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by Juniper
Product Line: Juniper MX-series Series
Product Type: Module Interface Cards
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Product Description

The MIC3-3D-2X40GE-QSFPP is a Juniper 40-Gigabit Ethernet module featuring 2x 40 Gigabit QSFP+ ports, designed for high-capacity networking with a power consumption of 53 watts. It supports up to 40-Gbps of full-duplex traffic per port with Maximum Transmission Units (MTUs) of up to 9192 bytes, ensuring efficient data flow across networks. With dimensions of (H) 1.5 x (W) 5.8 x (D) 12.8 inches and a weight of 1.19 lb (0.54 kg), it offers a compact, high-performance solution for expanding network capabilities.

FAQs for the MIC3-3D-2X40GE-QSFPP

  • What is the data transfer speed of the 40-Gigabit Ethernet MIC with QSFP+?
    The data transfer speed of the 40-Gigabit Ethernet MIC with QSFP+ reaches up to 40 Gbps.
  • How many 40 Gigabit QSFP+ ports are available on this device?
    There are 2 x 40 Gigabit QSFP+ expansion slots available.
  • What are the dimensions of this module?
    The dimensions are 1.5" (H) x 5.8" (W) x 12.8" (D).
  • What is the power consumption for the 40-Gigabit Ethernet MIC?
    It has a power consumption of 53 watts.
  • What is the maximum operating altitude for the Ethernet module?
    It can operate up to an altitude of 10,000 feet (3048 m).
  • How does the power requirement of the device translate into amperage and voltage?
    The power requirement is 0.38 A @ 48 V, totaling 18 W.
  • What is the weight of the 40-Gigabit Ethernet MIC with QSFP+?
    It weighs 1.19 lb (0.54 kg).
  • What are the operating temperature and humidity ranges for this device?
    Operating temperature ranges from 32°F to 115°F, and humidity ranges from 5% to 90%.
  • How many rack units does the system occupy?
    The system occupies 5 rack units.
  • What are the system's capacity and per slot capacity?
    The system capacity is 1.92 Tbps, with a per slot capacity of 480 Gbps.

Product Review

The Juniper MIC3-3D-2X40GE-QSFPP module offers high-density, high-speed 40 Gbps connectivity through 2 QSFP+ ports, ideal for environments requiring efficient, high-bandwidth data transfer. However, its power consumption of 53 watts is relatively high, considering its compact size and the operational power requirement of 0.38 A at 48 V (18 W), potentially impacting its deployment in energy-sensitive installations. With support for jumbo frames up to 9192 bytes and operation within a wide range of temperatures and humidity levels, it provides flexibility for diverse networking environments, though the initial cost and power considerations may deter some users.


The Juniper MIC3-3D-2X40GE-QSFPP is a high-capacity module designed for delivering efficient and high-speed networking connections. This module is equipped with two 40 Gigabit Ethernet ports using QSFP+ form factor, making it an ideal solution for networks that demand high bandwidth and throughput. It supports a power consumption of 53 watts, ensuring efficient use of energy while maintaining optimal performance. The physical dimensions of the Juniper MIC3-3D-2X40GE-QSFPP are compact, with a height of 1.5 inches, a width of 5.8 inches, and a depth of 12.8 inches. It weighs 1.19 lb (0.54 kg), making it lightweight and easy to install in a variety of networking environments. The power requirement for this module is 0.38 A at 48 V, translating to an 18 W power consumption, which underscores its efficiency in power use. This module is capable of delivering high-performance throughput on each port, with speeds reaching up to 40 Gbps. This ensures that full-duplex traffic can be managed effectively, with a capability of up to 40-Gbps. Furthermore, it supports Maximum Transmission Units (MTUs) of up to 9192 bytes, allowing for the efficient handling of large packets, which is crucial for high-performance computing and networking applications.
  • Expansion Slots: 2 x QSFP+
  • Operating temperature range: 32°F to 115°F
  • Operating humidity range: 5% to 90%
The module operates reliably within a temperature range of 32°F to 115°F and can function in environments with humidity levels ranging from 5% to 90%. It is designed to operate at altitudes of up to 10,000 feet (3048 m), ensuring its adaptability to various operational environments without compromising performance. Designed for versatility, the MIC3-3D-2X40GE-QSFPP offers expansion through two QSFP+ slots, providing flexibility for network expansion or configuration changes. The module is engineered to fit into 5 rack units with the capability to house up to 9 systems per rack. It features 2 Modular Port Concentrators (MPCs) slots, with each slot supporting a capacity of 480 Gbps, culminating in a system capacity of 1.92 Tbps. This allows the module to support a maximum of 80 1GbE or 80 10GbE connections, catering to dense networking environments that require high-capacity and high-speed data transmission. In conclusion, the Juniper MIC3-3D-2X40GE-QSFPP is designed to meet the requirements of modern, high-demand networking environments. Its compact size, combined with its high throughput and flexibility, makes it an essential component for networks that require reliable, high-speed connections. With support for large MTUs and efficient power consumption, it stands out as a solution for enhancing network performance and reliability.


Item NumberJuniper MIC3-3D-2X40GE-QSFPP
ManufacturerJuniper Networks
Type40-Gigabit Ethernet Modular Interface Card with QSFP+
Ports2 x 40 Gigabit QSFP+
Energy Use53 watts
SizeHeight: 1.5 inches, Width: 5.8 inches, Depth: 12.8 inches
Mass0.54 kg (1.19 pounds)
Electricity Needs0.38 A at 48 V (18 W)
Data Rate40 Gbps per port, both directions simultaneously
BandwidthUp to 40 Gbps duplex
MTU SupportUp to 9192 bytes
Expansion Capability2 x QSFP+ slots
Temperature Range0°C to 46°C (32°F to 115°F)
Humidity Tolerance5% to 90% non-condensing
Max Operating Altitude3048 meters (10,000 feet)
Form Factor5 RU
Max Installations per Rack9 units
Available Slots2 for MPCs
Slot Capacity480 Gbps
Total System Throughput1.92 Terabits per second
Max 1GbE Density80 ports
Max 10GbE Density80 ports

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