Product comparison · 2 keyboards

Lenovo 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black vs Lenovo 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black

21specifications compared
7differ
14identical
28known for one product only

Key differences

Connectivity technology
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:Wireless
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:Wired
Device interface
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:RF Wireless
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:USB
Keyboard language
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:Japanese
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:Czech
Purpose
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:Universal
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:PC/Server
Keyboard dimensions (WxDxH)
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:164 x 450 x 20 mm
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:424 x 146 x 20 mm
Keyboard weight
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:700 g
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:570 g
Mouse weight
- 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black:80 g
- 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black:69 g

Side by side

Differences highlightedShow differences only

Comparison of 4X30H56817, 4X30L79891
49 specifications	A Lenovo 4X30H56817 keyboard Mouse included Universal RF Wireless Japanese Black Model 4X30H56817 View product	B Lenovo 4X30L79891 keyboard Mouse included Universal USB QWERTZ Czech Black Model 4X30L79891 View product
Keyboard4 differ
Recommended usage	Universal	Universal
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard languageDiffers	Japanese	Czech
Pointing device	No	No
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
USB hub	No	No
PurposeDiffers	Universal	PC/Server
Fingerprint reader	No	No
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Security algorithmsKnown for one	128-bit AES	Unknown — not stated by the source
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Designidentical
Keyboard style	Straight	Straight
Wrist rest	No	No
Product colour	Black	Black
Surface coloration	Monochromatic	Monochromatic
Protection featuresKnown for one	Spill resistant	Unknown — not stated by the source
Battery LED indicatorKnown for one	Yes	Unknown — not stated by the source
BacklightKnown for one	Unknown — not stated by the source	No
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Ergonomic designKnown for one	Unknown — not stated by the source	No
Featuresidentical
Plug and Play	Yes	Yes
Mouseidentical
Mouse included	Yes	Yes
Form factor	Ambidextrous	Ambidextrous
Movement detection technologyKnown for one	Laser	Unknown — not stated by the source
Movement resolutionKnown for one	1600 DPI	Unknown — not stated by the source
Buttons quantityKnown for one	5	Unknown — not stated by the source
ScrollKnown for one	Yes	Unknown — not stated by the source
Scroll typeKnown for one	Wheel	Unknown — not stated by the source
Scrolling directionsKnown for one	Vertical	Unknown — not stated by the source
Mouse battery typeKnown for one	AA	Unknown — not stated by the source
Number of scroll wheelsKnown for one	1	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 95%	Unknown — not stated by the source
Weight & dimensions3 differ
Keyboard dimensions (WxDxH)Differs	164 x 450 x 20 mm	424 x 146 x 20 mm
Keyboard weightDiffers	700 g	570 g
Mouse dimensions (WxDxH)Known for one	64 x 113 x 34 mm	Unknown — not stated by the source
Mouse weightDiffers	80 g	69 g
Packaging contentidentical
Receiver includedKnown for one	Yes	Unknown — not stated by the source
Receiver typeKnown for one	Micro receiver	Unknown — not stated by the source
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	177 mm	Unknown — not stated by the source
Package depthKnown for one	541 mm	Unknown — not stated by the source
Package heightKnown for one	43 mm	Unknown — not stated by the source
Package weightKnown for one	1.15 kg	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes

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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