Product comparison · 2 keyboards

Lenovo 4X30L79917 keyboard Mouse included Office USB Swiss Black vs Lenovo Preferred Pro II

22specifications compared
8differ
14identical
29known for one product only

Key differences

Recommended usage
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:Office
- Preferred Pro II:Universal
Keyboard language
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:Swiss
- Preferred Pro II:US English
Purpose
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:PC/Server
- Preferred Pro II:Universal
Wrist rest
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:No
- Preferred Pro II:Yes
Mouse included
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:Yes
- Preferred Pro II:No
Operating temperature (T-T)
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:0 - 50 °C
- Preferred Pro II:10 - 40 °C
Operating relative humidity (H-H)
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:10 - 90%
- Preferred Pro II:8 - 80%
Keyboard weight
- 4X30L79917 keyboard Mouse included Office USB Swiss Black:570 g
- Preferred Pro II:850 g

Side by side

Differences highlightedShow differences only

Comparison of 4X30L79917, Preferred Pro II
51 specifications	A Lenovo 4X30L79917 keyboard Mouse included Office USB Swiss Black Model 4X30L79917 View product	B Lenovo Preferred Pro II View product
Keyboard3 differ
Recommended usageDiffers	Office	Universal
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Keyboard languageDiffers	Swiss	US English
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
PurposeDiffers	PC/Server	Universal
Keyboard key switchKnown for one	Membrane	Unknown — not stated by the source
Hot keysKnown for one	Yes	Unknown — not stated by the source
Silent keysKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Full-size keyboardKnown for one	Unknown — not stated by the source	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
Poweridentical
Power consumptionKnown for one	Unknown — not stated by the source	100 mA
Power source typeKnown for one	USB	Unknown — not stated by the source
Mouse1 differ
Mouse includedDiffers	Yes	No
Form factorKnown for one	Right-hand	Unknown — not stated by the source
Movement detection technologyKnown for one	Optical	Unknown — not stated by the source
Movement resolutionKnown for one	1000 DPI	Unknown — not stated by the source
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
Number of scroll wheelsKnown for one	1	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 50 °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	10 - 90%	8 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)Known for one	Unknown — not stated by the source	168.8 x 453.3 x 34.16 mm
Keyboard weightDiffers	570 g	850 g
Mouse weightKnown for one	69 g	Unknown — not stated by the source
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
InternalKnown for one	Unknown — not stated by the source	No

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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