Product comparison · 2 network transceiver modules

Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible vs StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm

12specifications compared
8differ
4identical
28known for one product only

Key differences

The StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm has 398,750 Mbit/s more maximum data transfer rate than the Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible (400000 Mbit/s vs 1250 Mbit/s). The Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible has 119,500 m more maximum transfer distance than the StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm (120000 m vs 500 m). The Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible has 240 nm more wavelength than the StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm (1550 nm vs 1310 nm). Interface type: LC on the Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible, QSFP-DD on the StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm. Brand compatibility: Huawei on the Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible, Cisco on the StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm.

Maximum data transfer rate
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:1250 Mbit/s
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:400000 Mbit/s
Interface type
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:LC
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:QSFP-DD
Maximum transfer distance
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:120000 m
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:500 m
Wavelength
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:1550 nm
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:1310 nm
Brand compatibility
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:Huawei
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:Cisco
Width
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:13.7 mm
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:19 mm
Depth
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:57 mm
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:117.8 mm
Height
- 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible:10.5 mm
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:12.6 mm

Side by side

Differences highlightedShow differences only

Comparison of SFP-EZX-SMD-DS-HU, QSFP-400G-DR4-ST
40 specifications	A Data Stream 1.25G SFP EZX 1550nm 120km Optical Transceiver Module - Huawei Compatible Model SFP-EZX-SMD-DS-HU View product	B StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm Model QSFP-400G-DR4-ST View product
Performance4 differ
Maximum data transfer rateDiffers	1250 Mbit/s	400000 Mbit/s
Interface typeDiffers	LC	QSFP-DD
Fiber optic connectorKnown for one	Unknown — not stated by the source	MPO
SFP transceiver standardKnown for one	Unknown — not stated by the source	DR4
Maximum transfer distanceDiffers	120000 m	500 m
WavelengthDiffers	1550 nm	1310 nm
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3bs
Fiber ethernet cabling technologyKnown for one	Unknown — not stated by the source	400GBASE
Duplex systemKnown for one	Unknown — not stated by the source	Full
Tx power (min)Known for one	0 dBmW	Unknown — not stated by the source
Tx power (max)Known for one	5 dBmW	Unknown — not stated by the source
Rx power (min)Known for one	-30 dBmW	Unknown — not stated by the source
Rx power (max)Known for one	-9 dBmW	Unknown — not stated by the source
Features1 differ
Product colourKnown for one	Unknown — not stated by the source	Silver
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2603285 h
Brand compatibilityDiffers	Huawei	Cisco
Compatible productsKnown for one	SONET OC-24-LR-1	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	12 W
Input voltageKnown for one	3.3 V	Unknown — not stated by the source
Maximum voltageKnown for one	3.47 V	Unknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 85%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	13.7 mm	19 mm
DepthDiffers	57 mm	117.8 mm
HeightDiffers	10.5 mm	12.6 mm
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Packaging dataidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Package widthKnown for one	Unknown — not stated by the source	180 mm
Package depthKnown for one	Unknown — not stated by the source	127 mm
Package heightKnown for one	Unknown — not stated by the source	48 mm
Logistics dataidentical
Master (outer) case widthKnown for one	Unknown — not stated by the source	117 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	250 mm
Master (outer) case heightKnown for one	Unknown — not stated by the source	200 mm
Products per master (outer) caseKnown for one	Unknown — not stated by the source	36 pc(s)
Certificatesidentical
Compliance certificatesKnown for one	RoHS, CE	Unknown — not stated by the source
Sustainabilityidentical
Doesn't containKnown for one	Lead	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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