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Cisco QSFP transceiver module with MPO connector

Cisco Systems, Inc.

Cisco Systems, Inc. QSFP-40G-SR4= 40GBASE-SR4 QSFP transceiver module

SKU CH-DCA9-G833E MPN QSFP-40G-SR4=

40GBASE-SR4 QSFP transceiver with MPO connector for 40 GbE links

  • Product typeSee Details
  • Key featuresMODULE WITH MPO CONNECTOR
  • 40 Gbps throughput with QSFP form factor
  • MPO connector enables multi-fibre parallel optics
  • Hot-pluggable module simplifies network upgrades
  • Cisco 40GBASE-SR4 compliance for short-reach links

Cisco 40GBASE-SR4 QSFP module

This Cisco 40GBASE-SR4 QSFP transceiver module provides 40 gigabit Ethernet connectivity over multimode fibre. It is built for data-centre and enterprise networks that need short-reach, high-density links between switches, routers and servers. The module uses an MPO connector for simple patch-cord installation in structured cabling environments.

Thermals and power in normal use

The transceiver operates within standard QSFP power limits and is designed for front-to-back airflow in compatible Cisco chassis. Typical deployment sees low acoustic impact because the host system fans handle cooling. Power draw remains consistent with the 40GBASE-SR4 specification during continuous traffic loads.

How it compares

Measured against everything we stock in Patch Panels, PoE & LAN Adapters, at today’s prices. Recalculated every night.

Price $1,229.99
Pricier than about 91% of the 559 comparable items (median $56.99).

Specifications

Product
Brand nameCISCO
Model nameQSFP-40G-SR4=
Product typeSee Details
Size & build
Shipping weight0.14 kg
Package size178 × 152 × 51 mm

Questions about this item

How do I install the Cisco QSFP-40G-SR4= module and what step is commonly missed?

Insert the module into a compatible QSFP+ port until it clicks, then connect the MPO cable with the key aligned to the port notch; the step often missed is verifying the MPO polarity matches the link design before securing the latch.

What maintenance or replacement will the Cisco QSFP-40G-SR4= need over time?

The module itself has no moving parts and requires no scheduled maintenance; plan to inspect and clean the MPO connector end-faces periodically and replace the unit only if link errors persist after cleaning or if the transceiver fails.

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