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QSFP-40G-SR4-S Cisco 40G QSFP+ Multi-Mode Transceiver OM3 100m

SKU:
QSFP-40G-SR4-S
Weight: 5.00 lbs
Condition: Refurbished
  • 40 Gigabit Ethernet QSFP+ transceiver module
  • Supports multi-mode fiber with SR4 standard
  • Compatible with Cisco S-Class switches
  • Up to 100 meters reach over OM3 fiber
In stock

$44.00

Product Overview

The Cisco QSFP-40G-SR4-S is a multi-mode QSFP+ transceiver module designed to deliver 40 Gigabit Ethernet connectivity primarily in short-range data center environments. It fits into standard QSFP+ ports on Cisco S-Class switches, providing a straightforward way to boost network speeds with reliable fiber connections.

General Information

Brand Cisco
Part Number QSFP-40G-SR4-S

Technical Information

Form Factor QSFP+
Media MMF
Type VCSEL
Power Consumption <=2.5W (typical ~1.5W)
Protocols 40GBASE-SR4
Connector MTP/MPO
DOM Support Yes

Physical Characteristics

Weight 5.00
Condition Refurbished


Product Description

This QSFP-40G-SR4-S module is designed to transmit data at 40 Gbps using multi-mode fiber. It's often found in data centers and enterprise networks where high-speed, short-range connections are needed between switches and servers.

Built for Cisco S-Class hardware, this transceiver fits seamlessly into existing setups that require reliable high-throughput links. Network engineers and IT professionals benefit from its straightforward installation and compatibility with standard QSFP+ ports.

Key Features

  • Enables 40G Ethernet over multi-mode fiber for fast data transfer
  • Operates efficiently over distances up to 100 meters on OM3 fiber
  • Works with Cisco S-Class switches to ensure hardware compatibility
  • Low power consumption helps maintain optimal system performance
  • Hot-pluggable design simplifies upgrades and maintenance

This transceiver is typically deployed in data center environments where rapid communication between racks or within server clusters is critical. Its role is to provide stable, high-bandwidth connections without the need for complex configurations.

By using this module, organizations can maintain high network speeds while reducing downtime during hardware swaps or expansions.


Use Cases

The Cisco QSFP-40G-SR4-S transceiver is commonly deployed in high-density data center environments where short-range, high-bandwidth connectivity is essential. It is particularly suited for IT teams managing Cisco S-Class switches who require reliable 40 Gigabit Ethernet links over existing multi-mode fiber infrastructure.

How It's Used:

  • Connecting server racks within data centers to support virtualization workloads with high throughput demands.
  • Establishing aggregation links between top-of-rack switches in enterprise campus networks.
  • Facilitating storage cluster interconnects where low latency and multi-mode fiber compatibility are priorities.
  • Enabling high-speed uplinks in colocation facilities to support diverse tenant network requirements.
  • Supporting edge computing nodes requiring fast data transfer over short distances within distributed infrastructure.

This transceiver module aids operational efficiency by leveraging existing multi-mode fiber cabling and delivering consistent 40 GbE performance. Its compatibility with Cisco S-Class switches ensures scalability and straightforward integration in dense network topologies.


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QSFP-40G-SR4-S Cisco 40G QSFP+ Multi-Mode Transceiver OM3 100m
QSFP-40G-SR4-S Cisco 40G QSFP+ Multi-Mode Transceiver OM3 100m
$44.00