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Product comparison · 2 network transceiver modules

StarTech.com Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX vs StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm

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  • 27specifications compared
  • 11differ
  • 16identical
  • 5known 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 300,000 Mbit/s more maximum data transfer rate than the StarTech.com Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX (400000 Mbit/s vs 100000 Mbit/s). The StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm has 400 m more maximum transfer distance than the StarTech.com Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX (500 m vs 100 m). The StarTech.com Cisco QDD-400G-DR4-S Compatible QSFP-DD Module, 400Gbps Single Mode Fiber (SMF), 500m [1640ft], MPO Transceiver, 1310nm has 300 GBASE more fiber ethernet cabling technology than the StarTech.com Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX (400GBASE vs 100GBASE). Interface type: QSFP on the StarTech.com Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX, 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. Fiber optic connector: LC on the StarTech.com Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX, MPO 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
    • 100000 Mbit/s
    • 400000 Mbit/s
  • Interface type
    • QSFP
    • QSFP-DD
  • Fiber optic connector
    • LC
    • MPO
  • SFP transceiver standard
    • SRBD
    • DR4
  • Maximum transfer distance
    • 100 m
    • 500 m
  • Networking standards
    • IEEE 802.3ba
    • IEEE 802.3bs
  • Fiber ethernet cabling technology
    • 100GBASE
    • 400GBASE
  • Duplex system
    • Full, Half
    • Full

Side by side

Differences highlightedShow differences only
32 specifications
A

StarTech.com

Cisco QSFP-40/100-SRBD Compatible QSFP Module, 40/100Gbps Multi Mode Fiber (MMF), 100m [328ft], LC Transceiver, 850nmTX/900nmRX

Model QSFP-40-100-SRBD-ST

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
Performance8 differ
SFP transceiver typeFiber opticFiber optic
Maximum data transfer rateDiffers100000 Mbit/s400000 Mbit/s
Interface typeDiffersQSFPQSFP-DD
Multi-mode fiber (MMF) supportedKnown for oneYes
Fiber optic connectorDiffersLCMPO
SFP transceiver standardDiffersSRBDDR4
Maximum transfer distanceDiffers100 m500 m
Tx wavelength (max)Known for one850 nm
Rx wavelength (max)Known for one900 nm
Networking standardsDiffersIEEE 802.3baIEEE 802.3bs
Fiber ethernet cabling technologyDiffers100GBASE400GBASE
Duplex systemDiffersFull, HalfFull
Digital Diagnostics Monitoring (DDM)YesYes
Single-mode fiber (SMF) supportedKnown for oneYes
WavelengthKnown for one1310 nm
Features1 differ
Product colourSilverSilver
Mean time between failures (MTBF)Differs3543209 h2603285 h
Brand compatibilityCiscoCisco
Power1 differ
Power consumption (typical)Differs4 W12 W
Operational conditionsidentical
Operating temperature (T-T)0 - 70 °C0 - 70 °C
Weight & dimensions1 differ
Width19 mm19 mm
DepthDiffers117.6 mm117.8 mm
Height12.6 mm12.6 mm
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)
Packaging dataidentical
User guideYesYes
Package width180 mm180 mm
Package depth127 mm127 mm
Package height48 mm48 mm
Logistics dataidentical
Master (outer) case width117 mm117 mm
Master (outer) case length250 mm250 mm
Master (outer) case height200 mm200 mm
Products per master (outer) case36 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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