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by Juniper
Product Line: Juniper SRX3K-SFB-12GE
Product Type: Firewall
Original price $0.00 - Original price $280.00
Original price
$0.00 - $280.00
Current price $280.00
Title: Used

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Product Description

The SRX3K-SFB-12GE Juniper features a fixed I/O configuration with 8 10/100/1000 copper ports and 4 GE SFP ports, supporting a diverse range of LAN interfaces including 16 x 1 10/100/1000 copper, 16 x 1-Gigabit Ethernet SFP, and 2 x 10-Gigabit Ethernet XFP. It accommodates up to four front slots for IOCs and SPCs, ensuring flexible expansion capabilities within its 17.5 x 5.25 x 25.5 in dimensions and supporting a maximum power draw of 1,100 W (AC power) and 1,050 W (DC power). The device is designed to handle 2.25 million concurrent sessions, with a capacity for 175,000 new sessions/second, and supports up to 40,000 security policies, operating efficiently within a temperature range of 32°F to 104°F and 5% to 90% noncondensing humidity.

Key Feature for the SRX3K-SFB-12GE

  • What are the interface options available for SRX 3000?
    The SRX 3000 offers 16 x 1 10/100/1000 copper, 16 x 1-Gigabit Ethernet SFP, and 2 x 10-Gigabit Ethernet XFP interfaces.
  • How many maximum available slots for IOCs does the device have?
    Four (front slots).
  • What are the dimensions and weight of the SRX 3000 chassis?
    The dimensions are 17.5 x 5.25 x 25.5 in (44.5 x 13.3 x 64.8 cm), with the chassis weighing 32.3 lb (14.7 kg) and fully configured weight at 75 lb (34.1 kg).
  • What power options are available for the SRX 3000?
    The SRX 3000 supports an AC power supply of 100 to 240 VAC and a DC power supply of -40 to -72 VDC.
  • What is the maximum power draw for the SRX 3000?
    1,100 W for AC power and 1,050 W for DC power.
  • Does the SRX 3000 offer power supply redundancy?
    Yes, it offers 1 + 1 power supply redundancy.
  • What is the data transfer rate for the 8 x RJ-45 10/100/1000Base-T LAN ports?
    100 Mbps Fast Ethernet.
  • How many maximum concurrent sessions can the SRX 3000 handle?
    2.25 million.
  • What is the maximum number of new sessions per second the device can sustain?
    175,000 (sustained, TCP, three-way).
  • What are the operational temperature limits of the SRX 3000?
    The minimum operational temperature is 32°F and the maximum is 104°F, with a noncondensing humidity range of 5% to 90%.

Product Review

The Juniper SRX3K-SFB-12GE offers a comprehensive set of connectivity options, including 8 10/100/1000Base-T LAN ports and 4 GE SFP slots, catering well to diverse network requirements. However, its power consumption is relatively high, with a maximum draw of 1,100 W for AC power, which could impact operational costs in energy-sensitive environments. Additionally, the device supports up to 2.25 million concurrent sessions and 175,000 new sessions per second, indicating strong performance in high-demand scenarios, but the weight and size of the fully configured unit may pose challenges for space-constrained installations.


The Juniper SRX3K-SFB-12GE is designed for high-performance security, routing, and network solutions, suitable for large enterprise and data center environments. This device integrates multiple network functionalities into a single platform, offering a comprehensive solution for network infrastructure. At the core of its design, the SRX3K-SFB-12GE features a wide array of interface options. It comes equipped with 8 10/100/1000Base-T copper LAN ports and 4 Gigabit Ethernet SFP ports, providing flexibility for various network configurations. The device supports a total of 16 1-Gigabit Ethernet connections, split between copper and SFP slots, and additionally offers 2 10-Gigabit Ethernet XFP interfaces for high-speed networking requirements. The hardware specifications highlight the device's capacity to handle substantial network traffic efficiently. It has a data transfer rate of 100 Mbps Fast Ethernet. For management and additional connectivity, the SRX3K-SFB-12GE includes 2 USB ports and 4 RJ-45 management ports.
  • Maximum concurrent sessions reach up to 2.25 million, ensuring the device can handle heavy traffic loads.
  • New sessions per second are rated at 175,000, indicative of the device's ability to quickly establish connections.
  • It supports up to 40,000 security policies, allowing for detailed and comprehensive network security management.
The device's architecture allows for significant expansion and customization. It has four slots available for Input/Output Control Cards (IOCs) on the front, enhancing its versatility. Additionally, up to four Services Processing Cards (SPCs) can be supported per chassis, further extending its capabilities. Physically, the chassis measures 17.5 inches in width, 5.25 inches in height, and 25.5 inches in depth, with a weight of 32.3 lb when empty and up to 75 lb when fully configured. This size and weight make it a substantial piece of equipment, indicating its robust construction and capability to house multiple modules. Power efficiency is a critical aspect of the SRX3K-SFB-12GE's design. It operates on a power supply ranging from 100 to 240 VAC and -40 to -72 VDC, with a maximum power draw of 1,100 W for AC power and 1,050 W for DC power. Redundancy is built into the power supply system, adhering to a 1 + 1 configuration to ensure continuous operation. The operational temperature range of the device is from 32°F to 104° F, with a noncondensing humidity tolerance of 5% to 90%. This wide range ensures reliability across various environmental conditions, making it suitable for deployment in diverse settings. In summary, the Juniper SRX3K-SFB-12GE is a powerful networking device catered to environments requiring high throughput, extensive connectivity options, and robust security features. Its design emphasizes flexibility, performance, and reliability, making it an ideal choice for enterprises looking to strengthen their network infrastructure.


Part NumberJuniper SRX3K-SFB-12GE
Base Configuration8x Gigabit Ethernet RJ45, 4x Gigabit Ethernet SFP
Port Options16x Gigabit Ethernet RJ45, 16x 1G SFP, 2x 10G XFP
IOC Slot Availability4 front-facing slots
Size (W x H x D)17.5 x 5.25 x 25.5 inches (44.5 x 13.3 x 64.8 cm)
WeightBase: 32.3 lbs (14.7 kg), With full configuration: 75 lbs (34.1 kg)
AC Power Input100V to 240V AC
DC Power Input-40V to -72V DC
Peak Power ConsumptionAC: 1,100 Watts, DC: 1,050 Watts
Redundant PowerYes, 1+1 redundancy
Data RateFast Ethernet, 100 Mbps
LAN Ports8x RJ-45 Gigabit Ethernet
Additional Interfaces2x USB, 4x RJ-45 management ports
Concurrent Sessions2.25 million
New Sessions per Second175,000 (sustained, TCP)
Security Policies Max40,000
SPC Slot CapacityMaximum of four SPCs per chassis
Minimum Operating Temperature32°F (0°C)
Maximum Operating Temperature104°F (40°C)
Humidity Range5% to 90%, non-condensing

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