Product comparison · 2 keyboards

KeySonic ACK-540U+ keyboard USB Black vs Lenovo USB Smartcard Keyboard (Italy)

6specifications compared
2differ
4identical
15known for one product only

Key differences

Cable length
- ACK-540U+ keyboard USB Black:1.9 m
- USB Smartcard Keyboard (Italy):2 m
Keyboard dimensions (WxDxH)
- ACK-540U+ keyboard USB Black:291 x 197 x 29 mm
- USB Smartcard Keyboard (Italy):457.13 x 185.3 x 35 mm

Side by side

Differences highlightedShow differences only

Comparison of ACK-540U+, USB Smartcard Keyboard (Italy)
21 specifications	A KeySonic ACK-540U+ keyboard USB Black Model ACK-540U+ View product	B Lenovo USB Smartcard Keyboard (Italy)View product
Keyboardidentical
Keyboard number of keysKnown for one	88	Unknown — not stated by the source
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Designidentical
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Features1 differ
Cable lengthDiffers	1.9 m	2 m
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
System requirementsidentical
Mac operating systems supportedKnown for one	No	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
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)Differs	291 x 197 x 29 mm	457.13 x 185.3 x 35 mm
Keyboard weightKnown for one	665 g	Unknown — not stated by the source
Packaging dataidentical
Package dimensions (WxDxH)Known for one	312 x 245 x 31 mm	Unknown — not stated by the source
Package weightKnown for one	860 g	Unknown — not stated by the source
Other featuresidentical
Compatible operating systemsKnown for one	Win 98SE / ME / 2000 / XP / Vista	Unknown — not stated by the source
InternalKnown for one	No	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84716060	Unknown — not stated by the source
Case or master carton dimensions (W x D x H)Known for one	520 x 335 x 325 mm	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.

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