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Product comparison · 2 wired routers

Linksys LN3121-KE wired router Gigabit Ethernet Black vs TP-Link TL-ER5120 V3.0

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  • 23specifications compared
  • 11differ
  • 12identical
  • 73known for one product only

Key differences

The TP-Link TL-ER5120 V3.0 has 1 more Ethernet LAN (RJ-45) ports than the Linksys LN3121-KE wired router Gigabit Ethernet Black (5 vs 4). The TP-Link TL-ER5120 V3.0 has 225 mm more width than the Linksys LN3121-KE wired router Gigabit Ethernet Black (440 mm vs 215 mm). The TP-Link TL-ER5120 V3.0 has 30 mm more depth than the Linksys LN3121-KE wired router Gigabit Ethernet Black (180 mm vs 150 mm). Only the TP-Link TL-ER5120 V3.0 has rack mounting. Only the TP-Link TL-ER5120 V3.0 has on/off switch.

  • Ethernet LAN (RJ-45) ports
    • 4
    • 5
  • Rack mounting
    • No
    • Yes
  • On/off switch
    • No
    • Yes
  • AC input frequency
    • 50/60 Hz
    • 50 - 60 Hz
  • Operating temperature (T-T)
    • 0 - 50 °C
    • 0 - 40 °C
  • Storage temperature (T-T)
    • -20 - 70 °C
    • -40 - 70 °C
  • Width
    • 215 mm
    • 440 mm
  • Depth
    • 150 mm
    • 180 mm

Side by side

Differences highlightedShow differences only
96 specifications
A

Linksys

LN3121-KE wired router Gigabit Ethernet Black

Model LN3121-KE

View product
B

TP-Link

TL-ER5120 V3.0View product
WAN connectionidentical
Ethernet WANYesYes
DSL WANNoNo
SIM card slotNoNo
3G/4G USB modem compatibilityNoNo
SFP WANKnown for oneNo
Network1 differ
Networking standardsDiffersIEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11gIEEE 802.1Q, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Ethernet interface typeGigabit EthernetGigabit Ethernet
Ethernet LANKnown for oneYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
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)
ThroughputKnown for one0.8 Gbit/s
VLAN supportKnown for oneYes
Mobile networkidentical
Mobile network generationKnown for oneNot supported
DSL featuresidentical
Internal modemKnown for oneNo
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 buttonYesYes
WPS push buttonKnown for oneYes
Firmware upgradeableKnown for oneYes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers45
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
DC-in jackKnown for oneYes
Securityidentical
Security algorithmsKnown for oneWPA2, WPA3
FirewallKnown for oneYes
Firewall securityKnown for oneSPI
IP address filteringKnown for oneYes
Guest accessKnown for oneYes
MAC address filteringKnown for oneYes
URL filteringKnown for oneYes
Network address translation (NAT)Known for oneYes
System event logKnown for oneYes
NAT functionalityKnown for oneOne-to-One NAT, Multi-nets NAT, Virtual Server, Port Triggering FTP/H.323/SIP/IPsec/PPTP ALG, UPnP
Packaging contentidentical
AC adapter includedKnown for oneYes
ManualKnown for oneYes
Quick installation guideYesYes
Quick start guideKnown for oneYes
User Guide on CD-ROMKnown for oneNo
Batteries includedKnown for oneNo
Cables includedKnown for oneAC
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
Flash memoryKnown for one32 MB
Internal memoryKnown for one256 MB
Internal memory typeKnown for oneDRAM
CertificationKnown for oneCE, FCC, RoHS
Design3 differ
Product colourBlackBlack
Housing materialKnown for onePlastic
Rack mountingDiffersNoYes
Wall mountableKnown for oneNo
LED indicatorsDiffersLightActivity, Link, Power, Speed, System, WAN
Built-in displayKnown for oneNo
On/off switchDiffersNoYes
Country of originKnown for oneVietnam
Rack capacityKnown for one1U
Antennaidentical
Antenna typeKnown for oneExternal
Antenna gain level (max)Known for one2.92 dBi
Antennas quantityKnown for one4
Detachable antenna(s)Known for oneNo
Power1 differ
Power source typeKnown for oneAC
AC input voltage100 - 240 V100 - 240 V
AC input frequencyDiffers50/60 Hz50 - 60 Hz
Output voltageKnown for one12 V
Output currentKnown for one2 A
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 50 °C0 - 40 °C
Storage temperature (T-T)Differs-20 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one5 - 90%
Weight & dimensions3 differ
WidthDiffers215 mm440 mm
DepthDiffers150 mm180 mm
HeightDiffers215 mm44 mm
WeightKnown for one710 g
Packaging dataidentical
Package widthKnown for one225 mm
Package depthKnown for one87 mm
Package heightKnown for one240 mm
Package weightKnown for one1.15 kg
Package typeBoxBox
Protocolsidentical
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Supported protocolsKnown for oneTCP/IP, DHCP, ICMP, NAT, PPPoE, SNTP, HTTP, DNS, PPTP, L2TP

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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