Product comparison · 2 keyboards

Lenovo 4X30E50999 keyboard Office USB QWERTY US English Black vs Lenovo 4X30E51020 keyboard USB QWERTY Italian Black

20specifications compared
2differ
18identical
15known for one product only

Key differences

Keyboard language
- 4X30E50999 keyboard Office USB QWERTY US English Black:US English
- 4X30E51020 keyboard USB QWERTY Italian Black:Italian

Side by side

Differences highlightedShow differences only

Comparison of 4X30E50999, 4X30E51020
35 specifications	A Lenovo 4X30E50999 keyboard Office USB QWERTY US English Black Model 4X30E50999 View product	B Lenovo 4X30E51020 keyboard USB QWERTY Italian Black Model 4X30E51020 View product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interface	USB	USB
Keyboard layout	QWERTY	QWERTY
Keyboard languageDiffers	US English	Italian
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
Keyboard number of keys	104	104
Windows keys	Yes	Yes
Smart card readerKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	FCC, UL, CB, ICES, CE, TUV GS, VCCI, C-Tick, BSMI, UK CoC, KCC, EMV, HBCI, FIPS 201
Recommended usageKnown for one	Office	Unknown — not stated by the source
Pointing deviceKnown for one	No	Unknown — not stated by the source
Designidentical
Backlight	No	No
Keyboard style	Straight	Straight
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Wrist rest	No	No
Adjustable keyboard heightKnown for one	Unknown — not stated by the source	Yes
Product colour	Black	Black
Surface colorationKnown for one	Unknown — not stated by the source	Monochromatic
Featuresidentical
Cable length	2.3 m	2.3 m
Poweridentical
Power consumptionKnown for one	Unknown — not stated by the source	250 mA
Power source typeKnown for one	USB	Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
System requirements1 differ
Windows operating systems supportedDiffers	Windows 7, Windows 8, Windows 8.1	Yes
Mac 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
Operational conditionsidentical
Operating temperature (T-T)	10 - 40 °C	10 - 40 °C
Operating relative humidity (H-H)	8 - 80%	8 - 80%
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)	457 x 185 x 35 mm	457 x 185 x 35 mm
Keyboard weight	1.06 kg	1.06 kg
Packaging contentidentical
Number of products included	1 pc(s)	1 pc(s)
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	480 mm
Package depthKnown for one	Unknown — not stated by the source	220 mm
Package heightKnown for one	Unknown — not stated by the source	45 mm
Package weightKnown for one	Unknown — not stated by the source	1.41 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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