Acer Keyboard USB black US-International vs Lenovo Preferred EN 104keys PS2 Black

Comparison of Keyboard USB black US-International, Preferred EN 104keys PS2 Black

13 specifications	A Acer Keyboard USB black US-InternationalView product	B Lenovo Preferred EN 104keys PS2 BlackView product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB	PS/2
Keyboard layout	QWERTY	QWERTY
Keyboard number of keysKnown for one	—Unknown — not stated by the source	104
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black
Featuresidentical
Cable lengthKnown for one	—Unknown — not stated by the source	2 m
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	10 - 40 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	8 - 80%
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	—Unknown — not stated by the source	453 x 185 x 34 mm
Keyboard weightKnown for one	—Unknown — not stated by the source	1.3 kg
Other features1 differ
Internal	No	No
I/O portsDiffers	1 x USB - 4-pin USB Type A	1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
Mouseidentical
Mouse includedKnown for one	No	—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.