Product comparison · 2 keyboards

Lenovo 4X30M39461 keyboard Mouse included Universal RF Wireless AZERTY French Black vs Lenovo 4X30M39478 keyboard Mouse included Universal RF Wireless QWERTY Italian Black

44specifications compared
5differ
39identical
21known for one product only

Key differences

Keyboard layout
- 4X30M39461 keyboard Mouse included Universal RF Wireless AZERTY French Black:AZERTY
- 4X30M39478 keyboard Mouse included Universal RF Wireless QWERTY Italian Black:QWERTY
Keyboard language
- 4X30M39461 keyboard Mouse included Universal RF Wireless AZERTY French Black:French
- 4X30M39478 keyboard Mouse included Universal RF Wireless QWERTY Italian Black:Italian
Buttons quantity
- 4X30M39461 keyboard Mouse included Universal RF Wireless AZERTY French Black:3
- 4X30M39478 keyboard Mouse included Universal RF Wireless QWERTY Italian Black:5
Keyboard weight
- 4X30M39461 keyboard Mouse included Universal RF Wireless AZERTY French Black:580 g
- 4X30M39478 keyboard Mouse included Universal RF Wireless QWERTY Italian Black:582.15 g

Side by side

Differences highlightedShow differences only

Comparison of 4X30M39461, 4X30M39478
65 specifications	A Lenovo 4X30M39461 keyboard Mouse included Universal RF Wireless AZERTY French Black Model 4X30M39461 View product	B Lenovo 4X30M39478 keyboard Mouse included Universal RF Wireless QWERTY Italian Black Model 4X30M39478 View product
Keyboard2 differ
Recommended usage	Universal	Universal
Connectivity technology	Wireless	Wireless
Device interface	RF Wireless	RF Wireless
Keyboard layoutDiffers	AZERTY	QWERTY
Keyboard languageDiffers	French	Italian
Pointing device	No	No
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
USB hub	No	No
Purpose	Universal	Universal
Fingerprint reader	No	No
Frequency band	2.4 GHz	2.4 GHz
On/off switchKnown for one	Unknown — not stated by the source	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	128-bit AES
CertificationKnown for one	Unknown — not stated by the source	CB
Designidentical
Backlight	No	No
Keyboard style	Straight	Straight
Island-style keyboard	Yes	Yes
Wrist rest	No	No
Adjustable keyboard height	Yes	Yes
Product colour	Black	Black
Surface coloration	Monochromatic	Monochromatic
Protection features	Spill resistant	Spill resistant
LED indicators	Yes	Yes
Full-size keyboardKnown for one	Yes	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 source type	Battery	Battery
Keyboard battery typeKnown for one	Unknown — not stated by the source	AA
Number of batteries (keyboard)Known for one	Unknown — not stated by the source	2
Power consumptionKnown for one	Unknown — not stated by the source	100 mA
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Battery lifetime	1 year(s)	1 year(s)
Batteryidentical
Battery technology	Alkaline	Alkaline
Mouse1 differ
Mouse included	Yes	Yes
Form factor	Ambidextrous	Ambidextrous
Movement detection technologyKnown for one	Unknown — not stated by the source	Laser
Movement resolutionKnown for one	Unknown — not stated by the source	1200 DPI
Buttons quantityDiffers	3	5
Buttons typeKnown for one	Unknown — not stated by the source	Pressed buttons
Scroll	Yes	Yes
Scroll type	Wheel	Wheel
Scrolling directions	Vertical	Vertical
Mouse battery type	AA	AA
Number of batteries (mouse)Known for one	Unknown — not stated by the source	1
Number of scroll wheels	1	1
System requirements1 differ
Windows operating systems supportedDiffers	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	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	20 - 95%	20 - 95%
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)	155.5 x 424 x 20.5 mm	155.5 x 424 x 20.5 mm
Keyboard weightDiffers	580 g	582.15 g
Mouse dimensions (WxDxH)Known for one	Unknown — not stated by the source	61.08 x 106 x 33 mm
Mouse weightKnown for one	Unknown — not stated by the source	60 g
Packaging contentidentical
Receiver included	Yes	Yes
Wireless receiver interface	USB Type-A	USB Type-A
Receiver type	Micro receiver	Micro receiver
Unifying receiverKnown for one	Unknown — not stated by the source	Yes
Batteries included	Yes	Yes
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	167 mm
Package depthKnown for one	Unknown — not stated by the source	543 mm
Package heightKnown for one	Unknown — not stated by the source	44 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

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