Name: 4WJ41 Dell 100Gbps QSFP28 SR4 MMF MPO-12 Transceiver
Brand: Dell
SKU: 4WJ41
Price: 114.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell 4WJ41 QSFP-100G-SR4 is a compact transceiver designed for high-speed 100Gbps links over multimode fiber. It fits into QSFP28 ports and is typically used in short-range networking scenarios like data center racks. This module provides reliable connectivity by supporting the SR4 standard with an MPO-12 interface, making it a solid option for dense network environments that require quick, efficient data transfers.

General Information
Brand	Dell
Part Number	4WJ41

Technical Information
Form Factor	QSFP28
Media	MMF
Type	VCSEL
Power Consumption	≤3.5W (typical 3.5W, max ~4W)
Protocols	100GBASE-SR4,100GbE,IEEE 802.3bm
Connector	MTP/MPO
DOM Support	Yes

Physical Characteristics
Weight	5.00
Condition	Refurbished

Product Description
This Dell QSFP-100G-SR4 transceiver module enables high-speed 100Gbps data transmission over short distances using multimode fiber. It's commonly used in data centers and enterprise networks where rapid data exchange is essential within racks or between adjacent rooms. Networking professionals and system integrators often deploy this transceiver to upgrade or maintain high-performance network links without extensive rewiring. Key Features Supports 100Gbps speed over multimode fiber for fast data transfers MPO-12 connector facilitates straightforward fiber connectivity Complies with QSFP28 and SR4 standards for broad compatibility Optimized for short-range links, typically up to 100 meters Built to integrate smoothly with Dell network switches This transceiver is usually found in data centers, where it connects switches and servers across short distances. It helps maintain high bandwidth while keeping network infrastructure manageable and scalable. The module’s compatibility and performance make it a practical choice for upgrading existing network setups.

Use Cases
The Dell 4WJ41 QSFP-100G-SR4 transceiver is commonly deployed in high-density data center environments where short-range, high-bandwidth connectivity is critical. It benefits IT teams managing rack-to-rack or intra-switch connections that demand low latency and efficient fiber management. How It's Used: Connecting top-of-rack switches in enterprise data centers to support virtualization and cloud workloads. Linking storage area networks (SANs) within storage clusters requiring fast, reliable data transfers. Implementing high-throughput links in hyperscale environments to facilitate rapid data movement between aggregation switches. Supporting edge computing infrastructures that process data locally while maintaining high-speed uplinks to core networks. Upgrading legacy 40Gbps links to 100Gbps in campus networks to accommodate growing traffic demands. This transceiver contributes to operational efficiency by enabling scalable, high-performance connections optimized for multimode fiber. Its compatibility with existing QSFP28 ports and MPO-12 interfaces allows for streamlined upgrades and maintenance in complex networking setups.

4WJ41 Dell 100Gbps QSFP28 SR4 MMF MPO-12 Transceiver

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases