Juniper SRX Firewalls
The Juniper SRX Series are firewalls. The 1U SRX345 gives 5,000 Mbps of stateful firewall throughput at 1,518 B, the 1U SRX1500 9.0 Gbps at 1,518 byte packets, and the 1U SRX4600 400 Gbps. The 5U SRX3600 and 8U SRX5600 are chassis that take interface and services cards.
Sources: SRX300 Line of Firewalls for the Branch Datasheet, SRX1500 Firewall Datasheet, SRX4600 Services Gateway Datasheet, SRX3600 Services Gateway Hardware Guide, SRX5600 Firewall Hardware Guide
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Juniper SRX Series facts from the maker
- SRX345
- 1U; 16 x 1GbE (8 RJ-45, 8 SFP); 4 Mini-PIM slots; 5,000 Mbps stateful firewall (1,518 B) Source: SRX300 Line of Firewalls for the Branch Datasheet
- SRX1500
- 1U; 9.0 Gbps firewall throughput (1,518 byte packets); 16 GB memory Sources: SRX1500 Firewall Datasheet, SRX1500 Hardware Specifications
- SRX4600
- 1U; 400 Gbps firewall throughput; 8 x 1/10GbE SFP+ + 4 x 40/100GbE QSFP28 Sources: SRX4600 Services Gateway Datasheet, SRX4600 Firewall Hardware Guide
- SRX3600
- 5U; up to 30 Gbps full duplex; 12 CFM slots Source: SRX3600 Services Gateway Hardware Guide
- SRX5600
- 8U; eight slots for two Switch Control Boards and six SPC or interface cards Source: SRX5600 Firewall Hardware Guide
Updated
The Juniper guide
Juniper SRX Firewalls in the catalog

SRX1500-SYS-JB-AC Juniper Firewall, AC Power, 12x 1GbE RJ45, 4x 1GbE SFP and 4x 10GbE SFP+
Refurbished, tested & guaranteed
In stock

SRX1500-AC Juniper Firewall, Front-to-Back, 12x 1GbE RJ45, 4x 1GbE SFP and 4x 10GbE SFP+
Refurbished, tested & guaranteed
In stock


SRX1500-SYS-JE-AC Juniper Firewall, AC Power, Used, 12x 1GbE RJ45, 4x 1GbE SFP and 4x 10GbE SFP+
In stock

SRX4600-AC Juniper Firewall, Front-to-Back, Refurbished, 8x 1/10GbE SFP+ and 4x 40/100GbE QSFP28
In stock

SRX4600-SYS-JB-AC Juniper Firewall, Front-to-Back, Used, 8x 1/10GbE SFP+ and 4x 100GbE QSFP28
In stock
Juniper SRX Series part numbers
| Part number | Ports | Airflow | Power | Condition | End of sale | Price | Stock |
|---|---|---|---|---|---|---|---|
| SRX1500-SYS-JB-AC | 16 × 1GbE | Refurbished, tested & guaranteed | $1,280 | In stock | |||
| SRX1500-AC | 16 × 1GbE | Front-to-back | 2, redundancy 1+1, hot-removable and hot-insertable | Refurbished, tested & guaranteed | $565 | In stock | |
| SRX-IOC-16GE-TX | 16 × 1GbE | Refurbished, tested & guaranteed | $695 | In stock | |||
| SRX1500-SYS-JE-AC | 16 × 1GbE | Used, tested & guaranteed | $1,995 | In stock | |||
| SRX4600-AC | 8 × 1/10GbE | Front to back | 2x 1600 W AC-DC PSU redundant (1+1) | Refurbished, tested & guaranteed | Request a quote | In stock | |
| SRX4600-SYS-JB-AC | 8 × 1/10GbE | Front to back | 2x 1600 W AC-DC PSU redundant (1+1) | Used, tested & guaranteed | Request a quote | In stock |
End of sale and support
| Model | Announced | End of sale | End of support | Notice |
|---|---|---|---|---|
| Juniper SRX1500 and JPSU-400W-AC | Juniper notice |
Juniper end-of-life notice TSB101240. End of engineering is 2029-04-15.
Questions about the Juniper SRX Series family
- What is the firewall throughput of the SRX4600?
- 400 Gbps, with IMIX and with 1518 byte packets.Source: SRX4600 Services Gateway Datasheet
- What is the firewall throughput of the SRX1500?
- 9.0 Gbps with 1,518 byte packets.Source: SRX1500 Firewall Datasheet
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