Product comparison · 2 modems

NETGEAR CM400-100NAS modem 340000 Kbit/s vs NETGEAR MBM621 modem

9specifications compared
6differ
3identical
21known for one product only

Key differences

The NETGEAR CM400-100NAS modem 340000 Kbit/s has 121.616 Mbit/s more upstream data rate than the NETGEAR MBM621 modem (122 Mbit/s vs 0.384 Mbit/s). The NETGEAR CM400-100NAS modem 340000 Kbit/s has 339.4 Mbit/s more downstream data rate than the NETGEAR MBM621 modem (343 Mbit/s vs 3.6 Mbit/s). The NETGEAR MBM621 modem has 84 mm more depth than the NETGEAR CM400-100NAS modem 340000 Kbit/s (114 mm vs 30 mm).

Upstream data rate
- CM400-100NAS modem 340000 Kbit/s:122 Mbit/s
- MBM621 modem:0.384 Mbit/s
Downstream data rate
- CM400-100NAS modem 340000 Kbit/s:343 Mbit/s
- MBM621 modem:3.6 Mbit/s
Depth
- CM400-100NAS modem 340000 Kbit/s:30 mm
- MBM621 modem:114 mm
Height
- CM400-100NAS modem 340000 Kbit/s:147 mm
- MBM621 modem:25 mm
Weight
- CM400-100NAS modem 340000 Kbit/s:190 g
- MBM621 modem:300 g
Width
- CM400-100NAS modem 340000 Kbit/s:96 mm
- MBM621 modem:172 mm

Side by side

Differences highlightedShow differences only

Comparison of CM400-100NAS, MBM621
30 specifications	A NETGEAR CM400-100NAS modem 340000 Kbit/s Model CM400-100NAS View product	B NETGEAR MBM621 modem Model MBM621 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
Performance2 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	0.384 Mbit/s
Downstream data rateDiffers	343 Mbit/s	3.6 Mbit/s
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Supported protocolsKnown for one	Unknown — not stated by the source	IPv4, TCP, UDP, DHCP, IEEE 802.2, IEEE 802.3, ICMP, HTTP, TFTP, NTP
Featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Internal	No	No
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
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
Connectivity LEDsKnown 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 poweredKnown for one	No	Unknown — not stated by the source
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
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 systemsKnown for one	Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CableLabs	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	30 mm	114 mm
HeightDiffers	147 mm	25 mm
WeightDiffers	190 g	300 g
WidthDiffers	96 mm	172 mm
Packaging contentidentical
Cables includedKnown for one	LAN (RJ-45)	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 70 °C

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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