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Cisco · QSFP28 · 100G

QSFP-100G-SR4-S=

100GBASE-SR4 QSFP28 transceiver, 850 nm, multimode, MPO-12

  • Genuine Cisco
  • New, factory sealed

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  • Tax invoiceIssued by Rabash Technologies Pte. Ltd., Singapore

QSFP-100G-SR4-S= at a glance

  • 100GBASE-SR4 QSFP28 transceiver
  • 850 nm over multimode fibre (MMF)
  • Reach: 70 m on OM3 · 100 m on OM4/OM5
  • Connector: MPO-12
  • Digital optical monitoring (DOM) for light levels and temperature
  • Commercial temperature rating (typically 0 to 70 °C)
  • Genuine Cisco part, new, factory sealed

Specifications

Part numberQSFP-100G-SR4-S=
BrandCisco
Standard100GBASE-SR4
Form factorQSFP28
Data rate100 Gb/s
Wavelength850 nm
MediaMultimode fibre (MMF)
Reach70 m on OM3 · 100 m on OM4/OM5
ConnectorMPO-12
Digital optical monitoringSupported
Temperature rangeCommercial (COM)
ConditionNew, factory sealed

Description

A 100G QSFP28 module for short multimode links, carrying four 25G lanes at 850 nm over a 12-fibre MPO connector. Cisco lists reach as 70 m on OM3 and 100 m on OM4 or OM5. It is the common choice for server-to-switch and leaf-to-spine connections inside a row or hall, where parallel multimode trunks are already pulled. The module can also interoperate with 400G SR4-class optics through suitable breakout cabling, though the cabling and host must support it. Maximum power consumption is 3.5 W and it works across the commercial 0 to 70 degC range. Because the lanes are parallel, the fibre polarity of the MPO trunk and cassettes matters, and patch cords should be multimode MPO with the right gender. Confirm your host platform and software version in the Cisco optics compatibility matrix.

Typical uses

  • Server and storage links to a top-of-rack switch
  • Switch-to-switch links inside one data hall or comms room
  • Building risers that already have OM3/OM4 multimode fibre

Before you order

  1. Confirm your switch or router model and software release support the QSFP-100G-SR4-S=
  2. Use OM3 or OM4 multimode patch cords; reach drops sharply on OM1/OM2
  3. Parallel optics need MPO/MTP trunk or breakout cabling with the right polarity
  4. Prices exclude import duties and taxes in your country (DAP)

FAQ

What is the reach of the QSFP-100G-SR4-S=?

70 m on OM3 · 100 m on OM4/OM5.

What fibre does the QSFP-100G-SR4-S= use?

It runs over multimode fibre (MMF) with a MPO-12 connector at 850 nm.

Is the QSFP-100G-SR4-S= genuine and what condition is it?

It is a genuine Cisco part, new, factory sealed, sold by an independent reseller and invoiced by Rabash Technologies Pte. Ltd., Singapore.

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