Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Professionally tested. Factory reset. Backed by 25 years of enterprise trust.
This refurbished Cisco C9500-48Y4C-A is a Catalyst 9500 Series high-performance fixed-core and aggregation switch delivering 48 ports of 1/10/25 Gigabit Ethernet (SFP28) and 4 ports of 40/100 Gigabit Ethernet uplink (QSFP28), bundled with the Cisco Network Advantage license. Every unit sold by WhaleyComm is professionally tested, reset to factory defaults, and inspected against Cisco hardware specifications before shipment.
Powered by Cisco's UADP 3.0 ASIC, the C9500-48Y4C-A delivers up to 3.2 Tbps of switching capacity and up to 1 Bpps of forwarding performance in a 1RU chassis. The platform runs Cisco IOS XE, supports Cisco StackWise Virtual for system-level redundancy, and includes advanced Layer 3 features such as MPLS, SD-Access segmentation, and rich telemetry. With 16 GB of DRAM and 16 GB of flash, the switch is architected for programmability, automation, and long-term enterprise scalability.
Purchasing refurbished from WhaleyComm delivers the same Cisco performance at a meaningful reduction versus new list price. Backed by our Lifetime Warranty and ISO 9001-certified testing process, this unit is a proven, risk-managed path to high-density 25G infrastructure for campus core, distribution, and data center aggregation roles.
Technical Specifications
Series
Cisco Catalyst 9500
Downlink Ports
48 x 1/10/25 Gigabit Ethernet (SFP28)
Uplink Ports
4 x 40/100 Gigabit Ethernet (QSFP28)
Switching Capacity
Up to 3.2 Tbps
Forwarding Rate
Up to 1 Bpps
Dimensions (H x W x D)
1.73 x 17.5 x 18.0 in (4.4 x 44.5 x 45.7 cm)
Weight
9.55 kg (21.06 lbs)
Typical Power Consumption
230 W
Power Supply
Platinum-rated, field-replaceable, dual 1+1 redundant (AC or DC)
Operating System
Cisco IOS XE
Minimum IOS XE Software
Release 16.8.1a
License Included
Network Advantage
MAC Address Table
Up to 82,000 entries
Total IPv4 Routes
Up to 212,000 indirect + direct; up to 90,000 host/ARP
Total IPv6 Routes
Up to 212,000 indirect + direct; up to 90,000 host
Ideal Use Cases
Campus Core Switching
The C9500-48Y4C-A is purpose-built as a fixed core and aggregation platform for enterprise campuses, delivering non-blocking 25G density and 100G uplinks to handle high-volume east-west and north-south traffic.
Distribution Layer Aggregation
With 48 SFP28 ports capable of 1/10/25G, this switch efficiently aggregates traffic from multiple access-layer switches, making it ideal for high-density campus distribution deployments transitioning beyond 10G.
Data Center Top-of-Rack or Aggregation
The combination of 3.2 Tbps switching capacity, 100G QSFP28 uplinks, and rich Layer 3 routing features makes the C9500-48Y4C-A well-suited for small-to-mid data center aggregation or server-facing aggregation tiers.
SD-Access Fabric Border or Control Node
Running Cisco IOS XE with Network Advantage, this switch supports Cisco SD-Access segmentation and policy enforcement, qualifying it as a fabric border or control node within a Cisco DNA-based architecture.
Enterprise Network Modernization
Organizations upgrading from legacy 1G or 10G core infrastructure can deploy the C9500-48Y4C-A as a scalable step to 25G and 100G without a full greenfield rebuild, leveraging StackWise Virtual for system-level redundancy.
High-Availability Core with Redundant Power
The platform supports dual 1+1 platinum-rated, field-replaceable power supplies and redundant fans, making it appropriate for mission-critical network layers where uptime and serviceability are non-negotiable.
What's Included
1x Cisco C9500-48Y4C-A Refurbished Switch
Power Cable
Rack Mount Kit
Certificate of Testing
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. We have stood behind our hardware for 25 years and 5,000+ customers — that is not a marketing line, it is our operating standard.
🔌
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
COMPATIBLE OPTICS & CABLES
✓
It supports SFP, SFP+, and SFP28 transceivers on the 48 downlink ports (1G, 10G, and 25G respectively) and QSFP+ or QSFP28 transceivers on the 4 uplink ports (40G and 100G).
SOFTWARE COMPATIBILITY
✓
The Cisco C9500-48Y4C-A is compatible with Cisco IOS XE Software Release 16.8.1a and later.
MANAGEMENT & AUTOMATION
✓
It is compatible with Cisco Catalyst Center (formerly DNA Center) for centralized management and automation.
ADDITIONAL COMPATIBILITY
✓
The switch supports Cisco StackWise Virtual when paired with a second C9500-48Y4C unit.
For compatibility verification specific to your environment, contact our engineering team: +1 214 607-4800 or sales@whaleycomm.com