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Product comparison · 2 keyboards

be quiet! Light Mount TKL FR - Silent Linear vs Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black

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  • 20specifications compared
  • 12differ
  • 8identical
  • 63known for one product only

Key differences

The be quiet! Light Mount TKL FR - Silent Linear has 355 g more keyboard weight than the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black (770 g vs 415 g). Only the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black has numeric keypad. Only the be quiet! Light Mount TKL FR - Silent Linear has backlight. Recommended usage: Gaming on the be quiet! Light Mount TKL FR - Silent Linear, Office on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black. Connectivity technology: Wired on the be quiet! Light Mount TKL FR - Silent Linear, Wireless on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black.

  • Recommended usage
    • Gaming
    • Office
  • Connectivity technology
    • Wired
    • Wireless
  • Device interface
    • USB
    • RF Wireless + Bluetooth
  • Keyboard language
    • French
    • Ukrainian
  • Keyboard form factor
    • Tenkeyless (80 - 87%)
    • Full-size (100%)
  • Numeric keypad
    • No
    • Yes
  • Backlight
    • Yes
    • No
  • Power source type
    • USB
    • Battery

Side by side

Differences highlightedShow differences only
83 specifications
A

be quiet!

Light Mount TKL FR - Silent LinearView product
B

Lenovo

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

Model 4X31S04811

View product
Keyboard6 differ
Recommended usageDiffersGamingOffice
Connectivity technologyDiffersWiredWireless
Device interfaceDiffersUSBRF Wireless + Bluetooth
Keyboard languageDiffersFrenchUkrainian
Pointing deviceNoNo
Keyboard form factorDiffersTenkeyless (80 - 87%)Full-size (100%)
Numeric keypadDiffersNoYes
Keyboard keys operating lifeKnown for one10 million characters
Windows keysYesYes
Frequency bandKnown for one2.4 GHz
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.
Keyboard key switchKnown for oneMechanical
Keyboard key switch technologyKnown for onebe quiet! Silent V2 Linear
Keyboard layoutKnown for oneAZERTY
Physical layoutKnown for oneTenkeyless (TKL)
KeycapsKnown for oneDouble shot
Keycaps materialKnown for onePolybutylene terephthalate (PBT)
Hot keysKnown for oneYes
Number of hot keysKnown for one3
Programmable hot keysKnown for oneYes
Multimedia keysKnown for oneYes
RolloverKnown for oneN-key rollover
Polling rateKnown for one1000 Hz
Built-in memoryKnown for oneYes
Design1 differ
BacklightDiffersYesNo
Keyboard styleStraightStraight
Adjustable keyboard heightYesYes
Product colourBlackBlack
LED indicatorsKnown for oneYes
Backlight typeKnown for oneRGB LED
Backlight colourKnown for oneRGB
Ergonomic designKnown for oneYes
Wrist restKnown for oneYes
Surface colorationKnown for oneMonochromatic
MaterialKnown for oneAluminium, Polybutylene terephthalate (PBT), Acrylonitrile butadiene styrene (ABS)
Featuresidentical
Plug and PlayKnown for oneYes
USB connector typeKnown for oneUSB Type-A, USB Type-C
Detachable cableKnown for oneYes
Hot-swapKnown for oneYes
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 portNoNo
Mouse1 differ
Mouse includedDiffersNoYes
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 typeKnown for oneAA
Mouse battery lifeKnown for one36 month(s)
Buttons durability (million clicks)Known for one5
System requirementsidentical
Windows operating systems supportedKnown for oneWindows 10, Windows 11
Mac operating systems supportedKnown for oneYes
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)Differs358 x 133 x 44 mm433.6 x 123.4 x 25.2 mm
Keyboard weightDiffers770 g415 g
Mouse dimensions (WxDxH)Known for one61 x 113 x 36.4 mm
Mouse weightKnown for one60 g
Packaging content1 differ
Number of products includedDiffers1 pc(s)2 pc(s)
Receiver includedKnown for oneYes
Wireless receiver interfaceKnown for oneUSB Type-A
Batteries includedKnown for oneYes
AC adapter includedNoNo
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 period3 year(s)3 year(s)
Recycling dataidentical
Product post-consumer recycled plasticKnown for one95%
Sustainabilityidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC), UKCA

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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