Cisco WS-X4640-CSFP-E= | Catalyst 4500E Series 40-Ports SFP/80 C-SFP 1000Base-X Module

1. Port density: 40 ports
2. Compatibility: Cisco Catalyst 4500-E Series Switches
3. Interface: 1 Gigabit Ethernet (GE)
4. Form factor: Plug-in module
5. Expansion slots: 4
6. Supported protocols: Ethernet, Fast Ethernet, Gigabit Ethernet
7. Data transfer rate: 1 Gbps
8. Cabling type: Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T
9. Hot swap support: Yes
10. Jumbo frames support: Yes
11. VLAN support: Yes
12. Quality of Service (QoS) support: Yes

Helpful notes:
1. The WS-X4640-CSFP-E= line card supports Cisco IOS Software Release 12.2(50)SG or later.
2. The line card is designed for high-performance enterprise and service provider distribution, core layers, data-center, web-hosting, and Metro Ethernet applications.
3. The WS-X4640-CSFP-E= line card supports Cisco EnergyWise technology, which enables companies to measure and manage power consumption of network infrastructure and network-attached devices, thereby reducing energy costs.