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Product comparison · 2 network transceiver modules

StarTech.com Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km vs StarTech.com Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm

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  • 33specifications compared
  • 20differ
  • 13identical
  • 7known for one product only

Key differences

The StarTech.com Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km has 30,000 Mbit/s more maximum data transfer rate than the StarTech.com Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm (40000 Mbit/s vs 10000 Mbit/s). The StarTech.com Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km has 9,700 m more maximum transfer distance than the StarTech.com Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm (10000 m vs 300 m). The StarTech.com Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm has 478,283 h more mean time between failures (MTBF) than the StarTech.com Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km (1967709 h vs 1489426 h). Interface type: QSFP+ on the StarTech.com Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km, SFP+ on the StarTech.com Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm. SFP transceiver standard: LR4 on the StarTech.com Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km, SR on the StarTech.com Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm.

  • Maximum data transfer rate
    • 40000 Mbit/s
    • 10000 Mbit/s
  • Interface type
    • QSFP+
    • SFP+
  • SFP transceiver standard
    • LR4
    • SR
  • Maximum transfer distance
    • 10000 m
    • 300 m
  • Networking standards
    • IEEE 802.3ba
    • IEEE 802.3ae
  • Mean time between failures (MTBF)
    • 1489426 h
    • 1967709 h
  • Power consumption (typical)
    • 2.5 W
    • 1.3 W
  • Compliance certificates
    • CE, RoHS
    • RoHS

Side by side

Differences highlightedShow differences only
40 specifications
A

StarTech.com

Cisco QSFP-40G-LR4-S Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km

Model QSFP40GLR4S

View product
B

StarTech.com

Cisco SFP-10G-SR-X Compatible SFP+ Module - 10GBASE-SR - 10GbE Multimode Fiber MMF Optic Transceiver - 10GE Gigabit Ethernet SFP+ - LC 300m - 850nm

Model SFP10GSRXST

View product
Performance5 differ
SFP transceiver typeFiber opticFiber optic
Maximum data transfer rateDiffers40000 Mbit/s10000 Mbit/s
Interface typeDiffersQSFP+SFP+
Multi-mode fiber (MMF) supportedKnown for oneYes
Fiber optic connectorLCLC
SFP transceiver standardDiffersLR4SR
Maximum transfer distanceDiffers10000 m300 m
WavelengthKnown for one850 nm
Networking standardsDiffersIEEE 802.3baIEEE 802.3ae
Duplex systemFullFull
Digital Diagnostics Monitoring (DDM)YesYes
Wavelength-division multiplexing (WDM)Known for oneNo
Single-mode fiber (SMF) supportedKnown for oneYes
Tx wavelength (min)Known for one1270 nm
Tx wavelength (max)Known for one1330 nm
Features1 differ
Product colourSilverSilver
Housing materialAluminiumAluminium
Hot-swapYesYes
Mean time between failures (MTBF)Differs1489426 h1967709 h
Power1 differ
Power consumption (typical)Differs2.5 W1.3 W
Certificates1 differ
Compliance certificatesDiffersCE, RoHSRoHS
CertificationKnown for oneCE, 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 & dimensions4 differ
WidthDiffers18.4 mm13.9 mm
DepthDiffers72 mm58.4 mm
HeightDiffers8.5 mm12.6 mm
WeightDiffers44 g22 g
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)
Packaging data4 differ
Package widthDiffers132 mm92 mm
Package depthDiffers188 mm113 mm
Package heightDiffers49 mm33 mm
Package weightDiffers95 g50 g
Logistics data4 differ
Master (outer) case widthDiffers250 mm346 mm
Harmonized System (HS) code8536901085369010
Master (outer) case lengthDiffers300 mm412 mm
Master (outer) case heightDiffers200 mm362 mm
Products per master (outer) caseDiffers36 pc(s)100 pc(s)
Country of originChinaChina

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