Lenovo Preferred Pro Full-size Keyboard vs Lenovo Preferred Pro USB Keyboard - Slovak

Comparison of Preferred Pro Full-size Keyboard, Preferred Pro USB Keyboard - Slovak

13 specifications	A Lenovo Preferred Pro Full-size KeyboardView product	B Lenovo Preferred Pro USB Keyboard - SlovakView product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	PS/2	USB
Keyboard number of keysKnown for one	—Unknown — not stated by the source	105
CertificationKnown for one	—Unknown — not stated by the source	TUV-GS - ZH1/618, UL-1950, VCCI, BSMI, C-Tick, CE, CSA C22.2 No. 950-M89, FCC Class B - Part 15, ICES-003 Class B, IEC-801-2 Level 3, IEC-950, MIC, NMB-003 Class B
Designidentical
Product colour	Black	Black
Featuresidentical
Cable length	2 m	2 m
Mouseidentical
Mouse included	No	No
Other featuresidentical
DepthKnown for one	—Unknown — not stated by the source	7.3 in
HeightKnown for one	—Unknown — not stated by the source	1.3 in
WidthKnown for one	—Unknown — not stated by the source	17.8 in
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 40 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 80%	—Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	453 x 185 x 34 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.