Juniper Networks - SSG-5-SH-BT Firewall with 256 MB memory 跟火牛

Maximum Performance and Capacity
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Firewall performance (Large packets): 160 Mbps
Firewall performance (IMIX)(3): 90 Mbps
Firewall packets per second (64 byte): 30,000 PPS
Advanced Encryption Standard (AES) 256+SHA-1 VPN performance: 40 Mbps
3DES encryption +SHA-1 VPN performance: 40 Mbps
Maximum concurrent sessions: 8,000/16,000
New sessions/second: 2,800
Maximum security policies: 200
Maximum users supported: Unrestricted

Network Connectivity
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Fixed I/O: 7x10/100Mbps
Mini-Physical Interface Module (Mini-PIM) slots: 0
WAN interface options: Factory confgured: RS232 Serial AUX or ISDN BRI S/T or V.92

Firewall
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Network attack detection: Yes
DoS and DDoS protection: Yes
TCP reassembly for fragmented packet protection: Yes
Brute force attack mitigation: Yes
SYN cookie protection: Yes
Zone-based IP spoofng: Yes
Malformed packet protection: Yes

Details: https://www.juniper.net/us/en/local/pdf/datasheets/1000176-en.pdf