Name: QSFP-100G-CWDM4 Arista 100GBase-CWDM4 QSFP Optical Transceiver 2km SMF
Brand: Arista Networks
SKU: QSFP-100G-CWDM4
Price: 54.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Arista QSFP-100G-CWDM4 transceiver handles 100G Ethernet transmission over single-mode fiber up to 2 kilometers. It fits into standard QSFP ports on networking gear, offering a practical solution for mid-range optical links mostly found in data centers and enterprise environments.

General Information
Brand	Arista Networks
Part Number	QSFP-100G-CWDM4

Technical Information
Form Factor	QSFP28
Media	SMF
Type	4 x LAN WDM EML
Power Consumption	≤3.5W (typical ~3.5W)
Protocols	100GBASE-CWDM4,100G Ethernet
Connector	LC Duplex
DOM Support	Yes

Physical Characteristics
Weight	5.00
Condition	Refurbished

Product Description
The Arista QSFP-100G-CWDM4 is designed to transmit 100 Gigabit Ethernet signals over single-mode fiber, making it suitable for medium-range data center and enterprise network links. It’s often found in environments where reliable, high-speed connections up to 2 kilometers are needed without the expense of more complex optics. Built for network administrators and IT professionals, this transceiver provides a balance between performance and cost, supporting a variety of switches and routers with QSFP ports. Key Features Operates reliably over duplex SMF for distances up to 2 km Compact QSFP form factor allows high port density Compatible with 100G Ethernet standards for wide interoperability Enables efficient data center and campus network connections Low power consumption helps maintain system efficiency These transceivers are typically deployed in data centers, enterprise networks, and service provider settings where speed and distance requirements align. Their role in connecting switches, routers, and servers helps maintain smooth data flow across critical infrastructure.

Use Cases
The Arista QSFP-100G-CWDM4 transceiver is designed for environments requiring reliable 100G Ethernet connectivity over moderate distances. It is particularly suited to data centers and enterprise networks where duplex single-mode fiber links span up to 2 kilometers, supporting high-bandwidth applications and inter-rack connections. How It's Used: Facilitating high-speed uplinks between aggregation switches in large data centers. Connecting storage clusters within enterprise IT infrastructure for enhanced data throughput. Supporting virtualization environments that demand low-latency, high-bandwidth interconnects. Establishing resilient mid-range fiber links in campus networks to interconnect multiple buildings. Enabling edge computing nodes to communicate efficiently with central processing hubs in distributed networks. This transceiver enables scalable network architectures by providing consistent 100G performance over duplex SMF. It supports operational efficiency by ensuring seamless data transport across critical mid-range links integral to modern network topologies.

QSFP-100G-CWDM4 Arista 100GBase-CWDM4 QSFP Optical Transceiver 2km SMF

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases