Product comparison · 2 keyboards

HP 803821-221 keyboard Office PS/2 Czech Black vs HP Z9N39AA keyboard Office RF Wireless Black

13specifications compared
4differ
9identical
17known for one product only

Key differences

Connectivity technology
- 803821-221 keyboard Office PS/2 Czech Black:Wired
- Z9N39AA keyboard Office RF Wireless Black:Wireless
Device interface
- 803821-221 keyboard Office PS/2 Czech Black:PS/2
- Z9N39AA keyboard Office RF Wireless Black:RF Wireless
Keyboard key switch
- 803821-221 keyboard Office PS/2 Czech Black:Membrane
- Z9N39AA keyboard Office RF Wireless Black:Mechanical
Power source type
- 803821-221 keyboard Office PS/2 Czech Black:PS/2
- Z9N39AA keyboard Office RF Wireless Black:Battery

Side by side

Differences highlightedShow differences only

Comparison of 803821-221, Z9N39AA
30 specifications	A HP 803821-221 keyboard Office PS/2 Czech Black Model 803821-221 View product	B HP Z9N39AA keyboard Office RF Wireless Black Model Z9N39AA View product
Keyboard3 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	PS/2	RF Wireless
Keyboard key switchDiffers	Membrane	Mechanical
USB hubKnown for one	Unknown — not stated by the source	No
PurposeKnown for one	Unknown — not stated by the source	PC/Server
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Country of originKnown for one	Unknown — not stated by the source	China
Keyboard languageKnown for one	Czech	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Designidentical
HP segmentKnown for one	Unknown — not stated by the source	Business
Power1 differ
Power source typeDiffers	PS/2	Battery
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery capacityKnown for one	Unknown — not stated by the source	3150 mAh
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64,
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	Unknown — not stated by the source	433 x 141 x 11.8 mm
Keyboard weightKnown for one	Unknown — not stated by the source	662.3 g
Packaging contentidentical
Receiver includedKnown for one	Unknown — not stated by the source	Yes
Wireless receiver interfaceKnown for one	Unknown — not stated by the source	USB Type-A
Receiver typeKnown for one	Unknown — not stated by the source	Nano receiver
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source

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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