Product comparison · 2 wireless routers

D-Link DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz) vs Zyxel NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz

36specifications compared
14differ
22identical
38known for one product only

Key differences

Wi-Fi band
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):Single-band (2.4 GHz)
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:Dual-band (2.4 GHz / 5 GHz)
Top Wi-Fi standard
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):Wi-Fi 4 (802.11n)
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:Wi-Fi 5 (802.11ac)
VPN support
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):PPTP/IPSec/L2TP
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:IPSec/PPTP/L2TP
Detachable antenna(s)
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):No
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:Yes
Operating relative humidity (H-H)
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):5 - 95%
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:10 - 90%
Storage temperature (T-T)
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):-20 - 70 °C
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:-30 - 70 °C
Depth
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):182.8 mm
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:111 mm
Height
- DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz):32 mm
- NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz:23 mm

Side by side

Differences highlightedShow differences only

Comparison of DSL-2751/E, NBG6503
74 specifications	A D-Link DSL-2751/E wireless router Fast Ethernet Single-band (2.4 GHz) Model DSL-2751/E View product	B Zyxel NBG6503 wireless router Fast Ethernet Dual-band (2.4 GHz Model NBG6503 View product
WAN connectionidentical
DSL WANKnown for one	Yes	Unknown — not stated by the source
Ethernet WANKnown for one	Unknown — not stated by the source	Yes
Wireless LAN features3 differ
Wi-Fi bandDiffers	Single-band (2.4 GHz)	Dual-band (2.4 GHz / 5 GHz)
Top Wi-Fi standardDiffers	Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
WLAN data transfer rate (max)Known for one	300 Mbit/s	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
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 standardsKnown for one	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x	Unknown — not stated by the source
VPN supportDiffers	PPTP/IPSec/L2TP	IPSec/PPTP/L2TP
Mobile networkidentical
3G	No	No
4G	No	No
DSL featuresidentical
ADSL2+Known for one	Yes	Unknown — not stated by the source
Internal modemKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	4	4
USB portKnown for one	Yes	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
RJ-11 ports quantityKnown for one	1	Unknown — not stated by the source
DC-in jack	Yes	Yes
Management featuresidentical
Web-based management	Yes	Yes
Quality of Service (QoS) support	Yes	Yes
Reset button	Yes	Yes
Security1 differ
Security algorithmsDiffers	128-bit WEP, 64-bit WEP, 802.1x RADIUS, WPA, WPA2, WPS	128-bit WEP, 64-bit WEP, WPA, WPA-PSK, WPA2, WPA2-PSK, WPS
FirewallKnown for one	Yes	Unknown — not stated by the source
Firewall securityKnown for one	Intrusion Detection Systems (IDS)	Unknown — not stated by the source
Stateful Packet Inspection (SPI)Known for one	Yes	Unknown — not stated by the source
Filtering	Yes	Yes
MAC address filtering	Yes	Yes
DMZ supportKnown for one	Yes	Unknown — not stated by the source
DoS attack preventionKnown for one	Unknown — not stated by the source	Yes
Protocolsidentical
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Universal Plug and Play (UPnP)	Yes	Yes
Certificatesidentical
CertificationKnown for one	C-Tick CE FCC IC WHQL Wi-Fi WPS	Unknown — not stated by the source
Antenna1 differ
Antenna design	External	External
Antennas quantity	2	2
Detachable antenna(s)Differs	No	Yes
Operational conditions2 differ
Operating relative humidity (H-H)Differs	5 - 95%	10 - 90%
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Differs	-20 - 70 °C	-30 - 70 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 95%
Weight & dimensions4 differ
DepthDiffers	182.8 mm	111 mm
HeightDiffers	32 mm	23 mm
WeightDiffers	236 g	230 g
WidthDiffers	127.8 mm	159 mm
Other features2 differ
Mobile network connection	No	No
Bandwidth (first)	2.4 GHz	2.4 GHz
Downstream data rateKnown for one	24 Mbit/s	Unknown — not stated by the source
Filtering descriptionKnown for one	IP/ICMP/TCP/UDP	Unknown — not stated by the source
Input currentKnown for one	1 A	Unknown — not stated by the source
Rack mounting	No	No
USB ports quantityKnown for one	1	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
Upstream data rateKnown for one	1 Mbit/s	Unknown — not stated by the source
WLAN data transfer rates supportedDiffers	300 Mbit/s	300,430 Mbit/s
xDSL connectionDiffers	Yes	No
Bandwidth (second)Known for one	Unknown — not stated by the source	5 GHz
Frequency rangeKnown for one	Unknown — not stated by the source	2.4 - 5 GHz
Supported WAN typeKnown for one	Unknown — not stated by the source	IP, DHCP, PPPoE, PPTP
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
LED indicatorsKnown for one	Unknown — not stated by the source	LAN, Power, WAN, WLAN
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	LAN (RJ-45)
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Firmware upgradeableKnown for one	Unknown — not stated by the source	Yes
Electromagnetic compatibilityKnown for one	Unknown — not stated by the source	CE, FCC, IC
SafetyKnown for one	Unknown — not stated by the source	CE-LVD
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	8 W
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	272 mm
Package depthKnown for one	Unknown — not stated by the source	194 mm
Package heightKnown for one	Unknown — not stated by the source	60 mm
Package weightKnown for one	Unknown — not stated by the source	500 g

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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