D-Link DIR-120/E wired router vs Zyxel Prestige 660R-D1 wired router

Comparison of DIR-120/E, 660R-D1

18 specifications	A D-Link DIR-120/E wired router Model DIR-120/E View product	B Zyxel Prestige 660R-D1 wired router Model 660R-D1 View product
Networkidentical
Supports ISDN connection	No	No
Networking standardsKnown for one	IEEE 802.3x	—Unknown — not stated by the source
DSL featuresidentical
ADSLKnown for one	—Unknown — not stated by the source	Yes
Downstream data rateKnown for one	—Unknown — not stated by the source	24 Mbit/s
DSL specificationKnown for one	—Unknown — not stated by the source	G.992.1 Annex A
Ports & interfaces1 differ
I/O portsDiffers	1 x 10/100BaseTX - RJ45 (WAN) 4 x 10/100BaseTX - RJ45 (LAN) 1 x USB PrintServer	1x 10/100 Ethernet (RJ-45) 1x ADSL (RJ-11)
Protocols1 differ
Supported network protocolsDiffers	PPTP, L2TP, IPSec, PPPoE	IEEE 802.1d, 802.1q, IP Routing: TCP, UDP, ICMP, ARP, RIPv1 & RIPv2, Static Route,IP Multicast IGMP v1/v2, IP Policy Route
Switching protocolsKnown for one	Ethernet	—Unknown — not stated by the source
Data link protocolsKnown for one	Ethernet, Fast Ethernet	—Unknown — not stated by the source
Management protocolsKnown for one	HTTP	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	20 - 85%
Other features1 differ
Connectivity technology	Wired	Wired
Dimensions (WxDxH)Differs	148 x 114 x 32 mm	105 x 106.5 x 35 mm
Management platformKnown for one	—Unknown — not stated by the source	Web-based
Maximum data transfer rate	0.1 Gbit/s	0.1 Gbit/s
Networking featuresKnown for one	—Unknown — not stated by the source	Ethernet LAN, ADSL
Weight & dimensionsidentical
WeightKnown for one	231 g	—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.