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Product comparison · 2 keyboards

Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black vs Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black

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  • 38specifications compared
  • 19differ
  • 19identical
  • 27known for one product only

Key differences

  • Recommended usage
    • Home/Office
    • Office
  • Connectivity technology
    • Wired
    • Wireless
  • Device interface
    • USB
    • RF Wireless + Bluetooth
  • Keyboard language
    • Romanian
    • Ukrainian
  • Key pitch
    • 1.95 cm
    • 1.91 cm
  • Power source type
    • USB
    • Battery
  • Movement resolution
    • 1600 DPI
    • 2400 DPI
  • Buttons quantity
    • 3
    • 8

Side by side

Differences highlightedShow differences only
65 specifications
A

Lenovo

4X31R64428 keyboard Mouse included Home/Office USB Romanian Black

Model 4X31R64428

View product
B

Lenovo

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

Model 4X31S04811

View product
Keyboard6 differ
Recommended usageDiffersHome/OfficeOffice
Connectivity technologyDiffersWiredWireless
Device interfaceDiffersUSBRF Wireless + Bluetooth
Keyboard languageDiffersRomanianUkrainian
Pointing deviceNoNo
Keyboard form factorFull-size (100%)Full-size (100%)
Numeric keypadYesYes
Keyboard keys operating life10 million characters10 million characters
Windows keysYesYes
Frequency bandKnown for one2.4 GHz
Key pitchDiffers1.95 cm1.91 cm
Bluetooth versionKnown for one5.4
Security algorithmsKnown for one128-bit AES
CertificationDiffersAAA, BSMI, CB, CE, C-tick, EAC, FCC, IC, KCC, TUV, UL, VCCICB 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.
Copilot keyKnown for oneYes
Designidentical
BacklightNoNo
Keyboard styleKnown for oneStraight
Adjustable keyboard heightYesYes
Product colourBlackBlack
LED indicatorsKnown for oneYes
Protection featuresKnown for oneSpill resistant
Featuresidentical
Plug and PlayKnown for oneYes
USB connector typeKnown for oneUSB Type-A
Cable lengthKnown for one1.8 m
Power1 differ
Power source typeDiffersUSBBattery
Keyboard battery typeKnown for oneAAA
Number of batteries (keyboard)Known for one2
Service life of batteryKnown for one36 month(s)
USB Type-C charging portKnown for oneNo
Mouse3 differ
Mouse includedYesYes
Form factorAmbidextrousAmbidextrous
Movement detection technologyOpticalOptical
Movement resolutionDiffers1600 DPI2400 DPI
Number of movement resolution modesKnown for one3
Buttons quantityDiffers38
Buttons typePressed buttonsPressed buttons
ScrollYesYes
Scroll typeWheelWheel
Scrolling directionsKnown for oneVertical
Mouse battery typeKnown for oneAA
Mouse battery lifeKnown for one36 month(s)
Buttons durability (million clicks)Differs15
Mouse cable lengthKnown for one1.8 m
System requirementsidentical
Windows operating systems supportedWindows 10, Windows 11Windows 10, Windows 11
Mac operating systems supportedKnown for oneYes
Linux operating systems supportedKnown for oneYes
Other operating systems supportedKnown for oneChromeOS
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs15 - 60%20 - 95%
Weight & dimensions4 differ
Keyboard dimensions (WxDxH)Differs424 x 146 x 20 mm433.6 x 123.4 x 25.2 mm
Keyboard weightDiffers570 g415 g
Mouse dimensions (WxDxH)Differs111 x 62 x 34 mm61 x 113 x 36.4 mm
Mouse weightDiffers69 g60 g
Packaging contentidentical
Number of products included2 pc(s)2 pc(s)
Receiver includedKnown for oneYes
Wireless receiver interfaceKnown for oneUSB Type-A
Batteries includedKnown for oneYes
AC adapter includedNoNo
Packaging data4 differ
Package widthDiffers508 mm529 mm
Package depthDiffers179 mm145 mm
Package heightDiffers45 mm44 mm
Package weightDiffers910 g756.3 g
Package typeBoxBox
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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