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Product comparison · 2 pcs/workstations

Dell Optiplex 790 MTV vs Dell OptiPlex 990 USFF

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  • 140specifications compared
  • 17differ
  • 123identical
  • 7known for one product only

Key differences

The Dell OptiPlex 990 USFF has 70 GB more total storage capacity than the Dell Optiplex 790 MTV (320 GB vs 250 GB). The Dell OptiPlex 990 USFF has 70 GB more HDD capacity than the Dell Optiplex 790 MTV (320 GB vs 250 GB). The Dell Optiplex 790 MTV has 1,800 RPM more HDD speed than the Dell OptiPlex 990 USFF (7200 RPM vs 5400 RPM). HDD interface: SATA on the Dell Optiplex 790 MTV, SATA II on the Dell OptiPlex 990 USFF. Motherboard chipset: Intel® Q65 Express on the Dell Optiplex 790 MTV, Intel® Q67 Express on the Dell OptiPlex 990 USFF.

  • Total storage capacity
    • 250 GB
    • 320 GB
  • HDD capacity
    • 250 GB
    • 320 GB
  • HDD interface
    • SATA
    • SATA II
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Motherboard chipset
    • Intel® Q65 Express
    • Intel® Q67 Express
  • USB 2.0 ports quantity
    • 10
    • 7
  • Number of 3.5" bays
    • 2
    • 1

Side by side

Differences highlightedShow differences only
147 specifications
A

Dell

Optiplex 790 MTVView product
B

Dell

OptiPlex 990 USFFView product
Memoryidentical
Memory slotsKnown for one4x DIMM
Storage5 differ
Total storage capacityDiffers250 GB320 GB
HDD capacityDiffers250 GB320 GB
HDD interfaceDiffersSATASATA II
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
Performance1 differ
Motherboard chipsetDiffersIntel® Q65 ExpressIntel® Q67 Express
Password protection typeKnown for oneBIOS
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers107
Expansion slots1 differ
Number of 3.5" baysDiffers21
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one2
PCI slotsKnown for one1
Mini PCI Express slotsKnown for one1
Power1 differ
Power supplyDiffers265 W200 W
Design2 differ
Chassis typeDiffersMini TowerUSFF
Number of 5.25" baysDiffers21
Cable lock slotKnown for oneYes
Software1 differ
Operating system architectureDiffers32-bit64-bit
Weight & dimensions5 differ
WidthDiffers175 mm65 mm
DepthDiffers417 mm240 mm
HeightDiffers360 mm237 mm
WeightDiffers8.87 kg3.27 kg
Dimensions (WxDxH)Differs175 x 417 x 360 mm65 x 240 x 237 mm

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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