Product comparison · 2 wired routers

D-Link DSL-2500U/BB wired router Fast Ethernet Black vs Linksys LN3121-KE wired router Gigabit Ethernet Black

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  • 21specifications compared
  • 13differ
  • 8identical
  • 71known for one product only

Key differences

The Linksys LN3121-KE wired router Gigabit Ethernet Black has 3 more Ethernet LAN (RJ-45) ports than the D-Link DSL-2500U/BB wired router Fast Ethernet Black (4 vs 1). The Linksys LN3121-KE wired router Gigabit Ethernet Black has 110 mm more width than the D-Link DSL-2500U/BB wired router Fast Ethernet Black (215 mm vs 105 mm). The Linksys LN3121-KE wired router Gigabit Ethernet Black has 118 mm more depth than the D-Link DSL-2500U/BB wired router Fast Ethernet Black (150 mm vs 32 mm). Only the D-Link DSL-2500U/BB wired router Fast Ethernet Black has DSL WAN. Only the D-Link DSL-2500U/BB wired router Fast Ethernet Black has universal Plug and Play (UPnP).

  • DSL WAN
    • DSL-2500U/BB wired router Fast Ethernet Black:Yes
    • LN3121-KE wired router Gigabit Ethernet Black:No
  • Ethernet interface type
    • DSL-2500U/BB wired router Fast Ethernet Black:Fast Ethernet
    • LN3121-KE wired router Gigabit Ethernet Black:Gigabit Ethernet
  • Ethernet LAN data rates
    • DSL-2500U/BB wired router Fast Ethernet Black:10,100 Mbit/s
    • LN3121-KE wired router Gigabit Ethernet Black:10,100,1000 Mbit/s
  • Universal Plug and Play (UPnP)
    • DSL-2500U/BB wired router Fast Ethernet Black:Yes
    • LN3121-KE wired router Gigabit Ethernet Black:No
  • Ethernet LAN (RJ-45) ports
    • DSL-2500U/BB wired router Fast Ethernet Black:1
    • LN3121-KE wired router Gigabit Ethernet Black:4
  • LED indicators
    • DSL-2500U/BB wired router Fast Ethernet Black:Yes
    • LN3121-KE wired router Gigabit Ethernet Black:Light
  • On/off switch
    • DSL-2500U/BB wired router Fast Ethernet Black:Yes
    • LN3121-KE wired router Gigabit Ethernet Black:No
  • Operating temperature (T-T)
    • DSL-2500U/BB wired router Fast Ethernet Black:0 - 40 °C
    • LN3121-KE wired router Gigabit Ethernet Black:0 - 50 °C

Side by side

Differences highlightedShow differences only (off)
Comparison of DSL-2500U/BB, LN3121-KE
92 specifications
WAN connection1 differ
Ethernet WANYesYes
DSL WANDiffersYesNo
SIM card slotKnown for oneUnknown — not stated by the sourceNo
3G/4G USB modem compatibilityKnown for oneUnknown — not stated by the sourceNo
SFP WANKnown for oneUnknown — not stated by the sourceNo
Network3 differ
Networking standardsDiffersIEEE 802.1pIEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11g
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Data transfer rateKnown for oneUnknown — not stated by the source5400 Mbit/s
Port forwardingKnown for oneUnknown — not stated by the sourceYes
Automatic channel selectionKnown for oneUnknown — not stated by the sourceYes
Supports ISDN connectionKnown for oneUnknown — not stated by the sourceNo
Frequency rangeKnown for oneUnknown — not stated by the source5.470 - 5.850 GHz
Cabling technologyKnown for one10/100Base-T(X)Unknown — not stated by the source
Mobile networkidentical
Mobile network generationKnown for oneUnknown — not stated by the sourceNot supported
DSL featuresidentical
Internal modemKnown for oneUnknown — not stated by the sourceNo
ADSL2+Known for oneYesUnknown — not stated by the source
Management features1 differ
Web-based managementYesYes
Quality of Service (QoS) supportYesYes
Universal Plug and Play (UPnP)DiffersYesNo
Priority mappingKnown for oneUnknown — not stated by the sourceYes
Reset buttonYesYes
WPS push buttonKnown for oneUnknown — not stated by the sourceYes
Firmware upgradeableKnown for oneUnknown — not stated by the sourceYes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers14
WAN/Ethernet LAN ports quantityKnown for oneUnknown — not stated by the source1
WAN ports quantityKnown for oneUnknown — not stated by the source1
Number of console portsKnown for oneUnknown — not stated by the source0
USB charging portKnown for oneUnknown — not stated by the sourceYes
USB ports quantityKnown for oneUnknown — not stated by the source1
USB versionKnown for oneUnknown — not stated by the sourceUSB 3.2 Gen 2x2
DC-in jackKnown for oneUnknown — not stated by the sourceYes
RJ-11 ports quantityKnown for one1Unknown — not stated by the source
Security1 differ
Security algorithmsKnown for oneUnknown — not stated by the sourceWPA2, WPA3
FirewallKnown for oneUnknown — not stated by the sourceYes
Firewall securityDiffersNetwork address translation (NAT) firewall, Stateful packet inspection (SPI) firewallSPI
IP address filteringYesYes
Guest accessKnown for oneUnknown — not stated by the sourceYes
MAC address filteringKnown for oneYesUnknown — not stated by the source
URL filteringKnown for oneYesUnknown — not stated by the source
Filtering descriptionKnown for oneICMP, TCP, UDPUnknown — not stated by the source
VPN supportKnown for oneIPSec/PPTP/L2TPUnknown — not stated by the source
NAT functionalityKnown for oneyUnknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
ManualKnown for oneUnknown — not stated by the sourceYes
Quick installation guideKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes
User Guide on CD-ROMKnown for oneUnknown — not stated by the sourceNo
Batteries includedKnown for oneUnknown — not stated by the sourceNo
Certificatesidentical
PSTI certifiedKnown for oneUnknown — not stated by the sourceYes
Waste Electrical and Electronic Equipment (WEEE) complianceKnown for oneUnknown — not stated by the sourceYes
Sustainability complianceKnown for oneUnknown — not stated by the sourceYes
Supplier featuresidentical
Product or Article Information Sheet available?Known for oneUnknown — not stated by the sourceYes
Featuresidentical
Built-in processorKnown for oneUnknown — not stated by the sourceYes
Processor manufacturerKnown for oneUnknown — not stated by the sourceQualcomm
Processor frequencyKnown for oneUnknown — not stated by the source1000 MHz
SafetyKnown for oneCSA INTERNATIONAL, CE, ROHS COMPLIANTUnknown — not stated by the source
CertificationKnown for oneCE FCC Class B CE TBR-21 FCC Part 68 A-TICKUnknown — not stated by the source
Design2 differ
Product colourBlackBlack
Housing materialKnown for oneUnknown — not stated by the sourcePlastic
Rack mountingKnown for oneUnknown — not stated by the sourceNo
Wall mountableKnown for oneUnknown — not stated by the sourceNo
LED indicatorsDiffersYesLight
Built-in displayKnown for oneUnknown — not stated by the sourceNo
On/off switchDiffersYesNo
Country of originKnown for oneUnknown — not stated by the sourceVietnam
Antennaidentical
Antenna typeKnown for oneUnknown — not stated by the sourceExternal
Antenna gain level (max)Known for oneUnknown — not stated by the source2.92 dBi
Antennas quantityKnown for oneUnknown — not stated by the source4
Detachable antenna(s)Known for oneUnknown — not stated by the sourceNo
Poweridentical
Power source typeKnown for oneUnknown — not stated by the sourceAC
AC input voltageKnown for oneUnknown — not stated by the source100 - 240 V
AC input frequencyKnown for oneUnknown — not stated by the source50/60 Hz
Output voltageKnown for oneUnknown — not stated by the source12 V
Output currentKnown for oneUnknown — not stated by the source2 A
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 50 °C
Storage temperature (T-T)-20 - 70 °C-20 - 70 °C
Operating relative humidity (H-H)Known for one5 - 95%Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers105 mm215 mm
DepthDiffers32 mm150 mm
HeightDiffers120 mm215 mm
WeightKnown for oneUnknown — not stated by the source710 g
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source225 mm
Package depthKnown for oneUnknown — not stated by the source87 mm
Package heightKnown for oneUnknown — not stated by the source240 mm
Package weightKnown for oneUnknown — not stated by the source1.15 kg
Package typeKnown for oneUnknown — not stated by the sourceBox
Wireless LAN featuresidentical
Dual-bandKnown for oneNoUnknown — not stated by the source
Protocolsidentical
DHCP clientKnown for oneYesUnknown — not stated by the source
DHCP serverKnown for oneYesUnknown — not stated by the source
DMZ supportKnown for oneYesUnknown — not stated by the source

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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