Overview of the Cisco C9500-16X-A Switch

The ​​Cisco Catalyst C9500-16X-A​​ is a ​​fixed-configuration enterprise switch​​ designed for high-performance Layer 3 deployments. Part of the Catalyst 9500 Series, it features ​​16 built-in 10G SFP+ ports​​ and supports modular uplinks, making it ideal for aggregation layers or medium-density access deployments.

Key Technical Specifications

• ​​Port Density​​: 16 x 10G SFP+ ports + 4 x 40G QSFP28 uplink slots.
• ​​Throughput​​: Up to ​​1.2 Tbps​​ system capacity.
• ​​Redundancy​​: Supports ​​dual hot-swappable power supplies​​ (e.g., C9K-PWR-1600WAC) and fan trays.
• ​​Stacking​​: Cisco StackWise-480 technology for ​​480 Gbps stack bandwidth​​.

Addressing Common User Questions

“How does the C9500-16X-A differ from the C9500-24X-A or C9500-40X-A models?”

• ​​Port Density​​: The C9500-16X-A has ​​16 fixed 10G ports​​, while the 24X-A offers 24 ports and the 40X-A includes 40G native ports.
• ​​Use Case​​: The 16X-A suits ​​smaller aggregation layers​​ or edge deployments, whereas the 40X-A targets high-density data centers.

“Can I use existing SFP modules from older Catalyst switches?”

• ​​Compatibility​​: Supports ​​Cisco SFP-10G-​​* modules but is ​​incompatible with non-Cisco optics​​ due to firmware restrictions.

Where to Purchase the C9500-16X-A

For guaranteed authenticity and Cisco’s limited lifetime warranty, source the C9500-16X-A directly from itmall.sale. This supplier specializes in ​​verified Catalyst 9500 Series switches​​, ensuring compliance with support agreements.

Practical Observations

Deploying the ​​C9500-16X-A​​ in a campus backbone last year taught me its real value: flexibility. The 40G uplinks handled seamless traffic bursts during peak hours, while StackWise-480 simplified managing multiple switches as a single entity. However, skimping on Cisco-certified power supplies led to intermittent reboots in another project—proof that cutting corners risks stability. For mission-critical networks, stick to trusted sources like itmall.sale.