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by Juniper
Product Line: Juniper MX Series
Product Type: Switch Fabric Board
Original price $0.00 - Original price $308.00
Original price
$0.00 - $308.00
Current price $308.00
Title: Used

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Product Description

The MX2000-SFB Juniper offers a full-duplex switching capacity of up to 4 Tbps, supported by PCIe control of three XF ASICs and an I2C bus logic interface for efficient component management. It provides a scalable slot capacity, achieving 750-Gbps per slot with eight SFBs and 860-Gbps per slot with seven SFBs, within a form factor of 1.7 in. (4.31 cm) width, 23.6 in. (59.94 cm) depth, and 16.225 in. (41.21 cm) height, weighing 12 lb (5.44 kg). The system ensures high availability through N+N power redundancy and an N+1 power supply module, with a maximum power requirement of 250 W under typical conditions, adjusting to 295 W at 55° C, 280 W at 40° C, and 270 W at 25° C.

Key Feature for the MX2000-SFB

  • What is the full-duplex switching capacity of this device?
    The device offers up to 4 Tbps of full-duplex switching capacity.
  • How does the device interface with component management systems?
    It uses an I2C bus logic interface for managing component systems.
  • What control mechanism is used for the three XF ASICs?
    PCIe control is utilized for the three XF ASICs.
  • Can you explain the switching functions available for MPCs?
    The device provides switching functions specifically designed for Modular Port Concentrators (MPCs).
  • What is the capacity per slot with eight SFBs?
    With eight SFBs, the capacity per slot is 750-Gbps.
  • How does the per slot capacity change with seven SFBs?
    When utilizing seven SFBs, the per slot capacity increases to 860-Gbps.
  • What are the physical dimensions and weight of the device?
    The device measures 1.7 in. (4.31 cm) in width, 23.6 in. (59.94 cm) in depth, 16.225 in. (41.21 cm) in height, and weighs 12 lb (5.44 kg).
  • What are the maximum power requirements for this device at various temperatures?
    At 25° C, it requires 270 W; at 40° C, 280 W; and at 55° C, 295 W, all without MICs.
  • How is redundancy achieved in the power supply?
    The device achieves redundancy with an N+1 power supply module configuration.
  • What are the system throughput and per slot capacity?
    The system throughput is 40 Tbps, with a per slot capacity of 4 Tbps.

Product Review

The Juniper MX2000-SFB stands out for its impressive switching capacity, offering up to 4 Tbps per slot and a system throughput of 40 Tbps, accommodating the needs of large-scale networks. It supports a variety of Ethernet configurations, including 40x100GbE, 16x200GbE, and 8x400GbE, enhancing its versatility for different network architectures. However, its maximum power requirements of up to 295 W at higher temperatures and a weight of 12 lb may pose challenges for power efficiency and physical installation in densely packed data centers.


The Juniper MX2000-SFB is a pivotal component in the realm of computer networking hardware, designed to meet the demands of high-capacity networks. It stands out due to its impressive full-duplex switching capacity of up to 4 Tbps, ensuring efficient data handling and transfer across networks. This is further complemented by the device's per slot capacity of 750-Gbps when operating with eight Switch Fabric Boards (SFBs) and 860-Gbps per slot with seven SFBs, showcasing its flexibility and high performance in various configurations. At the heart of the MX2000-SFB are three XF Application-Specific Integrated Circuits (ASICs), controlled via PCIe, which underscore its capability to manage extensive data flows seamlessly. These ASICs are integral for the switching functions for Modular Port Concentrators (MPCs), enabling the device to support a wide range of network demands. Furthermore, the inclusion of an I2C bus logic interface facilitates efficient management of component managements, illustrating the device's advanced control features. The hardware specifications of the MX2000-SFB reveal a meticulously designed device. It weighs 12 lb (5.44 kg) and measures 1.7 inches (4.31 cm) in width, 23.6 inches (59.94 cm) in depth, and 16.225 inches (41.21 cm) in height, making it a compact yet powerful solution for networking needs. The device's maximum power requirements vary with temperature, consuming 270 W at 25° C, 280 W at 40° C, and 295 W at 55° C, while operating on -48 V DC or AC power. This demonstrates the MX2000-SFB's efficient power usage across different environmental conditions. With 10 slots, the MX2000-SFB achieves a system throughput of 40 Tbps, highlighting its capability to handle massive amounts of data. It supports various Ethernet speeds, including 40x 100GbE, 16x 200GbE, and 8x 400GbE, catering to diverse network speed requirements. This makes the device suitable for a wide range of applications, from data centers to service provider networks.
  • Redundancy is a key feature of the MX2000-SFB, with N+N redundancy for power ensuring uninterrupted operation and N+1 power supply module redundancy, providing an extra layer of reliability.
  • The device's switching capacity and flexibility in slot capacity enable it to support the evolving needs of modern networks.
  • Its compact design and efficient power consumption make it an ideal choice for environments where space and power are considerations.
In conclusion, the Juniper MX2000-SFB stands as a testament to high-performance networking hardware. Its advanced features, such as the PCIe control of three XF ASICs, I2C bus logic interface, and impressive switching capacities, make it a formidable choice for network engineers looking to deploy a reliable, scalable, and efficient networking infrastructure. Whether for data center interconnects, metro aggregation, or service provider backbone networks, the MX2000-SFB is engineered to meet the rigorous demands of today's and tomorrow's networking environments.


Part Number MX2000-SFB
Manufacturer Juniper
Switching Capacity Up to 4 Terabits per second, full-duplex
Management Interface I2C bus for component monitoring
ASIC Control PCI Express manages three XF ASICs
MPC Switching Capability Enables switching for Modular Port Concentrators
Per Slot Bandwidth 750 Gbps with eight Switch Fabric Boards
Enhanced Slot Capacity 860 Gbps with seven Switch Fabric Boards
Weight 12 pounds (5.44 kilograms)
Dimensions (W x D x H) 1.7 x 23.6 x 16.225 inches (4.31 x 59.94 x 41.21 cm)
Power Consumption Typical without MICs: 250 Watts
Power Use at Various Temperatures 295 W at 55°C, 280 W at 40°C, 270 W at 25°C
Power Input Options -48 V DC or AC
Number of Slots 10
Throughput Capability 40 Terabits per second system-wide
Ethernet Interface Support 40x 100GbE, 16x 200GbE, 8x 400GbE
Redundancy System and power: N+N and N+1 configurations

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