Product comparison · 2 keyboards

Lenovo 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black vs Lenovo 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black

39specifications compared
19differ
20identical
30known for one product only

Key differences

Connectivity technology
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:Wired
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Wireless
Device interface
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:USB
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:RF Wireless
Keyboard language
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:Portuguese
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:US English
Power source type
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:USB
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Battery
Movement detection technology
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:Optical
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Laser
Movement resolution
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:1000 DPI
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:1200 DPI
Buttons quantity
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:3
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:5
Operating temperature (T-T)
- 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black:0 - 50 °C
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:0 - 40 °C

Side by side

Differences highlightedShow differences only

Comparison of 4X30L79910, 4X30M39497
69 specifications	A Lenovo 4X30L79910 keyboard Mouse included Universal USB QWERTY Portuguese Black Model 4X30L79910 View product	B Lenovo 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black Model 4X30M39497 View product
Keyboard4 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Keyboard languageDiffers	Portuguese	US English
USB hubKnown for one	Unknown — not stated by the source	No
PurposeKnown for one	Unknown — not stated by the source	Universal
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Frequency bandKnown for one	Unknown — not stated by the source	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
CertificationDiffers	CE, FCC, UL, TUV, KCC, AAA, VCCI, C-tick, BSMI, EAC, IC, CB	CB
Keyboard keys operating lifeKnown for one	10 million characters	Unknown — not stated by the source
Keyboard key profileKnown for one	Low-profile	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Designidentical
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Ergonomic designKnown for one	Unknown — not stated by the source	No
Protection featuresKnown for one	Unknown — not stated by the source	Spill resistant
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Wireless rangeKnown for one	1.8 m	Unknown — not stated by the source
Power1 differ
Power source typeDiffers	USB	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
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Battery lifetimeKnown for one	Unknown — not stated by the source	1 year(s)
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Alkaline
Mouse3 differ
Movement detection technologyDiffers	Optical	Laser
Movement resolutionDiffers	1000 DPI	1200 DPI
Buttons quantityDiffers	3	5
Buttons typeKnown for one	Unknown — not stated by the source	Pressed buttons
Mouse battery typeKnown for one	Unknown — not stated by the source	AA
Number of batteries (mouse)Known for one	Unknown — not stated by the source	1
Number of scroll wheelsKnown for one	Unknown — not stated by the source	1
System requirements1 differ
Windows operating systems supportedDiffers	Windows 10, Windows 7, Windows 8.1	Yes
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 50 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	10 - 90%	20 - 95%
Weight & dimensions4 differ
Keyboard dimensions (WxDxH)Differs	146.4 x 424 x 20.2 mm	155.5 x 424 x 20.5 mm
Keyboard weightDiffers	570 g	582.15 g
Mouse dimensions (WxDxH)Differs	62.3 x 111.3 x 33.7 mm	61.08 x 106 x 33 mm
Mouse weightDiffers	69 g	60 g
Packaging contentidentical
Receiver includedKnown for one	Unknown — not stated by the source	Yes
Wireless receiver interfaceKnown for one	Unknown — not stated by the source	USB Type-A
Receiver typeKnown for one	Unknown — not stated by the source	Micro receiver
Unifying receiverKnown for one	Unknown — not stated by the source	Yes
Batteries includedKnown for one	Unknown — not stated by the source	Yes
Number of products includedKnown for one	2 pc(s)	Unknown — not stated by the source
Packaging data4 differ
Package widthDiffers	508 mm	167 mm
Package depthDiffers	179 mm	543 mm
Package heightDiffers	45 mm	44 mm
Package weightDiffers	908 g	1.06 kg
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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