Product comparison · 2 keyboards

KeySonic ACK-540U+ keyboard USB Black vs KeySonic ACK-595C+ keyboard USB + PS/2 QWERTZ White

Key differences

Device interface
- ACK-540U+ keyboard USB Black:USB
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:USB + PS/2
Product colour
- ACK-540U+ keyboard USB Black:Black
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:White
Keyboard dimensions (WxDxH)
- ACK-540U+ keyboard USB Black:291 x 197 x 29 mm
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:291 x 154 x 29 mm
Keyboard weight
- ACK-540U+ keyboard USB Black:665 g
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:580 g
Package dimensions (WxDxH)
- ACK-540U+ keyboard USB Black:312 x 245 x 31 mm
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:312 x 205 x 31 mm
Package weight
- ACK-540U+ keyboard USB Black:860 g
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:760 g
Case or master carton dimensions (W x D x H)
- ACK-540U+ keyboard USB Black:520 x 335 x 325 mm
- ACK-595C+ keyboard USB + PS/2 QWERTZ White:440 x 335 x 325 mm

Differences highlightedShow differences only

Comparison of ACK-540U+, ACK-595C+
21 specifications	A KeySonic ACK-540U+ keyboard USB Black Model ACK-540U+ View product	B KeySonic ACK-595C+ keyboard USB + PS/2 QWERTZ White Model ACK-595C+ View product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB	USB + PS/2
Keyboard number of keys	88	88
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Design1 differ
Product colourDiffers	Black	White
LED indicators	Yes	Yes
Featuresidentical
Cable length	1.9 m	1.9 m
Plug and Play	Yes	Yes
Mouseidentical
Mouse included	No	No
System requirementsidentical
Mac operating systems supported	No	No
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Storage temperature (T-T)	-20 - 65 °C	-20 - 65 °C
Operating relative humidity (H-H)	10 - 85%	10 - 85%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	291 x 197 x 29 mm	291 x 154 x 29 mm
Keyboard weightDiffers	665 g	580 g
Packaging data2 differ
Package dimensions (WxDxH)Differs	312 x 245 x 31 mm	312 x 205 x 31 mm
Package weightDiffers	860 g	760 g
Other featuresidentical
Compatible operating systems	Win 98SE / ME / 2000 / XP / Vista	Win 98SE / ME / 2000 / XP / Vista
Internal	No	No
Logistics data1 differ
Harmonized System (HS) codeKnown for one	84716060	Unknown — not stated by the source
Case or master carton dimensions (W x D x H)Differs	520 x 335 x 325 mm	440 x 335 x 325 mm

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.