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Product comparison · 2 pcs/workstations

HP Z640 Intel Xeon E5 v3 E5-2620V3 vs HP Z840 Intel Xeon E5 v3 E5-2620V3

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  • 118specifications compared
  • 10differ
  • 108identical
  • 15known for one product only

Key differences

  • Internal memory
    • 16 GB
    • 8 GB
  • Memory layout (slots x size)
    • 2 x 8 GB
    • 1 x 8 GB
  • Memory slots
    • 4x DIMM
    • 8x DIMM
  • Total storage capacity
    • 256 GB
    • 1 TB
  • Storage media
    • SSD
    • HDD
  • Power supply
    • 925 W
    • 850 W
  • Width
    • 175 mm
    • 203 mm
  • Depth
    • 464.8 mm
    • 525 mm

Side by side

Differences highlightedShow differences only
133 specifications
A

HP

Z640 Intel Xeon E5 v3 E5-2620V3

Model Z640

View product
B

HP

Z840 Intel Xeon E5 v3 E5-2620V3

Model Z840

View product
Memory3 differ
Internal memoryDiffers16 GB8 GB
Memory layout (slots x size)Differs2 x 8 GB1 x 8 GB
Memory slotsDiffers4x DIMM8x DIMM
Storage2 differ
Total storage capacityDiffers256 GB1 TB
Storage mediaDiffersSSDHDD
Total SSDs capacityKnown for one256 GB
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
SSD interfaceKnown for onePCI Express
Total HDDs capacityKnown for one1 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Networkidentical
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfacesidentical
DC-in jackKnown for oneYes
Serial ports quantityKnown for one1
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one1
PCI Express x4 (Gen 2.x) slotsKnown for one1
PCI Express x8 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI slotsKnown for one1
Power1 differ
Power supplyDiffers925 W850 W
Weight & dimensions4 differ
WidthDiffers175 mm203 mm
DepthDiffers464.8 mm525 mm
HeightDiffers444.5 mm444 mm
WeightDiffers15 kg21.1 kg

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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