Name: QSFP-40G-SR4-Finisar FINISAR 40GBASE-SR4 QSFP Transceiver
Brand: Finisar
SKU: QSFP-40G-SR4-Finisar
Price: 10.35 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Finisar QSFP-40G-SR4 is a 40Gbps multimode fiber transceiver designed for short-reach connections in data centers and enterprise networks. It fits into standard QSFP slots, providing a reliable link for server and switch interconnects while keeping power use low and physical footprint compact.

General Information
Brand	Finisar
Part Number	QSFP-40G-SR4-Finisar

Technical Information
Form Factor	QSFP+
Media	MMF
Type	VCSEL
Power Consumption	Typical ~2.5 W, Max 3.5 W
Protocols	40GBASE-SR4, IEEE 802.3ba
Connector	MTP/MPO
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The Finisar QSFP-40G-SR4 module provides fast and reliable 40 Gigabit per second connectivity ideal for short-range data transmissions. It's commonly used in data centers and enterprise networks where high bandwidth and low latency are crucial for tasks like server aggregation and switch interconnections. This transceiver is built for systems requiring multimode fiber links and is often found in network environments that prioritize speed and efficiency, such as cloud infrastructure and high-performance computing clusters. Network engineers and IT professionals benefit from its straightforward installation and compatibility with standard QSFP ports. Key Features Supports 40GBASE-SR4 standard for short-range fiber connections Operates over multimode fiber with reach up to 100 meters Compact QSFP form factor fits dense networking equipment Energy efficient design reduces overall power consumption Integrated diagnostics for real-time monitoring of performance This transceiver module is typically deployed in data centers managing high-volume traffic between switches and servers. It helps maintain smooth network operation with minimal downtime and supports growing data demands without requiring extensive hardware upgrades.

Use Cases
The Finisar QSFP-40G-SR4 transceiver is primarily deployed in high-density data center environments where short-reach, high-speed connectivity is critical. It serves IT professionals looking to optimize server-to-switch or switch-to-switch links within rack deployments, supporting bandwidth-intensive applications and virtualization infrastructure over multimode fiber. How It's Used: Connecting top-of-rack switches to aggregation switches in enterprise data centers requiring low-latency 40Gbps links. Interlinking storage clusters within hyper-converged infrastructure setups to maintain high throughput and minimal bottlenecks. Facilitating high-bandwidth server interconnects in virtualized environments handling large-scale compute workloads. Supporting multi-tenant colocation facilities that demand scalable short-reach fiber solutions for client equipment interconnections. Enabling edge computing nodes to communicate efficiently with central data center resources over multimode fiber runs. By delivering robust 40Gbps connectivity with low power consumption, this transceiver aids in managing thermal and energy constraints while scaling network capacity. Its compatibility with standardized QSFP interfaces ensures seamless integration in existing rack infrastructure, promoting operational efficiency and network scalability.

QSFP-40G-SR4-Finisar FINISAR 40GBASE-SR4 QSFP Transceiver

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases