Cisco Catalyst 6509-E Application Control Engine 20 Bundle-Switch Network Switch

Cisco Catalyst 6509-E Application Control Engine WS-C6509E-ACE20-K9

Looking for a switch you can rely on? The Cisco WS-C6509E-ACE20-K9 (Catalyst 6509-E Application Control Engine) is a strong choice for aggregation and core layers that carry traffic between access switches, servers and the network edge. It belongs to a family built for modular core and distribution switching.

Wired Ethernet gives consistent, low-latency connections that wireless alone cannot always guarantee. Standards-based Ethernet ensures interoperability with routers, firewalls, servers and endpoints from other vendors.

As a managed switch it gives administrators full control over how traffic is segmented, prioritized and secured. It runs on Cisco IOS, so it fits existing management tools and operating procedures. Reliable switching underpins every connected service, from email and file sharing to voice and video. Quality of Service settings prioritize latency-sensitive traffic such as voice and video conferencing. Monitoring support gives administrators early warning of errors, congestion and failing links. Keeping firmware up to date, where supported, helps maintain security and stability. Keeping a record of what is connected to each port speeds up maintenance.

The WS-C6509E-ACE20-K9 lets you grow the network in steps rather than replacing everything at once. Adequate airflow around the unit helps it run reliably for years. A UPS on the network rack keeps connections alive through short power outages. Core and distribution switches benefit from high-bandwidth uplinks and routing capability, which helps the network scale. It acts as a consolidation point between access switches, server farms and the network edge. Redundant topologies with alternate paths are well supported at this layer. Add the Cisco WS-C6509E-ACE20-K9 to your network for Cisco switching you can depend on.

Key Benefits

• Cisco IOS

1. Non-Returnable Items: Once an order is processed, products that do not fall under 3D memory categories are considered final sale. These items cannot be cancelled or returned, so we strongly recommend confirming specifications prior to purchase.

2. Restocking Policy: In specific cases, a restocking fee of up to 25% may be applied. This depends on the product category and condition. Our team will always advise you in advance where applicable.

3. Product Condition: Unless clearly stated as brand-new retail stock, all products are supplied in professionally refurbished condition. Each item is thoroughly tested to ensure reliable performance and quality assurance.

4. Fast Dispatch & Availability: We aim to dispatch most orders within 24 hours, subject to stock availability. If you require urgent or same-day shipping, please contact our customer support team at (207) 993-8331 directly for expedited handling.

5. Part Number Compatibility: Leading manufacturers such as Dell, HP, IBM, and Compaq may assign multiple identifiers to the same product, including Spare Part Numbers (Spare P/N) or FRU (Field Replaceable Unit) numbers. The item you receive may carry either designation, both of which are fully compatible and functionally equivalent.

6. Warranty Coverage: All products include a 30-day limited warranty, covering replacement in the event of DOA (Dead on Arrival) items with the same part number. Selected storage devices may qualify for an extended 90-day warranty—please confirm with our team before purchase. Additionally, manufacturer warranty options may intact for new product if any. 

7. Drivers & Installation Media: As most products are supplied in bulk packaging, installation media such as CDs, drivers, or manuals may not be included. If required, please check availability with our sales team prior to ordering.

8. Shipping Information: Standard shipping rates are automatically calculated for lightweight IT components such as memory and storage devices (under 5 lbs). For larger or heavier equipment—including servers, racks, and motherboards—shipping costs may vary. Our team will notify you if any adjustments are required. 

9. Product Images Disclaimer: All images displayed are for reference purposes only. The actual product received may differ slightly in appearance while maintaining the same specifications and performance.

10. Packaging Details: Some items may be delivered in bulk or non-retail packaging, especially for high-volume or consolidated orders. This ensures cost efficiency without compromising product quality.

11. End-of-Life (EOL) Products: For discontinued or end-of-life products, we may supply an equivalent replacement with matching specifications, functionality, and compatible FRU where necessary.

12. Refurbished Printers: Please note that refurbished printers may not include toner cartridges, or may be supplied with partially used consumables.

13. Need Assistance? If you have any questions regarding product specifications, compatibility, warranty, or shipping, our team is here to help. Contact us at support@itnetworkstrade.co.uk or call us at (207) 993-8331 directly before placing your order to ensure a smooth purchasing experience.