Cisco Catalyst 3750-X Series Switch

Stackable 48 10/100/1000 Ethernet PoE+ ports
Four optional uplink network modules with GE or 10GE ports
Dual redundant, modular power supplies and fans
Media Access Control Security (MACsec) hardware-based encryption
Flexible NetFlow and switch-to-switch hardware encryption with the Service Module uplink
USB Type-A and Type-B ports for storage and console respectively and an out-of-band Ethernet management port
StackWise Plus
Cisco StackPowerTM technology: An innovative feature and industry first for sharing power among stack members
Cisco StackWise Plus technology for ease of use and resiliency with 64 Gbps of throughput
Investment protection with backward compatibility with all other models of Cisco Catalyst 3750 Series Switches
WS-C3750X-48P-S overview