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Product comparison · 2 wired routers

FRITZ!Box 4020 Polska vs Linksys LN3121-KE wired router Gigabit Ethernet Black

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  • 27specifications compared
  • 17differ
  • 10identical
  • 56known for one product only

Key differences

The Linksys LN3121-KE wired router Gigabit Ethernet Black has 49 mm more width than the FRITZ!Box 4020 Polska (215 mm vs 166 mm). The Linksys LN3121-KE wired router Gigabit Ethernet Black has 30 mm more depth than the FRITZ!Box 4020 Polska (150 mm vs 120 mm). The Linksys LN3121-KE wired router Gigabit Ethernet Black has 167 mm more height than the FRITZ!Box 4020 Polska (215 mm vs 48 mm). Only the FRITZ!Box 4020 Polska has wall mountable. Ethernet interface type: Fast Ethernet on the FRITZ!Box 4020 Polska, Gigabit Ethernet on the Linksys LN3121-KE wired router Gigabit Ethernet Black.

  • Ethernet interface type
    • Fast Ethernet
    • Gigabit Ethernet
  • Ethernet LAN data rates
    • 100 Mbit/s
    • 10,100,1000 Mbit/s
  • Frequency range
    • 2.4
    • 5.470 - 5.850 GHz
  • USB version
    • 2.0
    • USB 3.2 Gen 2x2
  • Security algorithms
    • WPA2, WPS
    • WPA2, WPA3
  • Product colour
    • Red, Silver
    • Black
  • Wall mountable
    • Yes
    • No
  • LED indicators
    • DSL, LAN, Power, WLAN
    • Light

Side by side

Differences highlightedShow differences only
83 specifications
A

FRITZ!

FRITZ!Box 4020 PolskaView product
B

Linksys

LN3121-KE wired router Gigabit Ethernet Black

Model LN3121-KE

View product
WAN connectionidentical
Ethernet WANYesYes
DSL WANKnown for oneNo
SIM card slotKnown for oneNo
3G/4G USB modem compatibilityKnown for oneNo
SFP WANKnown for oneNo
Network4 differ
Networking standardsDiffersIEEE 802.11b, IEEE 802.11g, IEEE 802.11nIEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11g
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
Ethernet LANYesYes
Ethernet LAN data ratesDiffers100 Mbit/s10,100,1000 Mbit/s
Data transfer rateKnown for one5400 Mbit/s
Port forwardingKnown for oneYes
Automatic channel selectionKnown for oneYes
Supports ISDN connectionNoNo
Frequency rangeDiffers2.45.470 - 5.850 GHz
Cabling technologyKnown for one10/100Base-T(X)
Mobile networkidentical
Mobile network generationKnown for oneNot supported
DSL featuresidentical
Internal modemNoNo
Management featuresidentical
Web-based managementYesYes
Quality of Service (QoS) supportKnown for oneYes
Universal Plug and Play (UPnP)Known for oneNo
Priority mappingKnown for oneYes
Reset buttonKnown for oneYes
WPS push buttonKnown for oneYes
Firmware upgradeableKnown for oneYes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports44
WAN/Ethernet LAN ports quantityKnown for one1
WAN ports quantityKnown for one1
Number of console portsKnown for one0
USB charging portKnown for oneYes
USB ports quantity11
USB versionDiffers2.0USB 3.2 Gen 2x2
DC-in jackKnown for oneYes
Security1 differ
Security algorithmsDiffersWPA2, WPSWPA2, WPA3
FirewallYesYes
Firewall securityKnown for oneSPI
IP address filteringKnown for oneYes
Guest accessKnown for oneYes
Packaging contentidentical
AC adapter includedKnown for oneYes
ManualKnown for oneYes
Quick installation guideKnown for oneYes
Quick start guideKnown for oneYes
User Guide on CD-ROMKnown for oneNo
Batteries includedKnown for oneNo
Certificatesidentical
PSTI certifiedKnown for oneYes
Waste Electrical and Electronic Equipment (WEEE) complianceKnown for oneYes
Sustainability complianceKnown for oneYes
Supplier featuresidentical
Product or Article Information Sheet available?Known for oneYes
Featuresidentical
Built-in processorKnown for oneYes
Processor manufacturerKnown for oneQualcomm
Processor frequencyKnown for one1000 MHz
Design3 differ
Product colourDiffersRed, SilverBlack
Housing materialKnown for onePlastic
Rack mountingNoNo
Wall mountableDiffersYesNo
LED indicatorsDiffersDSL, LAN, Power, WLANLight
Built-in displayKnown for oneNo
On/off switchKnown for oneNo
Country of originKnown for oneVietnam
Antennaidentical
Antenna typeKnown for oneExternal
Antenna gain level (max)Known for one2.92 dBi
Antennas quantityKnown for one4
Detachable antenna(s)NoNo
Poweridentical
Power source typeKnown for oneAC
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50/60 Hz
Output voltageKnown for one12 V
Output currentKnown for one2 A
Power consumption (typical)Known for one7 W
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 50 °C
Storage temperature (T-T)Known for one-20 - 70 °C
Weight & dimensions4 differ
WidthDiffers166 mm215 mm
DepthDiffers120 mm150 mm
HeightDiffers48 mm215 mm
WeightDiffers200 g710 g
Packaging data4 differ
Package widthDiffers260 mm225 mm
Package depthDiffers68 mm87 mm
Package heightDiffers183 mm240 mm
Package weightDiffers502 g1.15 kg
Package typeKnown for oneBox
Wireless LAN featuresidentical
Dual-bandKnown for oneNo
Protocolsidentical
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Other featuresidentical
WLAN data transfer rates supportedKnown for one450 Mbit/s

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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