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 (on)
Comparison of DSL-2500U/BB, LN3121-KE
92 specifications
WAN connection1 differ
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 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
Universal Plug and Play (UPnP)DiffersYesNo
Priority mappingKnown for oneUnknown — not stated by the sourceYes
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
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
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
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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