Thirteen-slot chassis and fan tray
Optional redundant AC or DC, auto-sensing, load-sharing power supplies, each with its own power cord
C8545MSR-MRP and C8546MSR-MSP modules running Integrated ATM and L3 Cisco IOS software
40 Gbps shared memory, nonblocking fabric
16 MB of Flash memory standard, plus up to 20 MB through PC Flash cards
256 MB DRAM system memory
Ethernet port for out-of-band management
Dual EIA/TIA-232 serial ports (console, auxiliary port)