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Product comparison · 2 keyboards

Lenovo 51J0163 keyboard USB Black vs Lenovo N5901 keyboard RF Wireless Black

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  • 8specifications compared
  • 6differ
  • 2identical
  • 26known for one product only

Key differences

  • Connectivity technology
    • Wired
    • Wireless
  • Device interface
    • USB
    • RF Wireless
  • Keyboard number of keys
    • 104
    • 69
  • Keyboard dimensions (WxDxH)
    • 457 x 185 x 35 mm
    • 126.19 x 135.5 x 27.47 mm
  • Keyboard weight
    • 1.06 kg
    • 1.05 kg

Side by side

Differences highlightedShow differences only
34 specifications
A

Lenovo

51J0163 keyboard USB Black

Model 51J0163

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B

Lenovo

N5901 keyboard RF Wireless Black

Model N5901

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Keyboard3 differ
Connectivity technologyDiffersWiredWireless
Device interfaceDiffersUSBRF Wireless
Pointing deviceKnown for oneTrackball
Keyboard form factorKnown for oneMini
Keyboard number of keysDiffers10469
PurposeKnown for oneHTPC
Frequency bandKnown for one2.4 GHz
Designidentical
Keyboard styleKnown for oneCurved
Wrist restKnown for oneNo
Product colourBlackBlack
Featuresidentical
Wireless rangeKnown for one10 m
Plug and PlayKnown for oneYes
Poweridentical
Power source typeKnown for oneBattery
Keyboard battery typeKnown for oneAAA
Number of batteries (keyboard)Known for one2
Battery typeKnown for oneAAA
Number of batteries supportedKnown for one2
Mouseidentical
Mouse includedNoNo
System requirementsidentical
Windows operating systems supportedKnown for oneYes
USB requiredKnown for oneYes
Mac operating systems supportedKnown for oneNo
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 40 °C
Operating relative humidity (H-H)Known for one8 - 80%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs457 x 185 x 35 mm126.19 x 135.5 x 27.47 mm
Keyboard weightDiffers1.06 kg1.05 kg
Packaging contentidentical
Number of products includedKnown for one1 pc(s)
Receiver includedKnown for oneYes
Receiver typeKnown for oneNano receiver
User guideKnown for oneYes
Other features1 differ
Built-in touchpadKnown for oneNo
Compatible operating systemsDiffersMicrosoft Windows XP, Microsoft Windows Vista, Microsoft Windows 7Windows 2000, XP, Vista, 7
DepthKnown for one135.5 mm
HeightKnown for one27.5 mm
WidthKnown for one126.2 mm

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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