Product comparison · 2 keyboards

Lenovo 31P9509 keyboard USB Black vs Lenovo Preferred Pro Full-size Keyboard

5specifications compared
2differ
3identical
5known for one product only

Key differences

Device interface
- 31P9509 keyboard USB Black:USB
- Preferred Pro Full-size Keyboard:PS/2
Keyboard dimensions (WxDxH)
- 31P9509 keyboard USB Black:315 x 220 x 22 mm
- Preferred Pro Full-size Keyboard:453 x 185 x 34 mm

Side by side

Differences highlightedShow differences only

Comparison of 31P9509, Preferred Pro Full-size Keyboard
10 specifications	A Lenovo 31P9509 keyboard USB Black Model 31P9509 View product	B Lenovo Preferred Pro Full-size Keyboard View product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB	PS/2
Pointing deviceKnown for one	TrackPoint & UltraNav	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Featuresidentical
Cable lengthKnown for one	Unknown — not stated by the source	2 m
Mouseidentical
Mouse included	No	No
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 & dimensions1 differ
Keyboard dimensions (WxDxH)Differs	315 x 220 x 22 mm	453 x 185 x 34 mm
Keyboard weightKnown for one	530 g	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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