Product comparison · 2 network transceiver modules

StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm vs StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm

28specifications compared
15differ
13identical
2known for one product only

Key differences

Maximum data transfer rate
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:100000 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
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:QSFP
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:QSFP-DD
SFP transceiver standard
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:SR4
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:DR4
Maximum transfer distance
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:100 m
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:500 m
Wavelength
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:850 nm
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:1310 nm
Networking standards
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:IEEE 802.3ba
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:IEEE 802.3bs
Fiber ethernet cabling technology
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:100GBASE
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:400GBASE
Mean time between failures (MTBF)
- MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm:8805142 h
- Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm:2603285 h

Side by side

Differences highlightedShow differences only

Comparison of QSFP-100G-SR4-S-UST, QSFP-400G-DR4-ST
30 specifications	A StarTech.com MSA Uncoded QSFP Module, 100Gbps Multi Mode Fiber (MMF), 100m [328ft], MPO Transceiver, 850nm Model QSFP-100G-SR4-S-UST 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
Performance7 differ
Maximum data transfer rateDiffers	100000 Mbit/s	400000 Mbit/s
Interface typeDiffers	QSFP	QSFP-DD
Multi-mode fiber (MMF) supportedKnown for one	Yes	Unknown — not stated by the source
SFP transceiver standardDiffers	SR4	DR4
Maximum transfer distanceDiffers	100 m	500 m
WavelengthDiffers	850 nm	1310 nm
Networking standardsDiffers	IEEE 802.3ba	IEEE 802.3bs
Fiber ethernet cabling technologyDiffers	100GBASE	400GBASE
Single-mode fiber (SMF) supportedKnown for one	Unknown — not stated by the source	Yes
Features2 differ
Mean time between failures (MTBF)Differs	8805142 h	2603285 h
Brand compatibilityDiffers	MSA Compliant	Cisco
Power1 differ
Power consumption (typical)Differs	3.5 W	12 W
Weight & dimensions2 differ
WidthDiffers	18.4 mm	19 mm
DepthDiffers	120 mm	117.8 mm
Packaging data3 differ
Package widthDiffers	112 mm	180 mm
Package depthDiffers	90 mm	127 mm
Package heightDiffers	32 mm	48 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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