Name: QSFP-40G-SM4 Dell 40Gb/s 40GBASE-SM4 Single-Mode QSFP+ LC Transceiver
Brand: Dell
SKU: QSFP-40G-SM4
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (114 reviews)

Product Overview
The QSFP-40G-SM4 transceiver provides 40 Gbps data transfer over multimode fiber with a 300-meter reach using an 850 nm light source. It fits standard QSFP+ interfaces and combines four 10 Gbps channels into a high-bandwidth link, ideal for short-distance network connections within data centers or enterprise networks.

General Information
Brand	Dell

Technical Information
Form Factor	QSFP+
Media	MMF
Type	VCSEL
Power Consumption	3.5 W
Protocols	40GBASE-SR4
Connector	MTP/MPO
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The QSFP-40G-SM4 is a high-speed optical transceiver designed for 40 Gigabit Ethernet connectivity over multimode fiber. It is commonly found in data center and enterprise network equipment, providing reliable short-range connections with a focus on speed and performance. Built for networking professionals and IT teams managing high-bandwidth infrastructures, this module fits into QSFP+ ports and supports efficient data transmission in dense environments. Key Features Utilizes 850 nm VCSEL laser technology for fast, stable signaling Supports multi-mode fiber with link lengths up to 300 meters Enables four channels of 10 Gbps data transmission aggregated into 40 Gbps Designed for low power consumption and reduced heat output Meets industry standards for interoperability and reliability This transceiver offers straightforward integration for systems requiring robust 40 GbE links. Its design balances performance and efficiency, making it a dependable choice in various network configurations. With consistent signal integrity and adherence to technical standards, the QSFP-40G-SM4 supports stable network operations that demand high throughput and minimal downtime.

Use Cases
This transceiver module is typically deployed in data center environments and enterprise campus networks where high-speed, short-range fiber connections are required. Network operators and infrastructure managers rely on such modules to support dense switch-to-switch or server-to-switch communications. How It's Used: Connecting top-of-rack switches within data center racks using multimode fiber Establishing high-bandwidth links between aggregation switches in enterprise networks Supporting virtualization environments that require fast east-west traffic flows Linking storage area networks demanding low latency and high throughput Facilitating network upgrades by providing scalable 40G connectivity By enabling reliable 40 GbE links over multimode fiber, this transceiver enhances network performance and scalability. It supports efficient data flows in dense environments, ensuring smooth operation of bandwidth-intensive applications.

Tech Atlantix

QSFP-40G-SM4 Dell 40Gb/s 40GBASE-SM4 Single-Mode QSFP+ LC Transceiver

QSFP-40G-SM4

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