Product comparison · 2 keyboards

KeySonic KSK-3021RF keyboard Office RF Wireless Silver, White vs Lenovo 4X30E51003 keyboard USB Belgian, UK English Black

26specifications compared
17differ
9identical
29known for one product only

Key differences

Connectivity technology
- KSK-3021RF keyboard Office RF Wireless Silver, White:Wireless
- 4X30E51003 keyboard USB Belgian, UK English Black:Wired
Device interface
- KSK-3021RF keyboard Office RF Wireless Silver, White:RF Wireless
- 4X30E51003 keyboard USB Belgian, UK English Black:USB
Keyboard form factor
- KSK-3021RF keyboard Office RF Wireless Silver, White:Mini
- 4X30E51003 keyboard USB Belgian, UK English Black:Full-size (100%)
Numeric keypad
- KSK-3021RF keyboard Office RF Wireless Silver, White:No
- 4X30E51003 keyboard USB Belgian, UK English Black:Yes
Keyboard number of keys
- KSK-3021RF keyboard Office RF Wireless Silver, White:83
- 4X30E51003 keyboard USB Belgian, UK English Black:104
Hot keys
- KSK-3021RF keyboard Office RF Wireless Silver, White:No
- 4X30E51003 keyboard USB Belgian, UK English Black:Yes
Product colour
- KSK-3021RF keyboard Office RF Wireless Silver, White:Silver, White
- 4X30E51003 keyboard USB Belgian, UK English Black:Black
Power source type
- KSK-3021RF keyboard Office RF Wireless Silver, White:Battery
- 4X30E51003 keyboard USB Belgian, UK English Black:USB

Side by side

Differences highlightedShow differences only

Comparison of KSK-3021RF, 4X30E51003
55 specifications	A KeySonic KSK-3021RF keyboard Office RF Wireless Silver, White Model KSK-3021RF View product	B Lenovo 4X30E51003 keyboard USB Belgian, UK English Black Model 4X30E51003 View product
Keyboard6 differ
Recommended usageKnown for one	Office	Unknown — not stated by the source
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard form factorDiffers	Mini	Full-size (100%)
Numeric keypadDiffers	No	Yes
Keyboard number of keysDiffers	83	104
Keyboard keys operating lifeKnown for one	5 million characters	Unknown — not stated by the source
Windows keys	Yes	Yes
Hot keysDiffers	No	Yes
Purpose	Universal	Universal
Actuation forceKnown for one	57 g	Unknown — not stated by the source
Frequency bandKnown for one	2.4 - 2.483 GHz	Unknown — not stated by the source
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
CertificationKnown for one	CE, WEEE	Unknown — not stated by the source
Keyboard languageKnown for one	Unknown — not stated by the source	Belgian, UK English
Smart card readerKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Backlight	No	No
Keyboard style	Straight	Straight
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboard	Yes	Yes
Wrist rest	No	No
Product colourDiffers	Silver, White	Black
Surface colorationKnown for one	Monochromatic	Unknown — not stated by the source
MaterialKnown for one	Aluminium, Plastic	Unknown — not stated by the source
Ergonomic designKnown for one	Unknown — not stated by the source	No
Featuresidentical
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Cable lengthKnown for one	Unknown — not stated by the source	2.3 m
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power source typeDiffers	Battery	USB
Operating voltageKnown for one	1.5 V	Unknown — not stated by the source
Battery typeKnown for one	AAA	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
System requirements1 differ
Windows operating systems supportedDiffers	Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimat	Windows 7 Home Premium, Windows 8, Windows 8.1, Windows XP Home
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 50 °C	10 - 40 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	20 - 90%	8 - 80%
Storage relative humidity (H-H)Known for one	20 - 90%	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificates	RoHS	RoHS
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	282.4 x 130.4 x 17.8 mm	457 x 185 x 35 mm
Keyboard weightDiffers	256 g	1.06 kg
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
User guide	Yes	Yes
Packaging data4 differ
Package widthDiffers	340 mm	480 mm
Package depthDiffers	180 mm	220 mm
Package heightDiffers	29 mm	45 mm
Package weightDiffers	470 g	1.41 kg
Package typeKnown for one	Box	Unknown — not stated by the source
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Logistics dataidentical
Products per master (outer) caseKnown for one	20 pc(s)	Unknown — not stated by the source
Master (outer) case widthKnown for one	385 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	310 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	360 mm	Unknown — not stated by the source
Master (outer) case gross weightKnown for one	9.4 kg	Unknown — not stated by the source
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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