Product comparison · 2 modems

NETGEAR CM2500-100S modem 2000000 Kbit/s vs Zyxel P-871M VDSL Modem

8specifications compared
8differ
0identical
17known for one product only

Key differences

The NETGEAR CM2500-100S modem 2000000 Kbit/s has 960 Mbit/s more upstream data rate than the Zyxel P-871M VDSL Modem (1000 Mbit/s vs 40 Mbit/s). The NETGEAR CM2500-100S modem 2000000 Kbit/s has 1,920 Mbit/s more downstream data rate than the Zyxel P-871M VDSL Modem (2000 Mbit/s vs 80 Mbit/s). The NETGEAR CM2500-100S modem 2000000 Kbit/s has 1 more Ethernet LAN (RJ-45) ports than the Zyxel P-871M VDSL Modem (2 vs 1).

Upstream data rate
- CM2500-100S modem 2000000 Kbit/s:1000 Mbit/s
- P-871M VDSL Modem:40 Mbit/s
Downstream data rate
- CM2500-100S modem 2000000 Kbit/s:2000 Mbit/s
- P-871M VDSL Modem:80 Mbit/s
Ethernet LAN (RJ-45) ports
- CM2500-100S modem 2000000 Kbit/s:2
- P-871M VDSL Modem:1
Depth
- CM2500-100S modem 2000000 Kbit/s:94 mm
- P-871M VDSL Modem:132 mm
Height
- CM2500-100S modem 2000000 Kbit/s:208 mm
- P-871M VDSL Modem:40 mm
Weight
- CM2500-100S modem 2000000 Kbit/s:495 g
- P-871M VDSL Modem:307 g
Width
- CM2500-100S modem 2000000 Kbit/s:172 mm
- P-871M VDSL Modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of CM2500-100S, P-871M VDSL Modem
25 specifications	A NETGEAR CM2500-100S modem 2000000 Kbit/s Model CM2500-100S View product	B Zyxel P-871M VDSL Modem View product
Modemidentical
Modem typeKnown for one	Cable modem (DOCSIS 3.1)	Unknown — not stated by the source
Modem speedKnown for one	2000000 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	2 × Gigabit Ethernet (RJ-45), Coaxial (F-type)	Unknown — not stated by the source
Form factorKnown for one	Desktop	Unknown — not stated by the source
Performance3 differ
Supported data transfer ratesKnown for one	10/100/1000	Unknown — not stated by the source
Data link protocolsDiffers	DOCSIS 3.1, DOCSIS 3.0, Ethernet	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Upstream data rateDiffers	1000 Mbit/s	40 Mbit/s
Downstream data rateDiffers	2000 Mbit/s	80 Mbit/s
Maximum data transfer rateKnown for one	2000 Mbit/s	Unknown — not stated by the source
ModulationKnown for one	OFDM, OFDMA, QAM	Unknown — not stated by the source
Networking featuresKnown for one	Link Aggregation, IPv6	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3, IEEE 802.3ab	Unknown — not stated by the source
Supported protocolsKnown for one	IPv4, IPv6	Unknown — not stated by the source
Featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Ports & interfaces1 differ
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	2	1
Poweridentical
DC input voltageKnown for one	12 V	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	94 mm	132 mm
HeightDiffers	208 mm	40 mm
WeightDiffers	495 g	307 g
WidthDiffers	172 mm	189 mm
Packaging contentidentical
Cables includedKnown for one	LAN (RJ-45)	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	- EN55022 - EN61000-3-2: 2000 - EN61000-3-3: 1995+A1: 2001 - FCC Abschnitt 15 - CSA 60950-1 - UL 60950-1 - EN 60950-1: 2001+A11 - IEC 60950-1: 2001

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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