Skip to content


by Arista
Product Line: Arista QSFP100GCWDM4
Product Type: Transceiver
Original price $308.00 - Original price $400.00
Original price
$308.00 - $400.00
Current price $308.00
Title: Surplus

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The QSFP-100G-CWDM4 Arista module is designed for 100GBase-CWDM4 applications, offering throughput up to 2km over single-mode fiber with wavelengths between 1270nm to 1330nm via an LC connector. It features SFF-8665 Compliance, operates within a commercial temperature range of 0 to 70 Celsius, and supports hot pluggable functionality for easy integration. Ensuring reliability and performance, the module is RoHS Compliant, offers excellent ESD protection, and operates with a data rate per channel of 25.78125 Gb/s.

Key Feature for the QSFP100GCWDM4

  • What is the maximum distance the 100GBase-CWDM4 module can transmit data over single-mode fiber?
    The 100GBase-CWDM4 module can transmit data up to 2km over single-mode fiber.
  • Which compliance standards does this module meet?
    This module meets SFF-8665 compliance standards.
  • What type of connector does the 100GBase-CWDM4 use?
    The module uses a Duplex LC connector for connectivity.
  • Can the module be used in commercial temperature environments?
    Yes, the module is designed for commercial temperature environments, ranging from 0 to 70 Celsius.
  • What are the operating wavelength ranges for the 100GBase-CWDM4?
    The operating wavelength ranges are between 1270nm to 1330nm.
  • Is the module hot pluggable?
    Yes, the module supports hot plugging for easy installation and removal without shutting down the system.
  • How does the 100GBase-CWDM4 module protect against electrostatic discharge (ESD)?
    The module features excellent ESD protection to safeguard against electrical discharges.
  • What are the storage temperature limits for this module?
    The storage temperature limits are minimum -40°C and maximum +85°C.
  • What is the power dissipation of the module?
    The power dissipation of the module is 3500 mW.
  • What is the data rate per channel supported by the 100GBase-CWDM4?
    The data rate per channel supported is 25.78125 Gb/s.

Product Review

The Arista QSFP-100G-CWDM4 offers a significant advantage with its 100GBase-CWDM4 throughput capability, supporting distances up to 2km over single-mode fiber, and operating across wavelengths from 1270nm to 1330nm, making it suitable for a wide range of long-distance networking needs. However, the module's power dissipation at 3500 mW and module supply current of 1100 mA may require careful thermal management and power budgeting in densely populated racks. Additionally, its compliance with SFF-8665, RoHS, and excellent ESD protection features ensure its reliability and safety in various environmental conditions, although the commercial temperature range limits its deployment in environments outside the 0 to 70 Celsius range.


The Arista QSFP-100G-CWDM4 is a high-performance, 100GBase-CWDM4 transceiver designed for long-distance optical networking. This transceiver offers a data throughput capability of up to 100 Gbps, supporting distances of up to 2 kilometers over single-mode fiber. It operates by multiplexing wavelengths between 1270nm to 1330nm, utilizing an LC duplex connector for efficient and reliable fiber optic connections. This product is compliant with the SFF-8665 specification, ensuring compatibility and interoperability with a wide range of networking equipment. The QSFP-100G-CWDM4 supports a commercial operating temperature range from 0 to 70 Celsius, making it suitable for deployment in a variety of environments without the need for specialized cooling solutions. Key hardware specifications include: - Single-mode Fiber: Ensures high-quality, long-distance transmission. - Hot Pluggable: Allows for easy installation and removal without disrupting network operations. - Excellent ESD Protection: Protects the device against electrostatic discharges, enhancing its durability. The transceiver's construction features metal with lower electromagnetic interference (EMI), contributing to improved signal quality and reliability in dense networking environments. It is RoHS compliant and lead-free, reflecting Arista's commitment to environmental responsibility. Electrical characteristics of the QSFP-100G-CWDM4 include a maximum supply voltage range from -0.5V to 4.0V, with a module supply current of 1100 mA. Power dissipation is capped at 3500 mW, ensuring efficient operation. The device also features an AC common mode output voltage of 7.5 mV. Operational durability is a key aspect of the QSFP-100G-CWDM4, with a storage temperature range from -40 to +85 Celsius. This wide range allows the transceiver to be stored in a variety of conditions without affecting its performance. The operating case temperature also supports a range from 0 to 70 Celsius, with relative humidity tolerance between 5% and 95%, ensuring stable operation in various environmental conditions. Data transmission capabilities are robust, with a data rate per channel of 25.78125 Gb/s. This high-speed performance is essential for modern data centers and high-bandwidth networking tasks, facilitating efficient data transfer and reducing latency. In summary, the Arista QSFP-100G-CWDM4 transceiver is a versatile and high-performance solution for 100G networking. Its support for up to 2km over single-mode fiber, compliance with industry standards, and efficient power usage make it an ideal choice for enterprises and service providers looking to enhance their network capabilities with reliable, long-distance optical communication.


Item Number Arista QSFP-100G-CWDM4
Capacity 100GBase-CWDM4, up to 2 kilometers via single-mode fiber
Operational Wavelength Range 1270nm to 1330nm, LC connector interface
Standard Compliance SFF-8665
Connector Type LC Duplex
Operational Temperature Range 0°C to 70°C
Fiber Type Single-mode
Installation Feature Plug-and-Play Capability
Static Protection Superior ESD Immunity
Environmental Certification RoHS Certified, Lead-Free Composition
Enclosure Material Low-EMI Metal Housing
Lowest Operating Voltage -0.5V
Highest Operating Voltage 4.0V
Storage Temperature Minimum -40°C
Storage Temperature Maximum +85°C
Energy Consumption 3.5W
Current Requirement 1.1A
Output Voltage in AC Mode 7.5mV
Minimum Case Operating Temperature 0°C
Maximum Case Operating Temperature 70°C
Humidity Tolerance Minimum 5%
Humidity Tolerance Maximum 95%
Transfer Rate Per Channel 25.78125 Gbps

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare