Product comparison · 2 keyboards

Lenovo 4X30M39458 keyboard Universal RF Wireless US English Black vs Lenovo Preferred Pro II

23specifications compared
7differ
16identical
29known for one product only

Key differences

Connectivity technology
- 4X30M39458 keyboard Universal RF Wireless US English Black:Wireless
- Preferred Pro II:Wired
Device interface
- 4X30M39458 keyboard Universal RF Wireless US English Black:RF Wireless
- Preferred Pro II:USB
Wrist rest
- 4X30M39458 keyboard Universal RF Wireless US English Black:No
- Preferred Pro II:Yes
Operating temperature (T-T)
- 4X30M39458 keyboard Universal RF Wireless US English Black:0 - 40 °C
- Preferred Pro II:10 - 40 °C
Operating relative humidity (H-H)
- 4X30M39458 keyboard Universal RF Wireless US English Black:20 - 95%
- Preferred Pro II:8 - 80%
Keyboard dimensions (WxDxH)
- 4X30M39458 keyboard Universal RF Wireless US English Black:155.5 x 424 x 20.5 mm
- Preferred Pro II:168.8 x 453.3 x 34.16 mm
Keyboard weight
- 4X30M39458 keyboard Universal RF Wireless US English Black:580 g
- Preferred Pro II:850 g

Side by side

Differences highlightedShow differences only

Comparison of 4X30M39458, Preferred Pro II
52 specifications	A Lenovo 4X30M39458 keyboard Universal RF Wireless US English Black Model 4X30M39458 View product	B Lenovo Preferred Pro II View product
Keyboard2 differ
Recommended usage	Universal	Universal
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Keyboard language	US English	US English
Pointing device	No	No
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
Keyboard keys operating lifeKnown for one	Unknown — not stated by the source	10 million characters
Windows keysKnown for one	Unknown — not stated by the source	Yes
USB hub	No	No
Purpose	Universal	Universal
Fingerprint reader	No	No
Design1 differ
Backlight	No	No
Keyboard style	Straight	Straight
Full-size keyboard	Yes	Yes
Ergonomic designKnown for one	Unknown — not stated by the source	No
Wrist restDiffers	No	Yes
Adjustable keyboard heightKnown for one	Unknown — not stated by the source	Yes
Product colour	Black	Black
Surface coloration	Monochromatic	Monochromatic
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Protection featuresKnown for one	Spill resistant	Unknown — not stated by the source
Battery LED indicatorKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
Plug and Play	Yes	Yes
Poweridentical
Power consumptionKnown for one	Unknown — not stated by the source	100 mA
Power source typeKnown for one	Battery	Unknown — not stated by the source
Mouseidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
Buttons quantityKnown for one	3	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
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	10 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 60 °C
Operating relative humidity (H-H)Differs	20 - 95%	8 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	155.5 x 424 x 20.5 mm	168.8 x 453.3 x 34.16 mm
Keyboard weightDiffers	580 g	850 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	205 mm
Package depthKnown for one	Unknown — not stated by the source	485 mm
Package heightKnown for one	Unknown — not stated by the source	42 mm
Package weightKnown for one	Unknown — not stated by the source	1.08 kg
Package typeKnown for one	Unknown — not stated by the source	Box
Other featuresidentical
Internal	No	No
Logistics dataidentical
Harmonized System (HS) code	84716060	84716060
Batteryidentical
Battery technologyKnown for one	Alkaline	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	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, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home	Unknown — not stated by the source
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

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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