Conceptronic CKBUS keyboard USB QWERTY Black vs Lenovo USB Smartcard Keyboard

Comparison of CKBUS, USB Smartcard Keyboard

12 specifications	A Conceptronic CKBUS keyboard USB QWERTY Black Model CKBUS View product	B Lenovo USB Smartcard KeyboardView product
Keyboardidentical
Keyboard number of keysKnown for one	—Unknown — not stated by the source	104
Other features1 differ
Compatible operating systemsDiffers	Windows 2000/XP/Vista/7	Windows XP, Vista 32-bit & Vista 64-bit
DepthKnown for one	—Unknown — not stated by the source	7.3 in
HeightKnown for one	—Unknown — not stated by the source	1.4 in
InternalKnown for one	—Unknown — not stated by the source	No
WidthKnown for one	—Unknown — not stated by the source	18 in
Featuresidentical
Plug and PlayKnown for one	Yes	—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.