Product comparison · 2 keyboards

KeySonic ACK-540UEL keyboard USB German Black vs KeySonic KSK-3211RFM keyboard RF Wireless QWERTZ German Black

19specifications compared
12differ
7identical
23known for one product only

Key differences

Connectivity technology
- ACK-540UEL keyboard USB German Black:Wired
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:Wireless
Device interface
- ACK-540UEL keyboard USB German Black:USB
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:RF Wireless
Keyboard number of keys
- ACK-540UEL keyboard USB German Black:89
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:63
Backlight
- ACK-540UEL keyboard USB German Black:Yes
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:No
Wrist rest
- ACK-540UEL keyboard USB German Black:Yes
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:No
Power source type
- ACK-540UEL keyboard USB German Black:USB
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:Battery
Keyboard dimensions (WxDxH)
- ACK-540UEL keyboard USB German Black:291 x 197 x 29 mm
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:172 x 85 x 20 mm
Keyboard weight
- ACK-540UEL keyboard USB German Black:665 g
- KSK-3211RFM keyboard RF Wireless QWERTZ German Black:102 g

Side by side

Differences highlightedShow differences only

Comparison of ACK-540UEL, KSK-3211RFM
42 specifications	A KeySonic ACK-540UEL keyboard USB German Black Model ACK-540UEL View product	B KeySonic KSK-3211RFM keyboard RF Wireless QWERTZ German Black Model KSK-3211RFM View product
Keyboard3 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Keyboard language	German	German
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Keyboard form factor	Mini	Mini
Numeric keypad	No	No
Keyboard number of keysDiffers	89	63
PurposeKnown for one	Universal	Unknown — not stated by the source
CertificationKnown for one	CE, FCC, WEEE	Unknown — not stated by the source
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Hot keysKnown for one	Unknown — not stated by the source	Yes
Design2 differ
BacklightDiffers	Yes	No
Backlight colourKnown for one	Blue	Unknown — not stated by the source
Keyboard style	Straight	Straight
Ergonomic designKnown for one	Yes	Unknown — not stated by the source
Wrist restDiffers	Yes	No
Product colour	Black	Black
LED indicators	Yes	Yes
Surface colorationKnown for one	Unknown — not stated by the source	Monochromatic
MaterialKnown for one	Unknown — not stated by the source	Plastic
Featuresidentical
Cable lengthKnown for one	1.8 m	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Wireless rangeKnown for one	Unknown — not stated by the source	7 m
Power1 differ
Power source typeDiffers	USB	Battery
Battery life (max)Known for one	Unknown — not stated by the source	120 h
Battery typeKnown for one	Unknown — not stated by the source	AAA
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
Mouseidentical
Mouse included	No	No
System requirementsidentical
Windows operating systems supportedKnown for one	Windows 2000, Windows 7 Enterprise, Windows 8, Windows 98SE, Windows ME, Windows Vista Home Basic, Windows XP Home	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 50 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 85%	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	291 x 197 x 29 mm	172 x 85 x 20 mm
Keyboard weightDiffers	665 g	102 g
Packaging data4 differ
Package widthDiffers	312 mm	225 mm
Package depthDiffers	245 mm	150 mm
Package heightDiffers	31 mm	30 mm
Package weightDiffers	860 g	230 g
Packaging contentidentical
Receiver includedKnown for one	Unknown — not stated by the source	Yes
Batteries includedKnown for one	Unknown — not stated by the source	Yes

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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