Product comparison · 2 keyboards

Ewent EW3251 keyboard Medical USB Italian Black vs Lenovo 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black

21specifications compared
11differ
10identical
52known for one product only

Key differences

Recommended usage
- EW3251 keyboard Medical USB Italian Black:Medical
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Universal
Connectivity technology
- EW3251 keyboard Medical USB Italian Black:Wired
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Wireless
Device interface
- EW3251 keyboard Medical USB Italian Black:USB
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:RF Wireless
Keyboard language
- EW3251 keyboard Medical USB Italian Black:Italian
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:US English
Purpose
- EW3251 keyboard Medical USB Italian Black:PC/Server
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Universal
LED indicators
- EW3251 keyboard Medical USB Italian Black:Status
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Yes
Power source type
- EW3251 keyboard Medical USB Italian Black:USB
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Battery
Mouse included
- EW3251 keyboard Medical USB Italian Black:No
- 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black:Yes

Side by side

Differences highlightedShow differences only

Comparison of EW3251, 4X30M39497
73 specifications	A Ewent EW3251 keyboard Medical USB Italian Black Model EW3251 View product	B Lenovo 4X30M39497 keyboard Mouse included Universal RF Wireless QWERTY US English Black Model 4X30M39497 View product
Keyboard5 differ
Recommended usageDiffers	Medical	Universal
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Keyboard languageDiffers	Italian	US English
Pointing device	No	No
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
USB hub	No	No
PurposeDiffers	PC/Server	Universal
Fingerprint reader	No	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
CertificationKnown for one	Unknown — not stated by the source	CB
Keyboard key switchKnown for one	Mechanical	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Hot keysKnown for one	Yes	Unknown — not stated by the source
Multimedia keysKnown for one	Yes	Unknown — not stated by the source
Smart card readerKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Backlight	No	No
Keyboard style	Straight	Straight
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Ergonomic designKnown for one	Unknown — not stated by the source	No
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
Protection featuresKnown for one	Unknown — not stated by the source	Spill resistant
LED indicatorsDiffers	Status	Yes
MaterialKnown for one	Acrylonitrile butadiene styrene (ABS)	Unknown — not stated by the source
Featuresidentical
Plug and Play	Yes	Yes
Cable lengthKnown for one	1.5 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
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 lifetimeKnown for one	Unknown — not stated by the source	1 year(s)
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Alkaline
Mouse1 differ
Mouse includedDiffers	No	Yes
Form factorKnown for one	Unknown — not stated by the source	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 quantityKnown for one	Unknown — not stated by the source	5
Buttons typeKnown for one	Unknown — not stated by the source	Pressed buttons
ScrollKnown for one	Unknown — not stated by the source	Yes
Scroll typeKnown for one	Unknown — not stated by the source	Wheel
Scrolling directionsKnown for one	Unknown — not stated by the source	Vertical
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 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7	Yes
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 95%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	445 x 47 x 150 mm	155.5 x 424 x 20.5 mm
Keyboard weightDiffers	473 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 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
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	1.06 kg
Package typeKnown for one	Unknown — not stated by the source	Box
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	No
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	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.

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