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Product comparison · 2 keyboards

Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black vs Lenovo 4Y41V37355 keyboard Home/Office USB + RF Wireless + Bluetooth German Grey

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  • 29specifications compared
  • 20differ
  • 9identical
  • 35known for one product only

Key differences

The Lenovo 4Y41V37355 keyboard Home/Office USB + RF Wireless + Bluetooth German Grey has 90 million characters more keyboard keys operating life than the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black (100 million characters vs 10 million characters). The Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black has 0.6 m more cable length than the Lenovo 4Y41V37355 keyboard Home/Office USB + RF Wireless + Bluetooth German Grey (1.8 m vs 1.2 m). The Lenovo 4Y41V37355 keyboard Home/Office USB + RF Wireless + Bluetooth German Grey has 145 g more keyboard weight than the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black (715 g vs 570 g). Only the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black has numeric keypad. Only the Lenovo 4Y41V37355 keyboard Home/Office USB + RF Wireless + Bluetooth German Grey has backlight.

  • Connectivity technology
    • Wired
    • Wired & Wireless
  • Keyboard language
    • Romanian
    • German
  • Keyboard form factor
    • Full-size (100%)
    • Tenkeyless (80 - 87%)
  • Numeric keypad
    • Yes
    • No
  • Keyboard keys operating life
    • 10 million characters
    • 100 million characters
  • Backlight
    • No
    • Yes
  • Product colour
    • Black
    • Grey
  • Cable length
    • 1.8 m
    • 1.2 m

Side by side

Differences highlightedShow differences only
64 specifications
A

Lenovo

4X31R64428 keyboard Mouse included Home/Office USB Romanian Black

Model 4X31R64428

View product
B

Lenovo

4Y41V37355 keyboard Home/Office USB + RF Wireless + Bluetooth German Grey

Model 4Y41V37355

View product
Keyboard7 differ
Recommended usageHome/OfficeHome/Office
Connectivity technologyDiffersWiredWired & Wireless
Device interfaceDiffersUSBUSB + RF Wireless + Bluetooth
Keyboard key switchKnown for oneOptical key switch
Keyboard languageDiffersRomanianGerman
Pointing deviceNoNo
Keyboard form factorDiffersFull-size (100%)Tenkeyless (80 - 87%)
Numeric keypadDiffersYesNo
Keyboard number of keysKnown for one90
Keyboard keys operating lifeDiffers10 million characters100 million characters
Keyboard key profileKnown for oneLow-profile
Multi-device supportKnown for oneYes
Windows keysYesYes
Copilot keyYesYes
Hot keysKnown for oneYes
Bluetooth Low Energy (BLE)Known for oneYes
Bluetooth versionKnown for one5.3
CertificationDiffersAAA, BSMI, CB, CE, C-tick, EAC, FCC, IC, KCC, TUV, UL, VCCICE, CB, INCOM, AS/NZS, DWLF&M(TRA), BOCRA, ANATEL, IC, UL-CA, SUBTEL, NRTA, TUV, NCA, WPC, BIS, VCCI, TELEC, PSE, TRC, EAC, MOC, SIRIM, CRT & NOM, NCC, NTC, CRA, ICASA, RATEL, KC, UKCA(CE), COC & DOC, URSEC, FCC TCB, Nrcan+CEC+DOE, TASHKENT, MIC, Conatel
Key pitchKnown for one1.95 cm
Design2 differ
BacklightDiffersNoYes
Backlight typeKnown for oneLED
Backlight colourKnown for oneWhite
Adjustable backlightKnown for oneYes
Keyboard styleKnown for oneStraight
Adjustable keyboard heightYesYes
Product colourDiffersBlackGrey
Protection featuresKnown for oneSpill resistant
Features1 differ
Cable lengthDiffers1.8 m1.2 m
USB connector typeKnown for oneUSB Type-A
Power1 differ
Power source typeDiffersUSBBattery, USB
Service life of batteryKnown for one5 month(s)
RechargeableKnown for oneYes
Battery recharge timeKnown for one4.5 h
USB Type-C charging portKnown for oneYes
Batteryidentical
Battery capacityKnown for one2400 mAh
Mouse1 differ
Mouse includedDiffersYesNo
Form factorKnown for oneAmbidextrous
Movement detection technologyKnown for oneOptical
Movement resolutionKnown for one1600 DPI
Buttons quantityKnown for one3
Buttons typeKnown for onePressed buttons
ScrollKnown for oneYes
Scroll typeKnown for oneWheel
Mouse cable lengthKnown for one1.8 m
Buttons durability (million clicks)Known for one1
System requirementsidentical
Windows operating systems supportedWindows 10, Windows 11Windows 10, Windows 11
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs15 - 60%20 - 95%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs424 x 146 x 20 mm362.3 x 132.6 x 23.5 mm
Keyboard weightDiffers570 g715 g
Mouse dimensions (WxDxH)Known for one111 x 62 x 34 mm
Mouse weightKnown for one69 g
Packaging content1 differ
Number of products includedDiffers2 pc(s)1 pc(s)
Receiver includedKnown for oneYes
Wireless receiver interfaceKnown for oneUSB Type-A
Cables includedKnown for oneUSB Type-C
AC adapter includedNoNo
Warranty cardKnown for oneYes
Packaging data4 differ
Quick start guideKnown for oneYes
Package widthDiffers508 mm421 mm
Package depthDiffers179 mm166 mm
Package heightDiffers45 mm49 mm
Package weightDiffers910 g1.01 kg
Package typeBoxBox

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