Product comparison · 2 modems

D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router vs NETGEAR MBM621 modem

11specifications compared
9differ
2identical
10known for one product only

Key differences

The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 3.116 Mbit/s more upstream data rate than the NETGEAR MBM621 modem (3.5 Mbit/s vs 0.384 Mbit/s). The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 20.4 Mbit/s more downstream data rate than the NETGEAR MBM621 modem (24 Mbit/s vs 3.6 Mbit/s). The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 3 more Ethernet LAN (RJ-45) ports than the NETGEAR MBM621 modem (4 vs 1). Connectivity LEDs: DSL, LAN, Internet on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, Yes on the NETGEAR MBM621 modem. Storage temperature (T-T): -20 - 65 °C on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, -20 - 70 °C on the NETGEAR MBM621 modem.

Upstream data rate
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:3.5 Mbit/s
- MBM621 modem:0.384 Mbit/s
Downstream data rate
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:24 Mbit/s
- MBM621 modem:3.6 Mbit/s
Connectivity LEDs
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:DSL, LAN, Internet
- MBM621 modem:Yes
Ethernet LAN (RJ-45) ports
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:4
- MBM621 modem:1
Storage temperature (T-T)
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:-20 - 65 °C
- MBM621 modem:-20 - 70 °C
Depth
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:150 mm
- MBM621 modem:114 mm
Height
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:33 mm
- MBM621 modem:25 mm
Weight
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:318 g
- MBM621 modem:300 g

Side by side

Differences highlightedShow differences only

Comparison of DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, MBM621
21 specifications	A D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router View product	B NETGEAR MBM621 modem Model MBM621 View product
Modemidentical
Modem typeKnown for one	ADSL2, ADSL2+	Unknown — not stated by the source
InterfaceKnown for one	ADSL2, ADSL2+	Unknown — not stated by the source
Performance2 differ
Upstream data rateDiffers	3.5 Mbit/s	0.384 Mbit/s
Downstream data rateDiffers	24 Mbit/s	3.6 Mbit/s
Supported protocolsKnown for one	Unknown — not stated by the source	IPv4, TCP, UDP, DHCP, IEEE 802.2, IEEE 802.3, ICMP, HTTP, TFTP, NTP
Features1 differ
Connectivity LEDsDiffers	DSL, LAN, Internet	Yes
InternalKnown for one	Unknown — not stated by the source	No
Ports & interfaces1 differ
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) portsDiffers	4	1
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	7.6” x 5.9” x 1.3 10.8” x 8.2” x 2.7	Unknown — not stated by the source
Compliance industry standardsKnown for one	TR-067, TR-069	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Differs	-20 - 65 °C	-20 - 70 °C
Weight & dimensions4 differ
DepthDiffers	150 mm	114 mm
HeightDiffers	33 mm	25 mm
WeightDiffers	318 g	300 g
WidthDiffers	193 mm	172 mm
Packaging dataidentical
Package dimensions (WxDxH)Known for one	274 x 208 x 69 mm	Unknown — not stated by the source
Package weightKnown for one	953 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.

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