlock loop, Power on password, Security slot (for attachment of optional cable lock), Ser

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