Cisco WS-X4640-CSFP-E Cisco Catalyst line card / supervisor / service module
Brand: Cisco | Category: Accessories & Components
SKU: CSC-WS-X4640-CSFP-E | Part #: WS-X4640-CSFP-E | MPN: WS-X4640-CSFP-E
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About the Cisco WS-X4640-CSFP-E Cisco Catalyst line card / supervisor / service module
The Cisco WS-X4640-CSFP-E Cisco Catalyst line card / supervisor / service module from Cisco is enterprise-grade Accessories & Components hardware built for data centers. It features CSFP interface. The Cisco WS-X4640-CSFP-E is a 40-port Compact SFP (CSFP) line card designed for the Cisco Catalyst 4500 and 4500-X Series chassis platforms. Each port supports dual-mode CSFP transceivers, enabling two independent 100BASE-FX or 100BASE-LX Ethernet channels per physical slot, effectively delivering up to 40 independently addressable Fast Ethernet interfaces from a single line card. This architecture maximizes port density in space-constrained data center and campus aggregatio Available in brand new condition. Cisco accessories & components products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Cisco |
| Category | Accessories & Components |
| SKU | CSC-WS-X4640-CSFP-E |
| Part Number | WS-X4640-CSFP-E |
| Condition | New |
| Interface | CSFP |
| Manufacturer Part Number | WS-X4640-CSFP-E |
| Product Family | Cisco Catalyst 4500 Series Line Cards |
| Module Type | 40-Port Compact SFP (CSFP) Line Card |
| Form Factor | Catalyst 4500 Series chassis line card slot |
| Compatible Chassis | Cisco Catalyst 4500 Series (with E-series Supervisor Engine) |
| Compatible Supervisor Engines | Supervisor Engine 6-E, 7-E, 7L-E |
| Number of Ports | 40 |
| Port Interface Type | Compact SFP (CSFP) — dual-channel per transceiver |
| Supported Media | 100BASE-FX, 100BASE-LX (fiber) via CSFP transceivers |
| Switching Mode | Line-rate hardware switching via Catalyst 4500 fabric |
| Supported Protocols | IEEE 802.1Q, IEEE 802.1D, Rapid PVST+, MST (802.1s), IEEE 802.3 |
| QoS Support | Hardware-based QoS via Catalyst 4500 supervisor integration |
| Software Compatibility | Cisco IOS and IOS-XE (E-series feature set) |
| Module Designation | Enhanced (-E) series — required for E-series supervisor compatibility |
| Product Line | Cisco Catalyst Switching |
Frequently Asked Questions about Cisco WS-X4640-CSFP-E Cisco Catalyst line card / supervisor / service module
What does the Cisco WS-X4640-CSFP-E Cisco Catalyst line card / supervisor / service module do?
The Cisco WS-X4640-CSFP-E Cisco Catalyst line card / supervisor / service module is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.