SRX550-645AP-M is a Juniper SRX550 Services Gateway with 4G DRAM, 8G CF and 1 AC PSU. The SRX550 Services Gateway is an all-in-one solution that consolidates security, routing, switching, and WAN connectivity into a single 2 U device. It is a robust, highly flexible device for next-generation security, delivering enterprise-class networking for protecting today’s medium-to-large branch locations and supporting up to 5.5 Gbps firewall, 1 Gbps IPsec VPN, and 800 Mbps intrusion prevention system (IPS).
Quick Spec
Table 1 shows the quick spec.
|
SKU |
SRX550-645AP-M |
|
Description |
SRX550 Services Gateway with 4 GB DRAM and 8 GB CF, 2 RU height, 6 GPIM slots, 2 Mini-PIM slots, 6 10/100/1000BASE-T ports, 4GbE SFP ports, dual PS slots, fans; ships with one 645 watt AC power supply with 247 W PoE power (power cord and rack-mount kit included) |
|
Junos OS Software version tested |
Junos OS 12.1 |
|
Firewall performance (max) |
5.5 Gbps |
|
IPS performance |
800 Mbps |
|
AES256+SHA-1 / 3DES+SHA-1 VPN performance |
1.0 Gbps |
|
Maximum concurrent sessions |
375,000 |
|
New sessions/second (sustained, TCP, 3-way) |
27,000 |
|
Maximum security policies |
7256 |
|
Maximum security intelligence data feed entries in firewall rules database |
600,000 IP addresses and 50,000 URLs |
Product Details
Figure 1 shows the front panel of SRX550 chassis. Some modules must be ordered separately.

Note:
|
① |
Front panel LEDs |
⑧ |
USB 0 and USB 1 ports |
|
② |
Serial Console Port |
⑨ |
Power button |
|
③ |
USB Console Port |
⑩ |
RESET CONFIG Button |
|
④ |
2 Mini-PIM slots numbered 1 and 2 |
⑪ |
6 fixed Gigabit Ethernet ports |
|
⑤ |
6 GPIM slots numbered 3 through 8. |
⑫ |
4 SFP Ethernet ports |
|
⑥ |
Electrostatic discharge (ESD) outlet |
⑬ |
Mounting brackets |
|
⑦ |
AUX Port |
|
|
Figure 2 shows the rear panel of SRX550 chassis.

Note:
|
① |
Power supply slot |
⑤ |
Storage slot |
|
② |
ACE Slot |
⑥ |
Electrostatic discharge (ESD) outlet |
|
③ |
Grounding point |
⑦ |
Air filter cover |
|
④ |
Power supply slot |
|
|
Compare to Similar Items
Table 2 shows the comparison.
|
SKU |
SRX550-645AP-M |
|
|
Junos OS software version tested |
Junos OS 12.1 |
Junos OS 15.1X49 |
|
Firewall performance (max) |
5.5 Gbps |
5 Gbps |
|
IPS performance |
800 Mbps |
500 Mbps |
|
AES256+SHA-1 / 3DES+SHA-1 VPN performance |
1.0 Gbps |
800 Mbps |
|
Maximum concurrent sessions |
375,000 |
375,000 |
|
New sessions/second (sustained, TCP, 3-way) |
27,000 |
20,000 |
|
Maximum security policies |
7256 |
4000 |
|
Maximum security intelligence data feed entries in firewall rules database |
600,000 IP addresses and 50,000 URLs |
N/A |
Get More Information
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SRX550-645AP-M Specification
SRX550-645AP-M Specification |
|
|
Description |
SRX550 Services Gateway with 4 GB DRAM and 8 GB CF, 2 RU height, 6 GPIM slots, 2 Mini-PIM slots, 6 10/100/1000BASE-T ports, 4GbE SFP ports, dual PS slots, fans; ships with one 645 watt AC power supply with 247 W PoE power (power cord and rack-mount kit included) |
|
Junos OS software version tested |
Junos OS 12.1 |
|
Firewall performance (max) |
5.5 Gbps |
|
IPS performance |
800 Mbps |
|
AES256+SHA-1 / 3DES+SHA-1 VPN performance |
1.0 Gbps |
|
Maximum concurrent sessions |
375,000 |
|
New sessions/second (sustained, TCP, 3-way) |
27,000 |
|
Maximum security policies |
7256 |
|
Maximum security intelligence data feed entries in firewall rules database |
600,000 IP addresses and 50,000 URLs |
|
Fixed I/O |
6 x 10/100/1000 BASE-T + 4 SFP |
|
I/O slots |
2 x SRX Series Mini-PIM, 6 x GPIM or multiple GPIM and XPIM combinations |
|
Services and Routing Engine slots |
No |
|
Maximum number of PoE ports (PoE optional on some SRX Series models |
Up to 40 ports of 802.3af/at with maximum 247 W |
|
USB |
2 |
|
Routing (Packet Mode) PPS |
1000 Kpps |
|
Concurrent VPN tunnels |
2,000 |
|
Memory (DRAM) |
2 GB/4 GB |
|
Memory slots |
2 DIMM |
|
Flash memory |
2 GB/8 GB CF internal |
|
USB port for external storage |
Yes |
|
Dimensions (W x H x D) |
17.5 x 3.5 x 18.2 in (44.4 x 8.8 x 46.2 cm) |
|
Rack-mountable |
Yes, 2 RU |
|
Power supply (AC) |
100–240 VAC, single 645 W or dual 645 W |
|
Maximum PoE power |
247 W redundant, or 494 W nonredundant |
|
Average power consumption |
85 W |
|
Average heat dissipation |
238 BTU/hr |
|
Redundant power supply (hot swappable) |
Yes (up to maximum capacity of single PSU) |
|
Operational temperature |
32° to 104° F (0° to 40°C) |



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