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
    • MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm: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-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm:QSFP+
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):SFP
  • SFP transceiver standard
    • MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm:LR4
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):BX
  • Networking standards
    • MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm: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-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm:2.5 W
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):1 W
  • Certification
    • MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm:CE, FCC, UR, REACH
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):CE, FCC, UR
  • Width
    • MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm:18.4 mm
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):14 mm
  • Depth
    • MSA Uncoded QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber (SMF) Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm:72 mm
    • MSA Uncoded SFP Transceiver Module - 1000BASE-BX - 1 GbE Gigabit Ethernet BiDi Fiber (SMF):57 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of QSFP40LR4ST, SFP1000BXDST
40 specifications
Performance4 differ
SFP transceiver typeFiber opticFiber optic
Maximum data transfer rateDiffers40000 Mbit/s1250 Mbit/s
Interface typeDiffersQSFP+SFP
Single-mode fiber (SMF) supportedYesYes
Multi-mode fiber (MMF) supportedKnown for oneNoUnknown — not stated by the source
Fiber optic connectorLCLC
SFP transceiver standardDiffersLR4BX
Maximum transfer distance10000 m10000 m
Tx wavelength (min)Known for one1270 nmUnknown — not stated by the source
Tx wavelength (max)Known for one1330 nmUnknown — not stated by the source
Networking standardsDiffersIEEE 802.3baIEEE 802.3z
Duplex systemFullFull
Digital Diagnostics Monitoring (DDM)YesYes
Tx power (min)Known for oneUnknown — not stated by the source1490 dBmW
Rx power (min)Known for oneUnknown — not stated by the source1310 dBmW
Wavelength-division multiplexing (WDM)Known for oneUnknown — not stated by the sourceYes
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)Differs2.5 W1 W
Certificates1 differ
Compliance certificatesRoHSRoHS
CertificationDiffersCE, FCC, UR, REACHCE, 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
WeightDiffers40 g19 g
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)
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
Harmonized System (HS) code8536901085369010
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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