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
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:40000 Mbit/s
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):1250 Mbit/s
  • Interface type
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:QSFP+
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):SFP
  • Fiber optic connector
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:MPO
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):LC
  • SFP transceiver standard
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:SR4
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):BX
  • Maximum transfer distance
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:150 m
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):10000 m
  • Networking standards
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:IEEE 802.3ba
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):IEEE 802.3z
  • Power consumption (typical)
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:0.7 W
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):1 W
  • Width
    • MSA Uncoded QSFP+ Module - 40GBASE-SR4 - 40GbE Multi Mode Fiber (MMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - MPO 100m - 850nm - DDM:18.4 mm
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):14 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of QSFP40SR4ST, SFP1000BXUST
39 specifications
Performance6 differ
SFP transceiver typeFiber opticFiber optic
Maximum data transfer rateDiffers40000 Mbit/s1250 Mbit/s
Interface typeDiffersQSFP+SFP
Single-mode fiber (SMF) supportedKnown for oneUnknown — not stated by the sourceYes
Fiber optic connectorDiffersMPOLC
SFP transceiver standardDiffersSR4BX
Maximum transfer distanceDiffers150 m10000 m
Tx power (min)Known for oneUnknown — not stated by the source1310 dBmW
Rx power (min)Known for oneUnknown — not stated by the source1490 dBmW
Networking standardsDiffersIEEE 802.3baIEEE 802.3z
Duplex systemFullFull
Digital Diagnostics Monitoring (DDM)YesYes
Wavelength-division multiplexing (WDM)Known for oneUnknown — not stated by the sourceNo
Multi-mode fiber (MMF) supportedKnown for oneYesUnknown — not stated by the source
WavelengthKnown for one850 nmUnknown — not stated by the source
Featuresidentical
Product colourSilverSilver
Housing materialAluminiumAluminium
Hot-Plug supportYesYes
Mean time between failures (MTBF)Known for one1489426 hUnknown — not stated by the source
Power1 differ
Power consumption (typical)Differs0.7 W1 W
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationCE, FCC, URCE, FCC, UR
Operational conditionsidentical
Operating temperature (T-T)0 - 70 °C0 - 70 °C
Storage temperature (T-T)-40 - 85 °C-40 - 85 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Weight & dimensions3 differ
WidthDiffers18.4 mm14 mm
DepthDiffers72 mm57 mm
Height13 mm13 mm
WeightDiffers34 g19 g
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)
Packaging data2 differ
Package width92 mm92 mm
Package depthDiffers118 mm114 mm
Package height33 mm33 mm
Package weightDiffers62 g48 g
Logistics data4 differ
Master (outer) case widthDiffers270 mm198 mm
Harmonized System (HS) code8536901085369010
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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