Product comparison · 2 network transceiver modules

StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm vs StarTech.com MSA Uncoded QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm

29specifications compared
1differ
28identical
0known for one product only

Key differences

Brand compatibility: Cisco on the StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm, MSA Compliant on the StarTech.com MSA Uncoded QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm.

Brand compatibility
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:Cisco
- MSA Uncoded QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:MSA Compliant

Side by side

Differences highlightedShow differences only

Comparison of QSFP-400G-DR4-ST, QSFP-400G-DR4-UST
29 specifications	A 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	B StarTech.com MSA Uncoded QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm Model QSFP-400G-DR4-UST View product
Performanceidentical
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rate	400000 Mbit/s	400000 Mbit/s
Interface type	QSFP-DD	QSFP-DD
Single-mode fiber (SMF) supported	Yes	Yes
Fiber optic connector	MPO	MPO
SFP transceiver standard	DR4	DR4
Maximum transfer distance	500 m	500 m
Wavelength	1310 nm	1310 nm
Networking standards	IEEE 802.3bs	IEEE 802.3bs
Fiber ethernet cabling technology	400GBASE	400GBASE
Duplex system	Full	Full
Digital Diagnostics Monitoring (DDM)	Yes	Yes
Features1 differ
Product colour	Silver	Silver
Mean time between failures (MTBF)	2603285 h	2603285 h
Brand compatibilityDiffers	Cisco	MSA Compliant
Poweridentical
Power consumption (typical)	12 W	12 W
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Weight & dimensionsidentical
Width	19 mm	19 mm
Depth	117.8 mm	117.8 mm
Height	12.6 mm	12.6 mm
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Packaging dataidentical
User guide	Yes	Yes
Package width	180 mm	180 mm
Package depth	127 mm	127 mm
Package height	48 mm	48 mm
Logistics dataidentical
Master (outer) case width	117 mm	117 mm
Master (outer) case length	250 mm	250 mm
Master (outer) case height	200 mm	200 mm
Products per master (outer) case	36 pc(s)	36 pc(s)

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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