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Product comparison · 2 wired routers

Linksys LN3121-KE wired router Gigabit Ethernet Black vs Zyxel USG20-VPN wired router Grey, Red

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  • 34specifications compared
  • 19differ
  • 15identical
  • 62known for one product only

Key differences

The Zyxel USG20-VPN wired router Grey, Red has 0.08 dBi more antenna gain level (max) than the Linksys LN3121-KE wired router Gigabit Ethernet Black (3 dBi vs 2.92 dBi). The Linksys LN3121-KE wired router Gigabit Ethernet Black has 1 more antennas quantity than the Zyxel USG20-VPN wired router Grey, Red (4 vs 3). The Zyxel USG20-VPN wired router Grey, Red has 1 mm more width than the Linksys LN3121-KE wired router Gigabit Ethernet Black (216 mm vs 215 mm). Only the Zyxel USG20-VPN wired router Grey, Red has universal Plug and Play (UPnP). Only the Zyxel USG20-VPN wired router Grey, Red has on/off switch.

  • Universal Plug and Play (UPnP)
    • No
    • Yes
  • Security algorithms
    • WPA2, WPA3
    • SSID, SSL/TLS
  • Product colour
    • Black
    • Grey, Red
  • On/off switch
    • No
    • Yes
  • Antenna gain level (max)
    • 2.92 dBi
    • 3 dBi
  • Antennas quantity
    • 4
    • 3
  • Detachable antenna(s)
    • No
    • Yes
  • Power source type
    • AC
    • DC

Side by side

Differences highlightedShow differences only
96 specifications
A

Linksys

LN3121-KE wired router Gigabit Ethernet Black

Model LN3121-KE

View product
B

Zyxel

USG20-VPN wired router Grey, Red

Model USG20-VPN

View product
WAN connectionidentical
SFP WANKnown for oneNo
Networkidentical
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11g
Ethernet interface typeKnown for oneGigabit Ethernet
Data transfer rateKnown for one5400 Mbit/s
Port forwardingKnown for oneYes
Automatic channel selectionKnown for oneYes
Supports ISDN connectionKnown for oneNo
Frequency rangeKnown for one5.470 - 5.850 GHz
Cabling technologyKnown for one10/100/1000Base-T(X)
Full duplexKnown for oneYes
Auto MDI/MDI-XKnown for oneYes
Mobile networkidentical
Mobile network generationKnown for oneNot supported
DSL featuresidentical
Internal modemKnown for oneNo
Management features1 differ
Universal Plug and Play (UPnP)DiffersNoYes
Priority mappingKnown for oneYes
WPS push buttonKnown for oneYes
Firmware upgradeableKnown for oneYes
Ports & interfacesidentical
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 quantityKnown for one1
USB versionKnown for oneUSB 3.2 Gen 2x2
Security1 differ
Security algorithmsDiffersWPA2, WPA3SSID, SSL/TLS
Firewall securityKnown for oneSPI
IP address filteringKnown for oneYes
Guest accessKnown for oneYes
MAC address filteringKnown for oneYes
System event logKnown for oneYes
VPN tunnels quantityKnown for one10
Packaging contentidentical
ManualKnown for oneYes
Quick installation guideKnown for oneYes
Quick start guideKnown for oneYes
User Guide on CD-ROMKnown for oneNo
Batteries includedKnown for oneNo
Cables includedKnown for oneLAN (RJ-45)
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
Heat dissipationKnown for one40.92 BTU/h
Mean time between failures (MTBF)Known for one44000 h
SafetyKnown for oneBSMI, UL
Electromagnetic compatibilityKnown for oneFCC Part 15 (Class B), IC, CE EMC (Class B), RCM, BSMI
Design3 differ
Product colourDiffersBlackGrey, Red
Housing materialKnown for onePlastic
Rack mountingKnown for oneNo
Wall mountableKnown for oneNo
LED indicatorsDiffersLightActivity, LAN, Power, WAN, WLAN, WPS
Built-in displayKnown for oneNo
On/off switchDiffersNoYes
Country of originKnown for oneVietnam
Antenna3 differ
Antenna typeKnown for oneExternal
Antenna gain level (max)Differs2.92 dBi3 dBi
Antennas quantityDiffers43
Detachable antenna(s)DiffersNoYes
Antenna connector typeKnown for oneN-type
Power1 differ
Power source typeDiffersACDC
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50/60 Hz
Power supplyKnown for one12 W
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 50 °C0 - 40 °C
Storage temperature (T-T)Differs-20 - 70 °C-30 - 70 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one10 - 90%
Weight & dimensions4 differ
WidthDiffers215 mm216 mm
DepthDiffers150 mm143 mm
HeightDiffers215 mm33 mm
WeightDiffers710 g1.04 kg
Packaging data4 differ
Package widthDiffers225 mm276 mm
Package depthDiffers87 mm185 mm
Package heightDiffers240 mm98 mm
Package weightDiffers1.15 kg1.41 kg
Package typeKnown for oneBox
Protocolsidentical
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
DMZ supportKnown for oneYes
Other featuresidentical
FilteringKnown for oneYes

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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