JUNIPER NETWORKS Qsfp Optical QDD-400G-FR4 400GBASE 2KM 740-085349

( Brand: Juniper Networks ), ( Manufacturer Part Number: QDD-400G-FR ), ( Country Of Origin: Thailand )

Review JUNIPER NETWORKS Qdd-400g-fr Genuine 400gbase Qsfp dd 2km Optical

The Juniper Networks QDD-400G-FR QDD-400G-FR4 400Gbase QSFP-DD 2km Optical Transceiver is a high-performance, next-generation optical transceiver designed for data center applications. This transceiver is based on the latest QSFP-DD (Quad Small Form-factor Pluggable Double Density) standard, which delivers an unprecedented 400Gbps data transfer rate over a single fiber link.

The QDD-400G-FR4 transceiver is ideal for interconnecting servers, switches, and routers in data center environments, enabling high-bandwidth, low-latency communication between devices. With a reach of up to 2km, it is suitable for both short and medium-distance connections.

This transceiver features a compact, pluggable form factor, which makes it easy to install and deploy in a variety of networking equipment. It also supports both bi-directional and multi-source applications, ensuring seamless integration with various networking architectures.

The QDD-400G-FR4 is built using state-of-the-art components, ensuring exceptional reliability and durability. It complies with the IEEE 802.3bs standard, which defines the specifications for 400G Ethernet technology. The transceiver also supports both the 400GBASE-FR4 and 400GBASE-LR4 wavelengths, making it a versatile solution for different data center environments.

The Juniper Networks QDD-400G-FR QDD-400G-FR4 400Gbase QSFP-DD 2km Optical Transceiver is a crucial component for high-speed data center connectivity. Its advanced features, high performance, and robust design make it a reliable and efficient solution for meeting the increasing demands of modern data center applications.

The Juniper Networks QDD-400G-FR QDD-400G-FR4 is a 400GBASE QSFP-DD 2km optical transceiver. This transceiver offers high-speed data transfer and is ideal for data center interconnects and other applications requiring high bandwidth. Here are some pros and cons of buying this transceiver:

1. High-speed data transfer: With a data transfer rate of 400Gbps, this transceiver offers a significant increase in bandwidth compared to traditional 100G and 10G transceivers.

2. Long reach: The 2km optical reach of this transceiver makes it suitable for connecting servers and switches that are located relatively far apart in a data center.

3. Energy efficiency: The QSFP-DD form factor is known for its low power consumption, making this transceiver a good choice for energy-efficient data center designs.

4. Compatibility: This transceiver is compatible with various Juniper Networks switches and routers, making it a versatile option for different network configurations.

5. Future-proof: With the increasing demand for high-speed connectivity, investing in 400G transceivers like the QDD-400G-FR4 can help future-proof your data center infrastructure.

1. Cost: 400G transceivers are generally more expensive than their lower-speed counterparts. This can make them a significant investment for smaller data centers or organizations with limited budgets.

2. Limited availability: Due to their relatively new technology, 400G transceivers like the QDD-400G-FR4 may not be as widely available as more common transceivers, which could make sourcing them more difficult.

3. Complexity: Installing and configuring 400G transceivers may require more expertise and resources compared to lower-speed transceivers, which could add to the cost and complexity of your network infrastructure.

In conclusion, the Juniper Networks QDD-400G-FR QDD-400G-FR4 is a high-performance, long-reach 400GBASE QSFP-DD transceiver that offers significant benefits for data center interconnects and other high-bandwidth applications. However, its high cost, limited availability, and complexity may make it a less viable option for smaller organizations or those with limited resources.

Based on the pros and cons, I would recommend considering this transceiver for organizations or data centers that require high-speed connectivity and have the budget and expertise to support its installation and configuration. For smaller organizations or those with more modest bandwidth requirements, a lower-speed transceiver may be a more cost-effective and practical choice.

Details:

Juniper Networks Genuine QDD-400G-FR4 400GBase QSFP-DD 2km Optical Transceiver 740-085349, New, unused in original packaging, Specifications Compatible Vendor Name FS Form Factor Max Data Rate 400Gbps Wave length 1271nm,1291nm,1311nm,1331nm. Power Consumption 9W Extinction Ratio 3.5dB DDM/DOM Supported Commercial Temperature Range to 70 C 32 158 F Modulation Electrical 8x50G-PAM4 Optical 4x100G-PAM4 DSP TX and RX Inbuilt FEC No Core Size G.652/9um Packaging Technology COB Protocols QSFP-DD MSA, CMIS.5.0, IEEE 802.3bs Juniper Compatible. Cable Distance 2km Connector Duplex LC/UPC Media SMF Transmitter Type CWDM EML Receiver PIN TX Power -3.2 4.4dBm Minimum -7.2dBm Budget 4dB Overload Max.

part #: qdd400g prices

• $259.00-$399.00

specifications switchchunk:

• brand: Juniper Networks
• mpn: Qdd-400g-fr
• country of origin: Thailand

returns switchchunk:

• policy: No Returns

offer switchchunk:

• quantity: 5
• options: Ship-to-home
• started: March 2, 2026
• best offers: True
• sold: 0
• availability: In Stock

payments switchchunk:

• wallet: Paypal
• other
• credit card: Mastercard

shipping switchchunk:

• carrier: USPS, FedEx, UPS
• service: USPS Priority Mail, FedEx 2Day, UPS Next Day Air
• transit: 4-10 Days
• cost: $0.00
• type: Calculated
• class: Expedited, One-day

general switchchunk:

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

seller switchchunk:

• # reviews: 2888
• city: Los Angeles, California
• rating: 100.0%

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