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Product comparison · 2 wireless routers

D-Link DSL-2640U wireless router Fast Ethernet vs D-Link DSL-2740U wireless router Fast Ethernet

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  • 36specifications compared
  • 16differ
  • 20identical
  • 13known for one product only

Key differences

  • Top Wi-Fi standard
    • 802.11g
    • Wi-Fi 4 (802.11n)
  • VPN support
    • IPSec, PPTP, L2TP
    • PPTP, IPSec, L2TP
  • Ethernet LAN (RJ-45) ports
    • 1
    • 4
  • MAC address filtering
    • No
    • Yes
  • LED indicators
    • DSL, LAN, Power, Status
    • DSL, LAN, Power, WLAN
  • Certification
    • FCC, CE, CSA, LVD, RoHS
    • CE, EN
  • Antennas quantity
    • 1
    • 2
  • Storage temperature (T-T)
    • -20 - 65 °C
    • -20 - 70 °C

Side by side

Differences highlightedShow differences only
49 specifications
A

D-Link

DSL-2640U wireless router Fast Ethernet

Model DSL-2640U

View product
B

D-Link

DSL-2740U wireless router Fast Ethernet

Model DSL-2740U

View product
Wireless LAN features2 differ
Top Wi-Fi standardDiffers802.11gWi-Fi 4 (802.11n)
WLAN data transfer rate (max)Known for one300 Mbit/s
Wi-Fi standardsDiffers802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Network2 differ
Ethernet LANYesYes
Ethernet LAN interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Cabling technology10/100Base-T(X)10/100Base-T(X)
Networking standardsDiffersIEEE 802.11b, IEEE 802.11e, IEEE 802.11g, IEEE 802.1pIEEE 802.11b, IEEE 802.11e, IEEE 802.11g, IEEE 802.11n
VPN supportDiffersIPSec, PPTP, L2TPPPTP, IPSec, L2TP
DSL features1 differ
ADSL2+YesYes
DSL specificationDiffersADSL: ANSI T1.413, ITU-T G.992.1 Annex A, ITU-T G.992.2 Annex A, ITU-T G.994.1; ADSL2: ITU-T G.992.3 Annex A/L/M, ITU-T G.992.4 Annex A, ADSL2+: ITU-T G.992.5 Annex A/L/MƒT1.413, ITU G.992.1, ITU G.992.2, ITU G.994.1, ITU G.992.3, ITU G.992.4, ITU G.992.5
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers14
RJ-11 ports quantity11
DC-in jackYesYes
Management featuresidentical
Web-based managementYesYes
Quality of Service (QoS) supportYesYes
Reset buttonYesYes
Security2 differ
Security algorithmsDiffers128-bit AES, 128-bit WEP, 64-bit WEP, SSID, TKIP, WPA, WPA2128-bit WEP, 64-bit WEP, WPA, WPA2, WPS
Stateful Packet Inspection (SPI)Known for oneYes
DoS attack preventionKnown for oneYes
FilteringKnown for oneYes
MAC address filteringDiffersNoYes
DMZ supportYesYes
Network address translation (NAT)YesYes
Protocols1 differ
DHCP clientYesYes
DHCP serverYesYes
Universal Plug and Play (UPnP)YesYes
Supported network protocolsDiffersAAL5, ATM, ITU-T, PPP, PPPoE, RIP, NAT, DHCP, IGMP, SNTPATM, PPP, AAL5, PPPoE, RFC
Design1 differ
LED indicatorsDiffersDSL, LAN, Power, StatusDSL, LAN, Power, WLAN
Packaging contentidentical
AC adapter includedYesYes
Certificates1 differ
CertificationDiffersFCC, CE, CSA, LVD, RoHSCE, EN
Antenna1 differ
Antennas quantityDiffers12
Operational conditions1 differ
Operating relative humidity (H-H)Known for one5 - 95%
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-20 - 65 °C-20 - 70 °C
Other features3 differ
Dimensions (WxDxH)Known for one198 x 120 x 31 mm
Downstream data rate24 Mbit/s24 Mbit/s
Filtering descriptionKnown for oneIP, ICMP, TCP, UDP
Frequency rangeKnown for one2.4 - 2.4835 GHz
Input currentDiffers0.7 A1 A
Input voltageDiffers100 - 240 V12 V
Upstream data rate1 Mbit/s1 Mbit/s
WLAN data transfer rates supportedDiffers54 Mbit/s54,300 Mbit/s
xDSL connectionYesYes
BandwidthKnown for one2.4 GHz
Input frequencyKnown for one50 - 60 Hz
Networking featuresKnown for oneFast Ethernet
Operating temperature (T-T)Known for one32 - 104 °F
WAN connectionidentical
3G/4G USB modem compatibilityKnown for oneYes

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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