Product comparison · 2 wired routers

D-Link DSL-2500U/BA/D4B wired router Black vs D-Link DSL-2520U/BA/D4A wired router Fast Ethernet Black

23specifications compared
1differ
22identical
8known for one product only

Key differences

The D-Link DSL-2520U/BA/D4A wired router Fast Ethernet Black has 3 more Ethernet LAN (RJ-45) ports than the D-Link DSL-2500U/BA/D4B wired router Black (4 vs 1).

Ethernet LAN (RJ-45) ports
- DSL-2500U/BA/D4B wired router Black:1
- DSL-2520U/BA/D4A wired router Fast Ethernet Black:4

Side by side

Differences highlightedShow differences only

Comparison of DSL-2500U/BA/D4B, DSL-2520U/BA/D4A
31 specifications	A D-Link DSL-2500U/BA/D4B wired router Black Model DSL-2500U/BA/D4B View product	B D-Link DSL-2520U/BA/D4A wired router Fast Ethernet Black Model DSL-2520U/BA/D4A View product
WAN connectionidentical
Ethernet WAN	Yes	Yes
DSL WAN	Yes	Yes
Networkidentical
Ethernet interface typeKnown for one	Unknown — not stated by the source	Fast Ethernet
Ethernet LAN	Yes	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Ethernet LAN data rates	10,100 Mbit/s	10,100 Mbit/s
DSL featuresidentical
Internal modemKnown for one	Unknown — not stated by the source	No
ADSL2+	Yes	Yes
Management featuresidentical
Web-based management	Yes	Yes
Quality of Service (QoS) support	Yes	Yes
Universal Plug and Play (UPnP)	Yes	Yes
Reset button	Yes	Yes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	1	4
RJ-11 ports quantity	1	1
USB versionKnown for one	Unknown — not stated by the source	1.1
Protocolsidentical
DHCP client	Yes	Yes
DHCP server	Yes	Yes
DMZ support	Yes	Yes
Securityidentical
Firewall security	Network address translation (NAT) firewall, Stateful packet inspection (SPI) firewall	Network address translation (NAT) firewall, Stateful packet inspection (SPI) firewall
MAC address filtering	Yes	Yes
URL filtering	Yes	Yes
IP address filtering	Yes	Yes
Filtering description	ICMP, TCP, UDP	ICMP, TCP, UDP
NAT functionality	y	y
Designidentical
Product colour	Black	Black
LED indicators	Yes	Yes
On/off switch	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 65 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Other featuresidentical
Supported WAN typeKnown for one	PPPoA PPPoE IPoE IPoA Bridge	Unknown — 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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