Cisco 4451-X

Network interface modules (NIM)
3
Maximum switched Ethernet LAN ports with PoE
48
EtherSwitch Service Module type (width)
2 single or 1 double
PoE support (wattage) without PoE boost
500 W (with optional power supply redundancy)
Intrusion prevention
Yes
Cisco Cloud Web Security
Yes
Form factor
2 RU
SSL VPN
No
Module online insertion and removal (OIR)
Yes
Power supply type
Internal; AC, PoE or DC
Maximum switched Ethernet ports
48
Hardware VPN acceleration (DES, 3DES, AES)
No
Redundant power supply
Yes - Internal RPS
Management port
1 GE (Integated Out of Band)
PoE support (wattage) with PoE boost
950 W (no power supply redundancy)
Integrated Services Card (ISC) slots
1 (PVDM 4)
Server virtualization platform (UCS E-Series)
2-core single-wide, 4-core single-wide, 4-core double-wide, 6-core double-wide, 8-core double-wide
Enhanced Services Module (SM-X)
2 single or 1 double-wide
Identity-based networking
No
Zone-based fiewall and NAT services
VRF-Aware Firewall and Network Address Translation (NAT)
USB Ports (type A)
2
Integrated WAN ports
2 PoE GE / SFP; 2 GE / SFP
Default/max DRAM
4 GB / 16 GB
Default/max Flash
8 GB / 32 GB
Performance
1 Gbps upgradeable to 2 Gbps