Product comparison · 2 wireless routers

D-Link DSL-2640U/RA/U1A wireless router Fast Ethernet Black vs D-Link DSL-2740U/B1A/T1A wireless router Fast Ethernet Black

30specifications compared
2differ
28identical
8known for one product only

Key differences

Security algorithms
- DSL-2640U/RA/U1A wireless router Fast Ethernet Black:TKIP, WEP, WPA, WPA2, WPS
- DSL-2740U/B1A/T1A wireless router Fast Ethernet Black:TKIP, WEP, WPA, WPA2

Side by side

Differences highlightedShow differences only

Comparison of DSL-2640U/RA/U1A, DSL-2740U/B1A/T1A
38 specifications	A D-Link DSL-2640U/RA/U1A wireless router Fast Ethernet Black Model DSL-2640U/RA/U1A View product	B D-Link DSL-2740U/B1A/T1A wireless router Fast Ethernet Black Model DSL-2740U/B1A/T1A View product
WAN connectionidentical
Ethernet WAN	Yes	Yes
DSL WAN	Yes	Yes
Wireless LAN featuresidentical
Wi-Fi band	No	No
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
ModulationKnown for one	Unknown — not stated by the source	16-QAM, 64-QAM, BPSK, CCK, DBPSK, DQPSK, DSSS, OFDM, PSK, QPSK
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN interface type	Fast Ethernet	Fast Ethernet
Ethernet LAN data rates	10,100 Mbit/s	10,100 Mbit/s
Cabling technology	10/100Base-T(X)	10/100Base-T(X)
Networking standardsDiffers	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1p
DSL featuresidentical
ADSL2+	Yes	Yes
Internal modem	No	No
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	4	4
RJ-11 ports quantity	1	1
Management featuresidentical
Quality of Service (QoS) support	Yes	Yes
Reset button	Yes	Yes
Security1 differ
Security algorithmsDiffers	TKIP, WEP, WPA, WPA2, WPS	TKIP, WEP, WPA, WPA2
FirewallKnown for one	Unknown — not stated by the source	Yes
Stateful Packet Inspection (SPI)	Yes	Yes
Filtering	Yes	Yes
MAC address filtering	Yes	Yes
URL filtering	Yes	Yes
DMZ support	Yes	Yes
Network address translation (NAT)	Yes	Yes
NAT functionality	y	y
Protocolsidentical
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Designidentical
Product colour	Black	Black
LED indicators	Yes	Yes
On/off switch	Yes	Yes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
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 - 70 °C
Other featuresidentical
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Supported WAN typeKnown for one	Unknown — not stated by the source	ADSL PPPoE PPPoA IPoA Static IP Dynamic IP Bridge Ethernet PPPoE Static IP Dynamic IP Bridge
xDSL connection	Yes	Yes

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.

More wireless router comparisons

All wireless router comparisons