Product comparison · 2 network transceiver modules

TP-Link 1000Base-BX WDM Bi-Directional SFP Module vs Zyxel SFP-SX-D network transceiver module 1000 Mbit/s 850 nm

8specifications compared
7differ
1identical
24known for one product only

Key differences

Maximum data transfer rate
- 1000Base-BX WDM Bi-Directional SFP Module:1250 Mbit/s
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:1000 Mbit/s
Maximum transfer distance
- 1000Base-BX WDM Bi-Directional SFP Module:10000 m
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:550 m
Storage temperature (T-T)
- 1000Base-BX WDM Bi-Directional SFP Module:-40 - 80 °C
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:-40 - 85 °C
Operating relative humidity (H-H)
- 1000Base-BX WDM Bi-Directional SFP Module:10 - 90%
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:5 - 95%
Width
- 1000Base-BX WDM Bi-Directional SFP Module:55.4 mm
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:56 mm
Depth
- 1000Base-BX WDM Bi-Directional SFP Module:12.9 mm
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:13.4 mm
Height
- 1000Base-BX WDM Bi-Directional SFP Module:12.9 mm
- SFP-SX-D network transceiver module 1000 Mbit/s 850 nm:12.5 mm

Side by side

Differences highlightedShow differences only

Comparison of TL-SM321A, SFP-SX-D
32 specifications	A TP-Link 1000Base-BX WDM Bi-Directional SFP Module Model TL-SM321A View product	B Zyxel SFP-SX-D network transceiver module 1000 Mbit/s 850 nm Model SFP-SX-D View product
Performance2 differ
SFP transceiver typeKnown for one	Fiber optic	Unknown — not stated by the source
Maximum data transfer rateDiffers	1250 Mbit/s	1000 Mbit/s
Interface typeKnown for one	SFP	Unknown — not stated by the source
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber optic connectorKnown for one	LC (UPC)	Unknown — not stated by the source
Fiber cable diameters supported (core/cladding)Known for one	9/125 µm	Unknown — not stated by the source
Maximum transfer distanceDiffers	10000 m	550 m
Tx wavelength (max)Known for one	1550 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	1310 nm	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3z	Unknown — not stated by the source
WavelengthKnown for one	Unknown — not stated by the source	850 nm
Cabling technologyKnown for one	Unknown — not stated by the source	1000Base-LHX
Featuresidentical
Product colourKnown for one	Metallic	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Form factorKnown for one	Unknown — not stated by the source	Plug-in
Poweridentical
Input voltageKnown for one	3.3 V	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	FCC, CE	Unknown — not stated by the source
SafetyKnown for one	Unknown — not stated by the source	Class 1 Laser, CSA, TUV, 21 CFR 1040.10 & 1040.11
Operational conditions2 differ
Storage temperature (T-T)Differs	-40 - 80 °C	-40 - 85 °C
Operating relative humidity (H-H)Differs	10 - 90%	5 - 95%
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	55.4 mm	56 mm
DepthDiffers	12.9 mm	13.4 mm
HeightDiffers	12.9 mm	12.5 mm
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	81.5 mm	Unknown — not stated by the source
Package depthKnown for one	122.5 mm	Unknown — not stated by the source
Package heightKnown for one	38.5 mm	Unknown — not stated by the source
Package weightKnown for one	60 g	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	56 x 13.4 x 12.46 mm
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85369010

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.