Name: QSFP40GSR4ST STARTECH 40Gbps QSFP+ 40GBASE-SR4 Multimode Fiber Transceiver
Brand: StarTech
SKU: QSFP40GSR4ST
Price: 160.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The STARTECH QSFP40GSR4ST transceiver delivers 40 Gigabit per second data rates using the QSFP+ interface. It’s designed primarily for short-range fiber optic connections within data centers or network hubs, providing a straightforward way to expand bandwidth where needed. Its compact form and compliance with industry standards make it a practical component in many networking setups.

General Information
Brand	StarTech
Part Number	QSFP40GSR4ST

Technical Information
Form Factor	QSFP+
Media	MMF
Type	VCSEL
Protocols	40GBASE-SR4,IEEE 802.3ba
Connector	MTP/MPO

Physical Characteristics
Weight	5.00
Condition	Refurbished

Product Description
The STARTECH QSFP40GSR4ST is a high-speed transceiver designed to enable 40 Gigabit Ethernet connections in data centers and enterprise networks. It is built to handle short-range data transmission over multimode fiber, making it a reliable choice for linking switches, servers, and storage systems. Frequently found in modern network infrastructures, this transceiver suits IT professionals and network engineers aiming to upgrade their bandwidth without overhauling cabling. Its QSFP+ form factor allows for compact installation in compatible switches or network devices. Key Features Compatible with 40GBASE-SR4 standard for short-range communication Operates over OM3 multimode fiber supporting distances up to 100 meters QSFP+ form factor maximizes port density in networking equipment Hot-pluggable design enables easy installation and replacement without downtime Low power consumption helps maintain energy-efficient operation This transceiver is commonly deployed in high-performance data centers where fast, reliable connections between equipment racks are essential. It plays a vital role in ensuring smooth data flow within server farms and enterprise networks.

Use Cases
The STARTECH QSFP40GSR4ST transceiver is ideal for high-performance networking environments requiring rapid data transfer over short distances. It caters to data centers and enterprise IT setups where reliable, high-bandwidth interconnects are essential for managing dense server and storage configurations. How It's Used: Connecting top-of-rack switches to aggregation switches within data center racks to support virtualization workloads. Facilitating high-speed uplinks in enterprise core networks to handle large file transfers and real-time analytics. Interfacing storage clusters to ensure fast, low-latency access to critical applications in financial services. Supporting cloud service providers' infrastructure by linking high-density fiber optic cabling for scalable network expansion. Enabling campus network backbone upgrades to meet increasing bandwidth demands in research and educational institutions. This transceiver supports operational efficiency by providing scalable high-speed connectivity designed for rack-dense environments. Its compatibility with established standards ensures seamless integration, enabling network administrators to maintain performance consistency as infrastructure demands evolve.

QSFP40GSR4ST STARTECH 40Gbps QSFP+ 40GBASE-SR4 Multimode Fiber Transceiver

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases