Product comparison · 2 pcs/workstations

Dell 790 SFF vs Dell 790 USFF

125specifications compared
12differ
113identical
10known for one product only

Key differences

The Dell 790 SFF has 8 GB more maximum internal memory than the Dell 790 USFF (16 GB vs 8 GB). The Dell 790 SFF has 2 x DIMM more memory slots than the Dell 790 USFF (4x DIMM vs 2x DIMM). The Dell 790 SFF has 3 more USB 2.0 ports quantity than the Dell 790 USFF (10 vs 7). Chassis type: SFF on the Dell 790 SFF, USFF on the Dell 790 USFF. Package dimensions (WxDxH): 401.6 x 258.8 x 489 mm on the Dell 790 SFF, 365.3 x 244.6 x 485.9 mm on the Dell 790 USFF.

Maximum internal memory
- 790 SFF:16 GB
- 790 USFF:8 GB
Memory slots
- 790 SFF:4x DIMM
- 790 USFF:2x DIMM
USB 2.0 ports quantity
- 790 SFF:10
- 790 USFF:7
Headphone outputs
- 790 SFF:3
- 790 USFF:2
Power supply
- 790 SFF:240 W
- 790 USFF:200 W
Chassis type
- 790 SFF:SFF
- 790 USFF:USFF
Width
- 790 SFF:92.6 mm
- 790 USFF:65 mm
Depth
- 790 SFF:312 mm
- 790 USFF:240 mm

Side by side

Differences highlightedShow differences only

Comparison of 790 SFF, 790 USFF
135 specifications	A Dell 790 SFF View product	B Dell 790 USFF View product
Memory2 differ
Maximum internal memoryDiffers	16 GB	8 GB
Memory slotsDiffers	4x DIMM	2x DIMM
Storageidentical
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Card reader integratedKnown for one	Unknown — not stated by the source	No
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	10	7
Headphone outputsDiffers	3	2
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
Number of 3.5" baysKnown for one	1	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	240 W	200 W
Design1 differ
Chassis typeDiffers	SFF	USFF
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Softwareidentical
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	92.6 mm	65 mm
DepthDiffers	312 mm	240 mm
HeightDiffers	290 mm	236.7 mm
WeightDiffers	5.7 kg	3.27 kg
Packaging data2 differ
Package dimensions (WxDxH)Differs	401.6 x 258.8 x 489 mm	365.3 x 244.6 x 485.9 mm
Package weightDiffers	6.89 kg	4.34 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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