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StarTech.com QSFP-40G-SR4-S Compatible 40GbE MMF 100m Transceiver QSFP-40G-SR4-S-ST
StarTech.com·MPN: QSFP-40G-SR4-S-ST

StarTech.com QSFP-40G-SR4-S Compatible 40GbE MMF 100m Transceiver QSFP-40G-SR4-S-ST

The StarTech.com QSFP-40G-SR4-S compatible transceiver delivers dependable 40 Gigabit Ethernet connectivity over multi-mode fiber for distances up to 100 meters, optimizing high-bandwidth network performance.

  • 40 Gbps Throughput: Enables ultra-fast data transfer for critical network backbone connections and high-demand server links.
  • Cisco Compatibility: Engineered to integrate seamlessly with existing Cisco brand switches and routers, ensuring frictionless deployment.
  • Multi-Mode Fiber: Supports cost-effective multi-mode fiber cabling for reliable short-to-medium distance network interconnects.
  • Hot-Swap Capability: Allows for module replacement without interrupting network services, minimizing downtime during maintenance or upgrades.
$47.75
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Manufacturer Warranty Included

Product Overview

The StarTech.com QSFP-40G-SR4-S compatible transceiver is a purpose-built fiber optic module engineered for high-bandwidth 40 Gigabit Ethernet (40GbE) networks. Utilizing multi-mode fiber (MMF) with an MPO connector, it supports data transfer rates of 40,000 Mbit/s over distances up to 100 meters, operating at an 850nm wavelength.

This module is specifically designed, programmed, and tested for compatibility with Cisco brand switches and routers, ensuring reliable performance within existing enterprise network environments. Its hot-swap capability and Digital Diagnostics Monitoring (DDM) provide operational flexibility and proactive performance insights, backed by an impressive 244,610,583 hours Mean Time Between Failures (MTBF).

  • 40 Gigabit Ethernet: Provides essential high-speed data transfer capabilities, eliminating network bottlenecks in demanding enterprise applications.
  • Cisco Certified Compatibility: Guarantees reliable operation and full feature support when deployed within Cisco networking hardware, protecting infrastructure investments.
  • 100m Multi-Mode Reach: Offers flexible deployment for intra-building or campus network links, balancing performance with cost-effective fiber cabling.
  • Hot-Swappable Design: Enables network administrators to install or replace modules without powering down equipment, ensuring continuous network uptime.
  • Digital Diagnostics Monitoring (DDM): Delivers real-time operational data, allowing for proactive troubleshooting and optimized network performance management.

This QSFP+ transceiver is an ideal solution for businesses requiring reliable, high-speed network expansion and maintenance within their Cisco-powered infrastructure.

Technical Specifications

1Performance & Business Impact
Maximum Data Transfer Rate40 Gbps
Maximum Transfer Distance100 meters (328 feet)
Wavelength850 nm
Digital Diagnostics Monitoring (DDM)Yes
Mean Time Between Failures (MTBF)244,610,583 hours
Brand CompatibilityCisco
2Connectivity & I/O
Interface TypeQSFP+
Fiber Optic ConnectorMPO
Fiber Ethernet Cabling Technology40GBASE-SR4
Multi-Mode Fiber (MMF) SupportedYes
3Physical & Environmental
Width122 mm / 4.8 inches
Depth18.6 mm / 0.73 inches
Height8.5 mm / 0.33 inches
Weight37.5 g / 0.08 lbs
Product ColorSilver
Hot-SwapYes
Chassis MaterialMetal Alloy
4Lifecycle, Warranty & Compliance
WarrantyLifetime Warranty
In-Box Contents1x QSFP+ Transceiver Module
Compliance CertificationsCE, RoHS
Country of OriginChina

Full Specifications

Manufacturer Data
Performance9
SFP transceiver typeFiber optic
Maximum data transfer rate40000 Mbit/s
Interface typeQSFP+
Multi-mode fiber (MMF) supportedYes
Fiber optic connectorMPO
Maximum transfer distance100 m
Wavelength850 nm
Fiber ethernet cabling technology40GBASE
Digital Diagnostics Monitoring (DDM)Yes
Features5
Product colourSilver
Hot-swapYes
Mean time between failures (MTBF)244610583 h
Brand compatibilityCisco
Compatible productsSFP-40G-SR4-S
Weight & dimensions4
Width122 mm
Depth18.6 mm
Height8.5 mm
Weight37.5 g
Certificates1
Compliance certificatesCE, RoHS
Packaging content1
Quantity per pack1 pc(s)
Packaging data1
Package width120 mm
Logistics data1
Master (outer) case width120 mm
Downloads1
Product Datasheet76 KB
Download

What This Solves

Data Center Interconnects

Within a data center, high-speed links are crucial for server-to-server and server-to-storage communication. This transceiver provides 40GbE connectivity, ensuring rapid data transfer and low latency for virtualized environments and large database operations.

Data center operators, co-location facilities, enterprise infrastructure teams, cloud service providers

Campus Network Backbone

Connecting network switches across different buildings or floors within a campus environment requires robust, high-capacity links. The 100m multi-mode fiber capability enables efficient and cost-effective backbone connections for distributed office networks.

Large corporate campuses, educational institutions, government agencies, multi-site organizations

Network Device Aggregation

Aggregating traffic from multiple access layer switches to a distribution or core layer switch demands significant bandwidth. This 40GbE module facilitates high-density uplinks, preventing congestion and maintaining network performance during peak usage.

Enterprise network operations, IT infrastructure teams, organizations with high user density

Key Features

40000 Mbit/s Maximum Data Transfer Rate

Enables ultra-fast data throughput, significantly reducing latency and accelerating critical business applications across the network.

Cisco Brand Compatibility

Ensures seamless integration and optimal performance within existing Cisco networking infrastructures, protecting current hardware investments.

100 m Maximum Transfer Distance

Provides reliable short-to-medium distance connectivity, ideal for linking network equipment within data centers or across campus buildings.

Hot-Swap Support

Allows for module installation or replacement without requiring a system shutdown, minimizing network downtime and operational disruption.

Digital Diagnostics Monitoring (DDM)

Offers real-time monitoring of transceiver parameters, enabling proactive troubleshooting and ensuring consistent network link health.

Compatible With

Networking Equipment

Cisco switches, routers, firewalls, network appliances requiring QSFP+ ports

Fiber Optic Infrastructure

MPO fiber patch panels, multi-mode fiber cables, optical distribution frames, fiber enclosures

Server & Storage Systems

High-performance servers, network-attached storage (NAS), storage area networks (SAN) requiring 40GbE

Data Center Environments

Server racks, blade enclosures, converged infrastructure platforms, core network segments

Frequently Asked Questions

What type of fiber cable is required for this transceiver?

This transceiver requires multi-mode fiber (MMF) optic cables, specifically designed for 40GBASE-SR4 compliant networks. It utilizes an MPO connector for high-density fiber connections.

Is this transceiver compatible with non-Cisco networking equipment?

While designed and tested for Cisco brand switches and routers, its adherence to 40GBASE-SR4 standards may allow compatibility with other QSFP+ enabled equipment. However, full functionality and performance are guaranteed with Cisco devices.

What is the maximum distance this module can support?

The StarTech.com QSFP-40G-SR4-S compatible transceiver supports a maximum transfer distance of 100 meters (328 feet) over multi-mode fiber, making it suitable for intra-building or campus interconnects.

Does this module support Digital Diagnostics Monitoring (DDM)?

Yes, this transceiver module supports Digital Diagnostics Monitoring (DDM). This feature allows network administrators to monitor real-time parameters such as optical output power, input power, temperature, and voltage.

Warranty & Returns

Manufacturer Warranty

Lifetime

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$47.75