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Product comparison · 2 keyboards

Dell KM520 keyboard Mouse included RF Wireless US English Black vs Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black

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  • 18specifications compared
  • 6differ
  • 12identical
  • 44known for one product only

Key differences

The Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black has 15 g more keyboard weight than the Dell KM520 keyboard Mouse included RF Wireless US English Black (415 g vs 400 g). Device interface: RF Wireless on the Dell KM520 keyboard Mouse included RF Wireless US English Black, RF Wireless + Bluetooth on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black. Keyboard language: US English on the Dell KM520 keyboard Mouse included RF Wireless US English Black, Ukrainian on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black. Keyboard form factor: 110% on the Dell KM520 keyboard Mouse included RF Wireless US English Black, Full-size (100%) on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black. Mac operating systems supported: MacOS on the Dell KM520 keyboard Mouse included RF Wireless US English Black, Yes on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black.

  • Device interface
    • RF Wireless
    • RF Wireless + Bluetooth
  • Keyboard language
    • US English
    • Ukrainian
  • Keyboard form factor
    • 110%
    • Full-size (100%)
  • Mac operating systems supported
    • MacOS
    • Yes
  • Keyboard dimensions (WxDxH)
    • 432.71 x 122.11 x 26.11 mm
    • 433.6 x 123.4 x 25.2 mm
  • Keyboard weight
    • 400 g
    • 415 g

Side by side

Differences highlightedShow differences only
62 specifications
A

Dell

KM520 keyboard Mouse included RF Wireless US English Black

Model KM520

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B

Lenovo

4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black

Model 4X31S04811

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Keyboard3 differ
Recommended usageKnown for oneOffice
Device interfaceDiffersRF WirelessRF Wireless + Bluetooth
Keyboard languageDiffersUS EnglishUkrainian
Keyboard form factorDiffers110%Full-size (100%)
Keyboard keys operating lifeKnown for one10 million characters
Windows keysKnown for oneYes
Key pitchKnown for one1.91 cm
Bluetooth versionKnown for one5.4
Security algorithmsKnown for one128-bit AES
CertificationKnown for oneCB TUV Mark CE cTUVus FCC IC IMDA WPC BIS SIRIM NBTC-SDOC SDPPI NTC AITI TRC NCC BSMI MSIP VCCI JRF KVALITET ICASA TRA NTRA MOC PTA ICT EQM BOCRA ARCT ETA NCA POTRAZ etc.
Designidentical
BacklightKnown for oneNo
Keyboard styleKnown for oneStraight
Adjustable keyboard heightKnown for oneYes
LED indicatorsKnown for oneYes
Surface colorationKnown for oneMonochromatic
Featuresidentical
Plug and PlayKnown for oneYes
USB connector typeKnown for oneUSB Type-A
Poweridentical
Service life of batteryKnown for one36 month(s)
USB Type-C charging portKnown for oneNo
Mouseidentical
Form factorKnown for oneAmbidextrous
Movement detection technologyKnown for oneOptical
Movement resolutionKnown for one2400 DPI
Number of movement resolution modesKnown for one3
Buttons quantityKnown for one8
Buttons typeKnown for onePressed buttons
ScrollKnown for oneYes
Scroll typeKnown for oneWheel
Scrolling directionsKnown for oneVertical
Mouse battery lifeKnown for one36 month(s)
Buttons durability (million clicks)Known for one5
System requirements1 differ
Mac operating systems supportedDiffersMacOSYes
Linux operating systems supportedKnown for oneYes
Other operating systems supportedKnown for oneChromeOS
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one20 - 95%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs432.71 x 122.11 x 26.11 mm433.6 x 123.4 x 25.2 mm
Keyboard weightDiffers400 g415 g
Mouse dimensions (WxDxH)Known for one61 x 113 x 36.4 mm
Mouse weightKnown for one60 g
Packaging contentidentical
Number of products includedKnown for one2 pc(s)
Wireless receiver interfaceKnown for oneUSB Type-A
Batteries includedKnown for oneYes
AC adapter includedKnown for oneNo
Packaging dataidentical
Package widthKnown for one529 mm
Package depthKnown for one145 mm
Package heightKnown for one44 mm
Package weightKnown for one756.3 g
Package typeKnown for oneBox
Other featuresidentical
Warranty periodKnown for one3 year(s)
Recycling dataidentical
Product post-consumer recycled plasticKnown for one95%

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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