Product comparison · 2 keyboards

KeySonic ACK-109BL keyboard USB + PS/2 QWERTZ Blue vs KeySonic ACK-540U+ keyboard USB Black

Key differences

Device interface
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:USB + PS/2
- ACK-540U+ keyboard USB Black:USB
Keyboard number of keys
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:105
- ACK-540U+ keyboard USB Black:88
Product colour
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:Blue
- ACK-540U+ keyboard USB Black:Black
Cable length
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:1.5 m
- ACK-540U+ keyboard USB Black:1.9 m
Operating temperature (T-T)
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:0 - 60 °C
- ACK-540U+ keyboard USB Black:0 - 50 °C
Storage temperature (T-T)
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:-20 - 80 °C
- ACK-540U+ keyboard USB Black:-20 - 65 °C
Operating relative humidity (H-H)
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:10 - 100%
- ACK-540U+ keyboard USB Black:10 - 85%
Keyboard dimensions (WxDxH)
- ACK-109BL keyboard USB + PS/2 QWERTZ Blue:490 x 137 x 15 mm
- ACK-540U+ keyboard USB Black:291 x 197 x 29 mm

Differences highlightedShow differences only

Comparison of ACK-109BL, ACK-540U+
21 specifications	A KeySonic ACK-109BL keyboard USB + PS/2 QWERTZ Blue Model ACK-109BL View product	B KeySonic ACK-540U+ keyboard USB Black Model ACK-540U+ View product
Keyboard2 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB + PS/2	USB
Keyboard number of keysDiffers	105	88
Keyboard layoutKnown for one	QWERTZ	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Blue	Black
LED indicators	Yes	Yes
Features1 differ
Cable lengthDiffers	1.5 m	1.9 m
Plug and Play	Yes	Yes
Mouseidentical
Mouse included	No	No
System requirementsidentical
Mac operating systems supported	No	No
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	0 - 50 °C
Storage temperature (T-T)Differs	-20 - 80 °C	-20 - 65 °C
Operating relative humidity (H-H)Differs	10 - 100%	10 - 85%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	490 x 137 x 15 mm	291 x 197 x 29 mm
Keyboard weightDiffers	320 g	665 g
Packaging data2 differ
Package dimensions (WxDxH)Differs	500 x 154 x 39 mm	312 x 245 x 31 mm
Package weightDiffers	490 g	860 g
Other features1 differ
Compatible operating systemsDiffers	Win 95 / 98 / NT / ME / 2000 / XP / Vista	Win 98SE / ME / 2000 / XP / Vista
Internal	No	No
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84716060
Case or master carton dimensions (W x D x H)Known for one	Unknown — not stated by the source	520 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.