Product comparison · 2 modems

D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router vs StarTech.com External USB Modem - 2-Port, 56K, Hardware Based

13specifications compared
12differ
1identical
19known for one product only

Key differences

The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 3.4634 Mbit/s more upstream data rate than the StarTech.com External USB Modem - 2-Port, 56K, Hardware Based (3.5 Mbit/s vs 0.0366 Mbit/s). The StarTech.com External USB Modem - 2-Port, 56K, Hardware Based has 1 more modem (RJ-11) ports than the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router (2 vs 1). The StarTech.com External USB Modem - 2-Port, 56K, Hardware Based has 78 mm more depth than the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router (228 mm vs 150 mm). Interface: ADSL2, ADSL2+ on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, USB 2.0 on the StarTech.com External USB Modem - 2-Port, 56K, Hardware Based. Certification: 7.6” x 5.9” x 1.3 10.8” x 8.2” x 2.7 on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, CE, FCC, RoHS on the StarTech.com External USB Modem - 2-Port, 56K, Hardware Based.

Interface
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:ADSL2, ADSL2+
- External USB Modem - 2-Port, 56K, Hardware Based:USB 2.0
Upstream data rate
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:3.5 Mbit/s
- External USB Modem - 2-Port, 56K, Hardware Based:0.0366 Mbit/s
Modem (RJ-11) ports
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:1
- External USB Modem - 2-Port, 56K, Hardware Based:2
Operating relative humidity (H-H)
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:5 - 95%
- External USB Modem - 2-Port, 56K, Hardware Based:10 - 90%
Storage temperature (T-T)
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:-20 - 65 °C
- External USB Modem - 2-Port, 56K, Hardware Based:-40 - 70 °C
Depth
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:150 mm
- External USB Modem - 2-Port, 56K, Hardware Based:228 mm
Height
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:33 mm
- External USB Modem - 2-Port, 56K, Hardware Based:20 mm
Weight
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:318 g
- External USB Modem - 2-Port, 56K, Hardware Based:40 g

Side by side

Differences highlightedShow differences only

Comparison of DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, USB562KEMH
32 specifications	A D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router View product	B StarTech.com External USB Modem - 2-Port, 56K, Hardware Based Model USB562KEMH View product
Modem1 differ
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
InterfaceDiffers	ADSL2, ADSL2+	USB 2.0
ChipsetKnown for one	Unknown — not stated by the source	CX93010/LB-LINK
Modem typeKnown for one	ADSL2, ADSL2+	Unknown — not stated by the source
Performance1 differ
Supported data transfer ratesKnown for one	Unknown — not stated by the source	56, 36.6, 14.4
Upstream data rateDiffers	3.5 Mbit/s	0.0366 Mbit/s
Data compressionKnown for one	Unknown — not stated by the source	V.44, V.42bis, MNP 5
Data transfer rateKnown for one	Unknown — not stated by the source	12 Mbit/s
Maximum fax transfer rateKnown for one	Unknown — not stated by the source	14.4
Downstream data rateKnown for one	24 Mbit/s	Unknown — not stated by the source
Featuresidentical
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-A
Connectivity LEDsKnown for one	DSL, LAN, Internet	Unknown — not stated by the source
Ports & interfaces1 differ
Modem (RJ-11) portsDiffers	1	2
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	4	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	Yes
System requirementsidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Compatible operating systemsKnown for one	Unknown — not stated by the source	- Windows 8 / 8.1 (32/64bit), 7 (32/64), Vista (32/64), XP (32/64), 2000 - Windows Server 2012, 2008 R2, 2003 - Mac OS 10.7 +
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS, CE, Federal Communications Commission (FCC)
CertificationDiffers	7.6” x 5.9” x 1.3 10.8” x 8.2” x 2.7	CE, FCC, RoHS
Compliance industry standardsKnown for one	TR-067, TR-069	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	5 - 95%	10 - 90%
Storage temperature (T-T)Differs	-20 - 65 °C	-40 - 70 °C
Weight & dimensions4 differ
DepthDiffers	150 mm	228 mm
HeightDiffers	33 mm	20 mm
WeightDiffers	318 g	40 g
WidthDiffers	193 mm	35 mm
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	Phone (RJ-11)
Packaging data2 differ
Package dimensions (WxDxH)Differs	274 x 208 x 69 mm	145 x 170 x 30 mm
Package weightDiffers	953 g	106 g

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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