Product comparison · 2 pcs/workstations

Dell OptiPlex 390 DT (X043900106E) vs Dell OptiPlex 790 SF (X037900106E)

Key differences

Maximum internal memory
- OptiPlex 390 DT (X043900106E):8 GB
- OptiPlex 790 SF (X037900106E):16 GB
Memory layout (slots x size)
- OptiPlex 390 DT (X043900106E):2 x 4 GB
- OptiPlex 790 SF (X037900106E):4 x 4 GB
Memory slots
- OptiPlex 390 DT (X043900106E):2x DIMM
- OptiPlex 790 SF (X037900106E):4x DIMM
Motherboard chipset
- OptiPlex 390 DT (X043900106E):Intel® H61
- OptiPlex 790 SF (X037900106E):Intel® Q65 Express
USB 2.0 ports quantity
- OptiPlex 390 DT (X043900106E):8
- OptiPlex 790 SF (X037900106E):10
DVI port
- OptiPlex 390 DT (X043900106E):Yes
- OptiPlex 790 SF (X037900106E):No
PS/2 ports quantity
- OptiPlex 390 DT (X043900106E):1
- OptiPlex 790 SF (X037900106E):2
Chassis type
- OptiPlex 390 DT (X043900106E):Desktop
- OptiPlex 790 SF (X037900106E):SFF

Differences highlightedShow differences only

Comparison of OptiPlex 390 DT (X043900106E), OptiPlex 790 SF (X037900106E)
117 specifications	A Dell OptiPlex 390 DT (X043900106E)View product	B Dell OptiPlex 790 SF (X037900106E)View product
Memory3 differ
Maximum internal memoryDiffers	8 GB	16 GB
Memory layout (slots x size)Differs	2 x 4 GB	4 x 4 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Storageidentical
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® H61	Intel® Q65 Express
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
DVI portDiffers	Yes	No
PS/2 ports quantityDiffers	1	2
COM ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Desktop	SFF
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	7.56 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.