Product comparison · 2 modems

NETGEAR CM400-100NAS modem 340000 Kbit/s vs NETGEAR CMD31T modem

16specifications compared
9differ
7identical
14known for one product only

Key differences

The NETGEAR CMD31T modem has 28 Mbit/s more upstream data rate than the NETGEAR CM400-100NAS modem 340000 Kbit/s (150 Mbit/s vs 122 Mbit/s). The NETGEAR CM400-100NAS modem 340000 Kbit/s has 193 Mbit/s more downstream data rate than the NETGEAR CMD31T modem (343 Mbit/s vs 150 Mbit/s). The NETGEAR CMD31T modem has 84 mm more depth than the NETGEAR CM400-100NAS modem 340000 Kbit/s (114 mm vs 30 mm). Networking features: Gigabit Ethernet on the NETGEAR CM400-100NAS modem 340000 Kbit/s, Gigabit Ethernet, TCP/IP on the NETGEAR CMD31T modem. Certification: CableLabs on the NETGEAR CM400-100NAS modem 340000 Kbit/s, CEC RoHS WEEE on the NETGEAR CMD31T modem.

Upstream data rate
- CM400-100NAS modem 340000 Kbit/s:122 Mbit/s
- CMD31T modem:150 Mbit/s
Downstream data rate
- CM400-100NAS modem 340000 Kbit/s:343 Mbit/s
- CMD31T modem:150 Mbit/s
Networking features
- CM400-100NAS modem 340000 Kbit/s:Gigabit Ethernet
- CMD31T modem:Gigabit Ethernet, TCP/IP
Certification
- CM400-100NAS modem 340000 Kbit/s:CableLabs
- CMD31T modem:CEC RoHS WEEE
Depth
- CM400-100NAS modem 340000 Kbit/s:30 mm
- CMD31T modem:114 mm
Height
- CM400-100NAS modem 340000 Kbit/s:147 mm
- CMD31T modem:30 mm
Weight
- CM400-100NAS modem 340000 Kbit/s:190 g
- CMD31T modem:310 g
Width
- CM400-100NAS modem 340000 Kbit/s:96 mm
- CMD31T modem:175 mm

Side by side

Differences highlightedShow differences only

Comparison of CM400-100NAS, CMD31T
30 specifications	A NETGEAR CM400-100NAS modem 340000 Kbit/s Model CM400-100NAS View product	B NETGEAR CMD31T modem Model CMD31T View product
Modemidentical
Modem speedKnown for one	340000 Kbit/s	Unknown — not stated by the source
Internal memoryKnown for one	64 MB	Unknown — not stated by the source
Flash memoryKnown for one	8 MB	Unknown — not stated by the source
Performance3 differ
Copper ethernet cabling technologyKnown for one	10BASE-T, 100BASE-TX, 1000BASE-T	Unknown — not stated by the source
Upstream data rateDiffers	122 Mbit/s	150 Mbit/s
Downstream data rateDiffers	343 Mbit/s	150 Mbit/s
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, TCP/IP
Featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Internal	No	No
LED indicators	Yes	Yes
CompatibilityKnown for one	DOCSIS 3.0 / DOCSIS 2.0	Unknown — not stated by the source
Intel insideKnown for one	Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Poweridentical
Power supply typeKnown for one	DC	Unknown — not stated by the source
USB powered	No	No
System requirements1 differ
Mac compatibility	Yes	Yes
Browser supportedKnown for one	Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, Google Chrome 11.0	Unknown — not stated by the source
Compatible operating systemsDiffers	Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS	Microsoft Windows 7, Vista, XP, 2000, Mac OS
Minimum system requirementsKnown for one	Unknown — not stated by the source	Cable Broadband Internet
Certificates1 differ
CertificationDiffers	CableLabs	CEC RoHS WEEE
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS, CE, WEEE
Compliance industry standardsKnown for one	Unknown — not stated by the source	IPv6
Weight & dimensions4 differ
DepthDiffers	30 mm	114 mm
HeightDiffers	147 mm	30 mm
WeightDiffers	190 g	310 g
WidthDiffers	96 mm	175 mm
Packaging contentidentical
Cables included	LAN (RJ-45)	LAN (RJ-45)
Quick start guideKnown for one	Yes	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.

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