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Product comparison · 2 network transceiver modules

StarTech.com MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM vs StarTech.com MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF)

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  • 32specifications compared
  • 16differ
  • 16identical
  • 7known for one product only

Key differences

  • Maximum data transfer rate
    • 40000 Mbit/s
    • 1250 Mbit/s
  • Interface type
    • QSFP+
    • SFP
  • Fiber optic connector
    • MPO
    • LC
  • SFP transceiver standard
    • SR4
    • BX
  • Maximum transfer distance
    • 150 m
    • 10000 m
  • Networking standards
    • IEEE 802.3ba
    • IEEE 802.3z
  • Power consumption (typical)
    • 0.7 W
    • 1 W
  • Width
    • 18.4 mm
    • 14 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

StarTech.com

MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM

Model QSFP40SR4ST

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B

StarTech.com

MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF)

Model SFP1000BXUST

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Performance6 differ
Maximum data transfer rateDiffers40000 Mbit/s1250 Mbit/s
Interface typeDiffersQSFP+SFP
Single-mode fiber (SMF) supportedKnown for oneYes
Fiber optic connectorDiffersMPOLC
SFP transceiver standardDiffersSR4BX
Maximum transfer distanceDiffers150 m10000 m
Tx power (min)Known for one1310 dBmW
Rx power (min)Known for one1490 dBmW
Networking standardsDiffersIEEE 802.3baIEEE 802.3z
Wavelength-division multiplexing (WDM)Known for oneNo
Multi-mode fiber (MMF) supportedKnown for oneYes
WavelengthKnown for one850 nm
Featuresidentical
Mean time between failures (MTBF)Known for one1489426 h
Power1 differ
Power consumption (typical)Differs0.7 W1 W
Weight & dimensions3 differ
WidthDiffers18.4 mm14 mm
DepthDiffers72 mm57 mm
WeightDiffers34 g19 g
Packaging data2 differ
Package depthDiffers118 mm114 mm
Package weightDiffers62 g48 g
Logistics data4 differ
Master (outer) case widthDiffers270 mm198 mm
Master (outer) case lengthDiffers340 mm304 mm
Master (outer) case heightDiffers330 mm164 mm
Products per master (outer) caseDiffers60 pc(s)20 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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