StarTech.com QSFP+ 40GBASE-SR4 40Gbps Multi-Mode Transceiver Module QSFP-40G-ESR4-ST
The StarTech.com QSFP-40G-ESR4-ST is an MSA-compatible 40 Gigabit Ethernet QSFP+ transceiver module, engineered to deliver dependable 40 Gbps connectivity over multi-mode fiber for distances up to 300 meters.
- 40 Gbps Throughput: Enables rapid data transfer, eliminating network bottlenecks in high-demand environments.
- MSA Compatibility: Ensures broad interoperability with a wide range of switches and routers, simplifying network integration.
- 300m Multi-Mode Reach: Supports high-speed fiber connections across data centers or within large campus networks.
- Hot-Swap Functionality: Allows module replacement without service interruption, maintaining continuous network uptime.
Product Overview
Product Overview
The StarTech.com QSFP-40G-ESR4-ST is a purpose-built 40 Gigabit Ethernet QSFP+ transceiver module, designed for high-performance networking with a maximum data transfer rate of 40,000 Mbit/s over multi-mode fiber using an MPO connector.
Engineered for enterprise environments, this module features Digital Diagnostics Monitoring (DDM) for proactive network health insights and hot-swap capability to ensure continuous service availability, backed by a lifetime warranty for long-term operational value.
- Core Functionality: Delivers 40 Gigabit Ethernet connectivity, supporting demanding applications and large data transfers across your infrastructure.
- Broad Compatibility: Engineered to work with MSA-compliant networking equipment, reducing vendor lock-in and simplifying procurement and integration.
- Enhanced Reliability: Features Digital Diagnostics Monitoring (DDM) for real-time performance insights, enabling proactive issue resolution and minimizing downtime.
- Seamless Integration: Utilizes an MPO connector for straightforward deployment within existing multi-mode fiber infrastructures, reducing installation complexity.
- Operational Value: Backed by a lifetime warranty and high MTBF, ensuring long-term dependability and a reduced total cost of ownership for your network assets.
This QSFP+ module is an essential component for businesses requiring high-speed, reliable, and easily manageable fiber optic network connections.
Technical Specifications
1Performance & Business Impact
2Connectivity & I/O
3Physical & Environmental
4Lifecycle, Warranty & Compliance
Full Specifications
Performance10
Features3
Weight & dimensions4
Certificates1
Packaging content1
Packaging data1
Logistics data1
Downloads1
What This Solves
High-Speed Data Center Links
Within modern data centers, rapid data transfer between servers, storage, and networking equipment is paramount for application performance. This module provides 40 Gbps fiber optic connectivity, ensuring low-latency and high-bandwidth interconnects for virtualized environments and cloud infrastructure.
Data center operators, co-location facilities, enterprise infrastructure teams
Campus Network Interconnects
Connecting multiple buildings or segments within a large campus network requires robust, high-capacity links to support aggregated traffic. The 300m multi-mode fiber reach of this module enables efficient and cost-effective high-speed backbone connections between facilities.
Campus networks, educational institutions, large corporate campuses
Enterprise Backbone Upgrades
As business data volumes grow, upgrading the core network backbone is essential to prevent bottlenecks and maintain service quality. Deploying these 40 Gbps QSFP+ modules allows organizations to significantly boost their network capacity, supporting increased user demand and new high-bandwidth applications.
Growing mid-market companies, enterprise IT departments, organizations with expanding data needs
Key Features
40000 Mbit/s Data Rate
Ensures ultra-fast network performance, supporting high-bandwidth applications like virtualization and large file transfers without degradation.
MSA Compatible QSFP+ Interface
Provides universal compatibility with a wide range of networking hardware, simplifying network expansion and upgrades while avoiding vendor lock-in.
Multi-Mode Fiber (MMF) Support
Optimizes short-to-medium distance connections up to 300 meters, making it ideal for inter-rack and intra-building data links within a campus or data center.
Digital Diagnostics Monitoring (DDM)
Offers real-time insight into transceiver health and performance parameters, enabling proactive maintenance and minimizing potential network downtime.
Hot-Swap Capability
Allows for module replacement or installation without powering down network devices, ensuring continuous service availability and reducing operational disruption.
Compatible With
Networking Equipment
Switches, routers, firewalls, network appliances from MSA-compliant vendors
Fiber Optic Infrastructure
Multi-mode fiber optic cables, MPO patch panels, fiber distribution units
Server & Storage Systems
High-performance servers, network-attached storage (NAS), storage area networks (SAN) with QSFP+ ports
Data Center Environments
Server racks, network cabinets, cooling systems, power distribution units
Frequently Asked Questions
What type of fiber optic cable is compatible with this module?
This module is designed for multi-mode fiber (MMF) optic cables, specifically for 40GBASE-SR4 applications, which typically use OM3 or OM4 fiber types.
Can this QSFP+ module be used with non-StarTech.com switches?
Yes, this module is MSA (Multi-Source Agreement) compatible, meaning it is engineered to work with a broad range of switches and routers from various vendors that adhere to MSA industry standards.
What is the maximum distance this transceiver can support?
It supports a maximum transfer distance of 300 meters (984 feet) when used with compatible multi-mode fiber optic cabling.
What is Digital Diagnostics Monitoring (DDM) and why is it important?
DDM provides real-time monitoring of the transceiver's operating parameters, such as temperature, voltage, and optical power. This capability allows IT teams to proactively identify and troubleshoot potential network issues before they impact operations, enhancing network reliability.
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.