Product comparison · 2 interface cards/adapters

Dell Paralle/2nd Serial Port vs Dell UN939 interface cards/adapter Internal SAS

4specifications compared
3differ
1identical
6known for one product only

Key differences

Host interface
- Paralle/2nd Serial Port:USB
- UN939 interface cards/adapter Internal SAS:PCIe
Output interface
- Paralle/2nd Serial Port:Parallel, Serial
- UN939 interface cards/adapter Internal SAS:SAS
Compatibility
- Paralle/2nd Serial Port:OptiPlex 990 MT
- UN939 interface cards/adapter Internal SAS:Dell PowerEdge / PowerVault

Side by side

Differences highlightedShow differences only

Comparison of Paralle/2nd Serial Port, UN939
10 specifications	A Dell Paralle/2nd Serial Port View product	B Dell UN939 interface cards/adapter Internal SAS Model UN939 View product
Ports & interfaces2 differ
Host interfaceDiffers	USB	PCIe
Output interfaceDiffers	Parallel, Serial	SAS
Expansion card form factorKnown for one	Full-height	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Green
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Other features1 differ
CompatibilityDiffers	OptiPlex 990 MT	Dell PowerEdge / PowerVault
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired

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.

More interface cards/adapters comparisons

All interface cards/adapters comparisons