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by Juniper
Product Line: Juniper QFX10000 Series
Product Type: Line Card
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Product Description

The QFX10000-36Q line card features a 36-port 40GbE QSFP+ and a 12-port 100GbE QSFP28, supporting a maximum port density of 144 10GbE, 36 40GbE, and 12 100GbE connections. It is designed with a 12 GB buffer, 8 output queues per port, and supports up to 200 distributed BFD sessions and 448 link aggregation groups (LAG). The card's dimensions are 17.2 x 1.89 x 20.54 inches (43.7 x 4.8 x 52.2 cm), weighs 22.6 lbs (10.2 kg), and operates within a temperature range of 32°F to 104°F, ensuring reliability across various environments.

FAQs for the QFX10000-36Q

  • What is the maximum 40GbE port density of the QFX10000 line card?
    The maximum 40GbE port density is 36.
  • How does the 36-port 40GbE QSFP+ / 12-port 100GbE QSFP28 line card support high-density networking?
    By offering a combination of 36 ports for 40GbE using QSFP+ transceivers and 12 ports for 100GbE with QSFP28, enabling flexible and scalable network configurations.
  • What are the dimensions of the QFX10000 line card?
    Dimensions are 17.2 x 1.89 x 20.54 inches (43.7 x 4.8 x 52.2 cm).
  • Can the line card handle large data frames, and what is its maximum jumbo frame size?
    Yes, it can handle large data frames with a maximum jumbo frame size of 9,216 bytes.
  • What is the typical power consumption of the line card?
    Typical power consumption is 520W.
  • How many output queues per port does the line card support?
    It supports 8 output queues per port.
  • What is the buffer size of the QFX10000 line card?
    The buffer size is 12 GB.
  • What is the operating temperature range for the line card?
    The operating temperature range is from 32°F to 104°F.
  • How many distributed BFD sessions can the line card support?
    The line card can support up to 200 distributed BFD sessions per line card.
  • What are the seismic design specifications of the line card?
    It is designed to meet GR-63, Zone 4 earthquake requirements.

Product Review

The Juniper QFX10000-36Q offers high port density, supporting up to 36 40GbE QSFP+ and 12 100GbE QSFP28 ports, catering to environments demanding high bandwidth and scalability. Despite its capabilities, its power consumption is considerable, with typical usage at 520W and reserved power reaching 675W, potentially impacting operational costs in large deployments. Additionally, the 12 GB buffer enhances performance for data-intensive applications, although the device's weight and size necessitate careful consideration regarding rack space and physical installation requirements.


The Juniper QFX10000-36Q is a high-performance line card designed to deliver advanced networking capabilities. With its dual functionality, it supports 36 ports of 40GbE QSFP+ and 12 ports of 100GbE QSFP28, catering to a wide range of high-speed networking requirements. This flexibility makes it an ideal solution for data centers requiring scalable and efficient network infrastructure. Measuring 17.2 inches in width, 1.89 inches in height, and 20.54 inches in depth, and weighing 22.6 lbs, the QFX10000-36Q integrates seamlessly into standard networking racks, optimizing space without compromising performance. Its design ensures it can be easily accommodated in various environments, from compact spaces to large-scale data centers. The hardware specifications of the QFX10000-36Q include a substantial 12 GB buffer, which enhances the performance and reliability of data transmission across the network. This is particularly beneficial in environments where high volumes of data are transmitted, ensuring smooth and efficient operations. The line card operates within a power range of 520W typically, with a reserved power capacity of 675W, indicating its efficient power consumption relative to its performance output.
  • Maximum 10GbE port density is 144, allowing for significant scalability in network design.
  • Supports jumbo frames up to 9,216 Bytes, enhancing data transmission efficiency by allowing more data to be sent in a single packet.
  • Features 8 output queues per port, ensuring refined traffic management and prioritization across the network.
The QFX10000-36Q is designed to operate within a broad temperature range, from 32°F to 104°F (0°C to 40°C), and can be stored in temperatures ranging from -40°F to 158°F. This wide operating temperature range ensures reliability and continuous operation in various environmental conditions. Additionally, the line card can operate at altitudes up to 10,000 ft, making it suitable for deployment in a wide range of geographical locations. With its support for distributed BFD sessions up to 200 per line card and the capability to configure up to 448 link aggregation groups (LAG), the QFX10000-36Q enables enhanced network reliability and performance optimization. It also meets GR-63, Zone 4 earthquake requirements, ensuring that it provides reliable service even in seismic-prone areas. The humidity levels for operating conditions are between 5% and 95%, and for non-operating conditions, the device can withstand humidity from 5% to 95% (noncondensing), underscoring its resilience in various environmental conditions. In summary, the Juniper QFX10000-36Q line card is engineered to meet the demands of modern data centers, offering high port density, flexibility, and reliability. Its comprehensive features and specifications ensure it can support a wide array of networking applications, making it a valuable component in any high-performance computing environment.


Product NumberJuniper QFX10000-36Q
Description36-port 40Gbps QSFP+ / 12-port 100Gbps QSFP28 line card
40Gbps Ports36 QSFP+
100Gbps Ports12 QSFP28
Size (W x H x D)17.2 x 1.89 x 20.54 inches (43.7 x 4.8 x 52.2 cm)
Weight22.6 pounds (10.2 kg)
10Gbps Port Capacity144
40Gbps Port Capacity36
100Gbps Port Capacity12
Memory Buffer12 GB
Power Normal520 W
Power Peak675 W
Maximum Frame Size9,216 Bytes
Output Queues/Port8
BFD Sessions Supported200 per line card
Max LAGs448
Min Operating Temperature32°F
Max Operating Temperature104°F
Min Storage Temperature-40°F
Max Storage Temperature158°F
Maximum Operating Altitude10,000 feet (3,048 m)
Earthquake ResistanceComplies with GR-63, Zone 4
Min Operating Humidity5%
Max Operating Humidity95%
Non-operating Humidity Range5% to 95% (non-condensing)

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