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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
Maximum data transfer rateDiffers40000 Mbit/s10000 Mbit/s
Interface typeDiffersQSFP+SFP+
Multi-mode fiber (MMF) supportedKnown for oneYes
SFP transceiver standardDiffersLR4SR
Maximum transfer distanceDiffers10000 m300 m
WavelengthKnown for one850 nm
Networking standardsDiffersIEEE 802.3baIEEE 802.3ae
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
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
Weight & dimensions4 differ
WidthDiffers18.4 mm13.9 mm
DepthDiffers72 mm58.4 mm
HeightDiffers8.5 mm12.6 mm
WeightDiffers44 g22 g
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
Master (outer) case lengthDiffers300 mm412 mm
Master (outer) case heightDiffers200 mm362 mm
Products per master (outer) caseDiffers36 pc(s)100 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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