Product comparison · 2 keyboards

Lenovo 4X30H56874 keyboard Universal RF Wireless QWERTY US English Black vs Lenovo Essential Wireless Keyboard and Mouse Combo

16specifications compared
3differ
13identical
18known for one product only

Key differences

Connectivity technology
- 4X30H56874 keyboard Universal RF Wireless QWERTY US English Black:Wireless
- Essential Wireless Keyboard and Mouse Combo:Wired
Keyboard language
- 4X30H56874 keyboard Universal RF Wireless QWERTY US English Black:US English
- Essential Wireless Keyboard and Mouse Combo:Icelandic
Mouse included
- 4X30H56874 keyboard Universal RF Wireless QWERTY US English Black:No
- Essential Wireless Keyboard and Mouse Combo:Yes

Side by side

Differences highlightedShow differences only

Comparison of 4X30H56874, 4X30M39477
34 specifications	A Lenovo 4X30H56874 keyboard Universal RF Wireless QWERTY US English Black Model 4X30H56874 View product	B Lenovo Essential Wireless Keyboard and Mouse Combo Model 4X30M39477 View product
Keyboard2 differ
Connectivity technologyDiffers	Wireless	Wired
Keyboard languageDiffers	US English	Icelandic
Windows keysKnown for one	Yes	Unknown — not stated by the source
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
Designidentical
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Ergonomic designKnown for one	No	Unknown — not stated by the source
Surface colorationKnown for one	Monochromatic	Unknown — not stated by the source
Protection featuresKnown for one	Splash proof	Unknown — not stated by the source
Battery LED indicatorKnown for one	Yes	Unknown — not stated by the source
Wrist restKnown for one	Unknown — not stated by the source	No
Poweridentical
Power source typeKnown for one	Battery	Unknown — not stated by the source
Mouse1 differ
Mouse includedDiffers	No	Yes
Form factorKnown for one	Unknown — not stated by the source	Ambidextrous
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	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 & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	164 x 450 x 20 mm	Unknown — not stated by the source
Keyboard weightKnown for one	700 g	Unknown — not stated by the source
Packaging contentidentical
Receiver typeKnown for one	Nano receiver	Unknown — not stated by the source
Wireless receiver interfaceKnown for one	Unknown — not stated by the source	USB Type-A

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 keyboard comparisons

All keyboard comparisons