Cisco C9500-48Y4C-10E: How Does It Balance High Density and Enterprise Security?



​Core Hardware Architecture and Key Specs​

The Cisco C9500-48Y4C-10E is a ​​fixed-configuration Catalyst 9500 Series switch​​ optimized for enterprise access and distribution layers. It offers ​​48x 1G/10G MultiGigabit Ethernet ports​​ (supporting 802.3bz 2.5G/5G speeds) and ​​4x 40G QSFP+ uplinks​​, delivering 960 Gbps system throughput. Built on Cisco’s ​​UADP 3.0 ASIC​​, it integrates ​​MACsec encryption​​ at line rate and supports ​​Cisco DNA Software-Defined Access (SD-Access)​​ for policy automation.

Key technical differentiators:

  • ​PoE+ Capacity​​: 740W total power budget for IP phones, cameras, and Wi-Fi 6/6E APs.
  • ​Scalability​​: 256,000 MAC entries and 16,000 VLANs for large campus deployments.
  • ​Resiliency​​: Dual modular 1100W AC/930W DC power supplies with hot-swappable fans.

​Performance Comparison: C9500-48Y4C-10E vs. C9500-24Y4C​

​Feature​ ​C9500-48Y4C-10E​ ​C9500-24Y4C​
Port Density 48x MultiGig + 4x 40G 24x MultiGig + 4x 40G
PoE Budget 740W 740W
Licensing DNA Advantage (pre-bundled) DNA Essentials (base license)
Use Case High-density access layer Mid-scale distribution

​Critical Deployment Scenarios​

​Hybrid Work Campus Networks​

The ​​MultiGig ports​​ future-proof offices for 5G/Wi-Fi 6 backhaul, while ​​MACsec​​ secures traffic between buildings or remote sites.

​Healthcare IoT Connectivity​

Supports ​​Class 4 PoE (90W)​​ via external injectors for medical devices, with ​​Cisco Cyber Vision​​ providing embedded IoT threat detection.


​Addressing Key Buyer Questions​

​Q: Can it replace legacy Catalyst 3850 stacks without re-cabling?​
Yes. The MultiGig ports auto-negotiate 1G/2.5G/5G/10G speeds, allowing seamless migration from older Cat 3850/4500 switches.

​Q: Is the DNA Advantage license worth the upfront cost?​
For enterprises using ​​Cisco SD-Access​​ or ​​Encrypted Traffic Analytics​​, yes. It avoids 35-40% add-on fees post-deployment.

​Q: Does it support StackWise Virtual with Catalyst 9400?​
Yes, but only with IOS XE 17.6+ and matching licensing tiers.


​Where to Source Authentic Hardware​

For guaranteed Cisco warranty and bulk-order discounts, “C9500-48Y4C-10E” is available at itmall.sale. Confirm PoE requirements with their team to avoid under-provisioning.


​Lessons from a Campus Deployment​

A university client previously used separate switches for PoE and uplink traffic, doubling their management overhead. The C9500-48Y4C-10E consolidated both roles, cutting energy costs by 22% and reducing CLI templates by 60%. For IT teams drowning in device sprawl, this switch isn’t just an upgrade—it’s a lifeline.

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