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Product comparison · 2 network transceiver modules

StarTech.com MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm vs StarTech.com MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF)

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  • 33specifications compared
  • 17differ
  • 16identical
  • 7known for one product only

Key differences

  • Maximum data transfer rate
    • 40000 Mbit/s
    • 1250 Mbit/s
  • Interface type
    • QSFP+
    • SFP
  • SFP transceiver standard
    • LR4
    • BX
  • Networking standards
    • IEEE 802.3ba
    • IEEE 802.3z
  • Power consumption (typical)
    • 2.5 W
    • 1 W
  • Certification
    • CE, FCC, UR, REACH
    • CE, FCC, UR
  • Width
    • 18.4 mm
    • 14 mm
  • Depth
    • 72 mm
    • 57 mm

Side by side

Differences highlightedShow differences only
40 specifications
A

StarTech.com

MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm

Model QSFP40LR4ST

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B

StarTech.com

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

Model SFP1000BXDST

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Performance4 differ
Maximum data transfer rateDiffers40000 Mbit/s1250 Mbit/s
Interface typeDiffersQSFP+SFP
Multi-mode fiber (MMF) supportedKnown for oneNo
SFP transceiver standardDiffersLR4BX
Tx wavelength (min)Known for one1270 nm
Tx wavelength (max)Known for one1330 nm
Networking standardsDiffersIEEE 802.3baIEEE 802.3z
Tx power (min)Known for one1490 dBmW
Rx power (min)Known for one1310 dBmW
Wavelength-division multiplexing (WDM)Known for oneYes
Featuresidentical
Mean time between failures (MTBF)Known for one1489426 h
Power1 differ
Power consumption (typical)Differs2.5 W1 W
Certificates1 differ
CertificationDiffersCE, FCC, UR, REACHCE, FCC, UR
Weight & dimensions3 differ
WidthDiffers18.4 mm14 mm
DepthDiffers72 mm57 mm
WeightDiffers40 g19 g
Packaging data4 differ
Package widthDiffers134 mm91 mm
Package depthDiffers184 mm113 mm
Package heightDiffers48 mm33 mm
Package weightDiffers76 g48 g
Logistics data4 differ
Master (outer) case widthDiffers250 mm198 mm
Master (outer) case lengthDiffers300 mm304 mm
Master (outer) case heightDiffers200 mm164 mm
Products per master (outer) caseDiffers36 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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