NORTHBAY QFX-QSFP-40GB Switch Modules Esr4nb

( Brand: Northbay ), ( Manufacturer Part Number: QFX-QSFP-40GB ), ( Part Type: Switch Module ), ( Compatible Brand: For Juniper Networks ), ( Connectors: 20 Pin ), ( Network Ports: Qsfr )

Review NORTHBAY Lot Of Esr4nb

The NorthBay NorthBay QFX-QSFP-40GB ESR4-NB is a high-performance 40Gb Ethernet QSFP transceiver module designed for data center applications. This transceiver is engineered to deliver reliable and consistent data transfer rates, making it an excellent choice for server-to-server, server-to-switch, or switch-to-switch connectivity.

The QFX-QSFP-40GB ESR4-NB supports 40Gbps data transfer rates over multi-mode fiber (MMF) or single-mode fiber (SMF) cabling, providing flexibility for various network architectures. The module is built with a small form-factor pluggable plus (QSFP ) connector, allowing for easy installation and interoperability with a wide range of compatible switches and routers.

The NorthBay QFX-QSFP-40GB ESR4-NB is designed for enhanced signal reach and is capable of supporting longer cabled distances compared to standard transceivers. The module also features a low power consumption design, which contributes to energy efficiency in data center environments.

The NorthBay QFX-QSFP-40GB ESR4-NB is a plug-and-play device, meaning it requires minimal configuration and is compatible with various network operating systems. It is also equipped with advanced error detection and correction capabilities, ensuring data integrity and reliability in high-speed network applications.

In summary, the NorthBay NorthBay QFX-QSFP-40GB ESR4-NB is a versatile and high-performance 40Gb Ethernet transceiver module, ideal for data center applications that demand reliable, consistent, and high-speed data transfer. Its compatibility with various fiber cabling options, low power consumption design, and advanced error correction capabilities make it a valuable addition to any network infrastructure.

The NorthBay NorthBay QFX-QSFP-40GB ESR4-NB is a 40GbE QSFP copper cable transceiver designed for data center applications. Here are some potential pros and cons of buying this transceiver:

1. High-speed data transfer: With a data transfer rate of 40Gbps, this transceiver is ideal for high-bandwidth applications such as data center interconnects, storage networks, and virtualization environments.

2. Copper cable: The use of a copper cable in this transceiver makes it more cost-effective and easier to install compared to fiber optic cables. Copper cables also have lower latency than fiber optic cables, making them a good choice for applications that require low latency.

3. Compatibility: This transceiver is compatible with various data center switches and servers, making it a versatile option for different infrastructure setups.

4. Energy efficient: The NorthBay QFX-QSFP-40GB ESR4-NB is designed to be energy efficient, which can help reduce the overall power consumption of your data center.

1. Limited reach: Copper cables have a limited reach compared to fiber optic cables. This transceiver has a maximum cable length of 7 meters, so it may not be suitable for long-distance applications.

2. Limited temperature range: This transceiver has a limited operating temperature range of 0 C to 65 C, which may not be suitable for all data center environments.

3. Potential compatibility issues: While this transceiver is compatible with many data center switches and servers, it's essential to check the compatibility of your specific infrastructure before making a purchase to avoid any potential issues.

In conclusion, the NorthBay NorthBay QFX-QSFP-40GB ESR4-NB is a good option for data center applications that require high-speed data transfer, low latency, and cost-effectiveness. Its use of a copper cable makes it easier to install and more energy efficient compared to fiber optic cables. However, its limited reach, temperature range, and potential compatibility issues should be considered before making a purchase.

Based on the pros and cons listed above, I would recommend this transceiver for data center applications that require high-speed data transfer, low latency, and cost-effectiveness, and where the cable length and temperature range are within the specified limits. If your infrastructure has longer cable lengths or operates in extreme temperatures, you may want to consider a fiber optic transceiver instead.

Details:

LOT OF 7 NORTHBAY QFX-QSFP-40GB -ESR4-NBUSED in a good working condition free hipping.

part #: qfxqsfp40gb prices

• $19.00-$240.00

specifications switchchunk:

• brand: Northbay
• mpn: Qfx-qsfp-40gb
• part type: Switch Module
• compatible brand: For Juniper Networks
• connectors: 20 Pin
• network ports: Qsfr

payments switchchunk:

• credit card: Visa
• money order
• other
• wallet: Paypal

returns switchchunk:

• paid by: Buyer
• method: Money back
• policy: Returns Accepted
• time: 30 Days

seller switchchunk:

• rating: 100.0%
• city: Cary, North Carolina
• # reviews: 1898

offer switchchunk:

• quantity: 1
• options: Ship-to-home
• started: March 22, 2026
• best offers: True
• sold: 0
• availability: In Stock

general switchchunk:

• condition: Used
• Enterprise Networking, Servers > Switches Hubs > Switch Modules

shipping switchchunk:

• transit: 4-8 Days
• carrier: FedEx
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• class: Standard