Product comparison · 2 modems

D-Link DSL-2640B+DKT-710 modem vs Zyxel P-871M VDSL2

10specifications compared
5differ
5identical
13known for one product only

Key differences

The Zyxel P-871M VDSL2 has 39 Mbit/s more upstream data rate than the D-Link DSL-2640B+DKT-710 modem (40 Mbit/s vs 1 Mbit/s). The Zyxel P-871M VDSL2 has 56 Mbit/s more downstream data rate than the D-Link DSL-2640B+DKT-710 modem (80 Mbit/s vs 24 Mbit/s). Operating relative humidity (H-H): 5 - 95% on the D-Link DSL-2640B+DKT-710 modem, 20 - 85% on the Zyxel P-871M VDSL2. Storage temperature (T-T): -20 - 70 °C on the D-Link DSL-2640B+DKT-710 modem, -20 - 60 °C on the Zyxel P-871M VDSL2.

Upstream data rate
- DSL-2640B+DKT-710 modem:1 Mbit/s
- P-871M VDSL2:40 Mbit/s
Downstream data rate
- DSL-2640B+DKT-710 modem:24 Mbit/s
- P-871M VDSL2:80 Mbit/s
Operating relative humidity (H-H)
- DSL-2640B+DKT-710 modem:5 - 95%
- P-871M VDSL2:20 - 85%
Storage temperature (T-T)
- DSL-2640B+DKT-710 modem:-20 - 70 °C
- P-871M VDSL2:-20 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of DSL-2640B+DKT-710, P-871M VDSL2
23 specifications	A D-Link DSL-2640B+DKT-710 modem Model DSL-2640B+DKT-710 View product	B Zyxel P-871M VDSL2 View product
Performance2 differ
Upstream data rateDiffers	1 Mbit/s	40 Mbit/s
Downstream data rateDiffers	24 Mbit/s	80 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet, Fast Ethernet, VDSL1/2
Featuresidentical
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Internal	No	No
Connectivity LEDs	Yes	Yes
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
I/O portsKnown for one	Unknown — not stated by the source	1 x WAN (RJ45), 1x DB9
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	9V AC 1000mA
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
SafetyKnown for one	Unknown — not stated by the source	CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
CertificationKnown for one	Unknown — not stated by the source	EN55022 Class B, EN61000-3-2: 2000, EN61000-3-3: 1995+A1:2001, FCC Part 15 (Class B)
Compliance industry standardsDiffers	802.1p/q	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditions2 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	5 - 95%	20 - 85%
Storage temperature (T-T)Differs	-20 - 70 °C	-20 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensionsidentical
DepthKnown for one	Unknown — not stated by the source	132 mm
HeightKnown for one	Unknown — not stated by the source	40 mm
WeightKnown for one	Unknown — not stated by the source	307 g
WidthKnown for one	Unknown — not stated by the source	189 mm

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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