itek ITK04 keyboard USB Black vs KeySonic ACK-540U+ (DE)

Comparison of ITK04, ACK-540U+ (DE)

27 specifications	A itek ITK04 keyboard USB Black Model ITK04 View product	B KeySonic ACK-540U+ (DE)View product
Keyboardidentical
Recommended usageKnown for one	—Unknown — not stated by the source	Office
Keyboard layoutKnown for one	—Unknown — not stated by the source	QWERTZ
Pointing deviceKnown for one	—Unknown — not stated by the source	Touchpad
Keyboard form factorKnown for one	—Unknown — not stated by the source	Mini
Keyboard number of keysKnown for one	—Unknown — not stated by the source	89
Designidentical
Keyboard styleKnown for one	—Unknown — not stated by the source	Straight
Ergonomic designKnown for one	—Unknown — not stated by the source	Yes
LED indicatorsKnown for one	—Unknown — not stated by the source	Status
Featuresidentical
Cable lengthKnown for one	—Unknown — not stated by the source	1.9 m
Poweridentical
Power source typeKnown for one	—Unknown — not stated by the source	USB
System requirementsidentical
Windows operating systems supportedKnown for one	—Unknown — not stated by the source	Windows 2000, Windows 98, Windows ME, Windows Vista Home Premium, Windows XP Home
USB requiredKnown for one	—Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Yes	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 50 °C
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-20 - 65 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	10 - 85%
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	—Unknown — not stated by the source	291 x 197 x 29 mm
Keyboard weightKnown for one	—Unknown — not stated by the source	665 g
Packaging dataidentical
Package dimensions (WxDxH)Known for one	—Unknown — not stated by the source	312 x 245 x 31 mm
Package weightKnown for one	—Unknown — not stated by the source	860 g
Other featuresidentical
Compatible operating systemsKnown for one	Windows 2000/XP/2003/Vista/Seven Mac OS X Linux	—Unknown — not stated by the source

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.