| Model: | SRX300 | SRX320 | SRX340 | SRX345 | SRX380 |
|---|---|---|---|---|---|
| Connectivity | |||||
| Total onboard ports | 8x1GbE | 8x1GbE | 16x1GbE | 16x1GbE | 20 (16x1GbE, 4x10GbE) |
| Onboard RJ-45 ports | 6x1GbE | 6x1GbE | 8x1GbE | 8x1GbE | 16x1GbE |
| Onboard small form-factor pluggable (SFP) transceiver ports | 2x1GbE | 2x1GbE | 8x1GbE | 8x1GbE | 4x10GbE SFP+ |
| MACsec-capable ports | 2x1GbE | 2x1GbE | 16x1GbE | 16x1GbE | 16x1GbE 4x10GbE |
| Out-of-Band (OOB) management ports | 0 | 0 | 1x1GbE | 1x1GbE | 1x1GbE |
| Mini PIM (WAN) slots | 0 | 2 | 4 | 4 | 4 |
| Console (RJ-45 + miniUSB) | 1 | 1 | 1 | 1 | 1 |
| USB 3.0 ports (type A) | 1 | 1 | 1 | 1 | 1 |
| Optional PoE+ ports | N/A | 61 | 0 | 0 | 16 |
| Memory and Storage | |||||
| System memory (RAM) | 4 GB | 4 GB | 4 GB | 4 GB | 4GB |
| Storage (flash) | 8 GB | 8 GB | 8 GB | 8 GB | 100GB SSD |
| SSD slots | 0 | 0 | 1 | 1 | 1 |
| Dimensions and Power | SRX300 | SRX320 | SRX340 | SRX345 | SRX380 |
| Form factor | Desktop | Desktop | 1U | 1U | 1U |
| Size (WxHxD) | 12.63 x 1.37 x 7.52 in. (32.08 x 3.47 x 19.10 cm) | 11.81 x 1.73 x 7.52 in. (29.99 x 4.39 x 19.10 cm) | 17.36 x 1.72 x 14.57 in. (44.09 x 4.36 x 37.01 cm) | 17.36 x 1.72 x 14.57 in. (44.09 x 4.36 x 37.01 cm) / 17.36 x 1.72 x 18.7 in. (44.09 x 4.36 x 47.5 cm)2 | 17.36 x 1.72 x 18.7 in. (44.09 x 4.37 x 47.5 cm) / 17.36 x 1.72 x 20.47 in. (44.09 x 4.37 x 52 cm) |
| Weight (device and PSU) | 4.38 lb (1.98 kg) | 3.28 lb (1.51 kg)3 / 3.4 lb (1.55 kb)4 | 10.80 lb (4.90 kg) | 10.80 lb (4.90 kg) / 11.02 lb (5 kg)5 | 15 lb (6.8 kg) with 1xPSU / 16.76 lb (7.6 kg) with 2xPSU |
| Redundant PSU | No | No | No | Yes | Yes |
| Power supply | AC (external) | AC (external) | AC (external) | AC (internal) / DC (internal)5 | 1+1 hot-swappable AC PSU |
| DC Input | N/A | N/A | N/A | -40.8 VDC to -72 VDC5 | N/A |
| Maximum PoE power | N/A | 180 W4 | N/A | N/A | 480W |
| Average power consumption | 15.4 W | 27 W3 / 112 W4 | 122 W | 122 W | 150 W (without PoE) 510 W (with PoE) |
| Average heat dissipation | 85 BTU/h | 157 BTU/h3 / 755 BTU/h4 | 420 BTU/h | 420 BTU/h | 511.5 BTU/hr (without PoE) |
| Maximum current consumption | 0.346 A | 0.634 A3 / 2.755 A4 | 1.496 A | 1.496 A / 6A @ -48 VDC5 | 1.79A/7.32A |
| Acoustic noise level | 0dB (fanless) | 37 dBA3 / 40 dBA4 | 45.5 dBA | 45.5 dBA | < 50dBA @ room temperature 27C |
| Airflow/cooling | Fanless | Front to back | Front to back | Front to back | Front to back |
| Environmental, Compliance, and Safety Certification | SRX300 | SRX320 | SRX340 | SRX345 | SRX380 |
| Operating temperature | 32° to 104° F (0° to 40° C) | 32° to 104° F (0° to 40° C) -22° to 131° F (-30° to 55° C) for SRX345-DC | 32° to 104° F (0° to 40° C) with MPIMs 32° to 122° F (0° to 50° C) without MPIMs | ||
| Nonoperating temperature | 4° to 158° F (-20° to 70° C) | -4° to 158° F (-20° to 70° C) -22° to 158° F (-30° to 70° C) for SRX345-DC | -4° to 158° F (-20° to 70° C) | ||
| Operating humidity | 10% to 90% noncondensing | ||||
| Nonoperating humidity | 5% to 95% noncondensing | ||||
| Meantime between failures (MTBF) | 44.5 years | 32.5 years3 / 26 years4 | 27 years | 27.4 years | 28.1 years |
| FCC classification | Class A | Class A | Class A | Class A | Class A |
| RoHS compliance | RoHS 2 | RoHS 2 | RoHS 2 | RoHS 2 | RoHS 2 |
| FIPS 140-2 | Level 2 (Junos 15.1X49-D60) | Level 1 (Junos 15.1X49-D60) | Level 2 (Junos 15.1X49-D60) | Level 2 (Junos 15.1X49-D60) | N/A |
| Common Criteria certification | NDPP, VPNEP, FWEP, IPSEP (based on Junos 15.1X49-D60) | N/A | |||
| Performance and Scale | SRX300 | SRX320 | SRX340 | SRX345 | SRX380 |
| Routing with packet mode (64 B packet size) in Kpps7 | 300 | 300 | 550 | 750 | 1,700 |
| Routing with packet mode (IMIX packet size) in Mbps7 | 800 | 800 | 1,600 | 2,300 | 5,000 |
| Routing with packet mode (1,518 B packet size in Mbps7 | 1,500 | 1,500 | 3,000 | 5,500 | 10,000 |
| Stateful firewall (64 B packet size) in Kpps7 | 200 | 200 | 350 | 550 | 1,700 |
| Stateful firewall (IMIX packet size) in Mbps7 | 500 | 500 | 1,100 | 1,700 | 4,000 |
| Stateful firewall (1,518 B packet size) in Mbps7 | 1,000 | 1,000 | 3,000 | 5,000 | 10,000 |
| IPsec VPN (IMIX packet size) in Mbps7 | 100 | 100 | 200 | 300 | 1,000 |
| IPsec VPN (1,400 B packet size) in Mbps7 | 300 | 300 | 600 | 800 | 3,500 |
| Application visibility and control in Mbps8 | 500 | 500 | 1,000 | 1,700 | 6,000 |
| Recommended IPS in Mbps8 | 200 | 200 | 400 | 600 | 2,000 |
| Next-generation firewall in Mbps8 | 100 | 100 | 200 | 300 | 1,000 |
| Route table size (RIB/FIB) (IPv4 or IPv6) | 256,000/256,000 | 256,000/256,000 | 1 million/600,0009 | 1 million/600,0009 | 1 million/600,0009 |
| Maximum concurrent sessions (IPv4 or IPv6) | 64,000 | 64,000 | 256,000 | 375,000 | 380,000 |
| Maximum security policies | 1,000 | 1,000 | 2,000 | 4,000 | 4,000 |
| Connections per second | 5,000 | 5,000 | 10,000 | 15,000 | 50,000 |
| NAT rules | 1,000 | 1,000 | 2,000 | 2,000 | 3,000 |
| MAC table size | 15,000 | 15,000 | 15,000 | 15,000 | 16,000 |
| IPsec VPN tunnels | 256 | 256 | 1,024 | 2,048 | 2,048 |
| Number of remote access uses | 25 | 50 | 150 | 250 | 500 |
| GRE tunnels | 256 | 256 | 512 | 1,024 | 2,048 |
| Maximum number of security zones | 16 | 16 | 64 | 64 | 128 |
| Maximum number of virtual routers | 32 | 32 | 64 | 128 | 128 |
| Maximum number of VLANs | 1,000 | 1,000 | 2,000 | 3,000 | 3,000 |
| AppID sessions | 16,000 | 16,000 | 64,000 | 64,000 | 64,000 |
| IPS sessions | 16,000 | 16,000 | 64,000 | 64,000 | 64,000 |
| URLF sessions | 16,000 | 16,000 | 64,000 | 64,000 | 64,000 |
| WAN Interface | SRX300 | SRX320 | SRX340 | SRX345 | SRX380 |
| 1 port T1/E1 MPIM (SRX-MP-1T1E1-R) | No | Yes | Yes | Yes | Yes |
| 1 port VDSL2 Annex A/M MPIM (SRX-MP-1VDSL2-R) | No | Yes | Yes | Yes | Yes |
| 1 port serial MPIM (SRX-MP-1SERIAL-R) | No | Yes | Yes | Yes | Yes |
| 4G / LTE MPIM (SRX-MP-LTE-AA & SRX-MP-LTE-AE) | No | Yes | Yes | Yes | Yes |







