Cisco Catalyst 9300X-12Y-A Switch - High-Density 25G/100G Enterprise Switch
C9300X-12Y-ACisco Catalyst 9300X-12Y-A Switch - High-Density 25G/100G Enterprise Switch
C9300X-12Y-A Overview
The Cisco Catalyst 9300X-12Y-A is a compact yet powerful enterprise-class switch designed for high-performance network environments. Part of Cisco's next-generation Catalyst 9300X series, this model features 12x25G ports with 100G uplinks, making it ideal for bandwidth-intensive applications in campus networks, data centers, and service provider edge deployments. The switch comes with Cisco DNA Advantage license pre-installed, providing advanced network automation and security capabilities.
Key Features
12x 25G SFP28 ports with auto-sensing 10G/25G capability
4x 100G QSFP28 uplink ports for high-speed connectivity
StackWise-1T technology (1Tbps stacking bandwidth)
Cisco DNA Advantage included (advanced automation & analytics)
1.2Tbps switching capacity with 900Mpps forwarding rate
MACsec-256 encryption on all ports
Dual hot-swappable power supplies (1100W each)
Modular fan tray for optimized cooling
C9300X-12Y-A Specification
| Specification Category | Details |
|---|---|
| Model Number | C9300X-12Y-A |
| Port Configuration | 12x 25G SFP28 (10G/25G auto-sensing) + 4x 100G QSFP28 |
| Expansion Slots | 1x network module slot |
| Switching Capacity | 1.2 Tbps |
| Forwarding Rate | 900 Mpps |
| Stacking Technology | StackWise-1T (1Tbps bandwidth) |
| Memory | 8GB DRAM, 16GB Flash |
| Power Supplies | 2x 1100W AC (hot-swappable, 1+1 redundancy) |
| Cooling System | Modular fan tray (front-to-back airflow) |
| Dimensions (HxWxD) | 1.72 x 17.5 x 16.1 in (4.37 x 44.45 x 40.89 cm) |
| Weight | 22.5 lbs (10.2 kg) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Software Included | Cisco IOS-XE with DNA Advantage |
| Security Features | MACsec-256, TrustSec, Secure Boot, AES-256 |
| Warranty | Limited Lifetime Hardware Warranty |
Technical Highlights
Port Flexibility:
All 12 SFP28 ports support both 10G and 25G speeds
100G QSFP28 ports can be configured as 4x25G breakout
Auto-negotiation for seamless speed adaptation
High Availability Design:
Redundant power supplies (1+1 configuration)
Hot-swappable fans for continuous operation
Hitless patching with ISSU (In-Service Software Upgrade)
Advanced Networking Features:
Segment Routing support
EVPN/VXLAN capabilities
Advanced QoS and traffic engineering
Typical Applications
Campus network aggregation
Data center top-of-rack deployment
High-performance computing connectivity
5G mobile backhaul
4K/8K video production networks
Comparison with Similar Models
| Feature | 9300X-12Y-A | 9300X-24Y-E | 9300-48UXM |
|---|---|---|---|
| Ports | 12x25G + 4x100G | 24x25G + 8x100G | 48xMulti-Gig |
| PoE Support | No | No | Yes (UPoE) |
| DNA License | Advantage | Essentials | Essentials |
| Best For | Compact 25G deployments | High-density 25G | PoE++ deployments |
This switch represents Cisco's commitment to providing high-density 25G connectivity in a compact form factor, making it perfect for organizations transitioning to next-generation network architectures while requiring advanced automation capabilities through Cisco DNA.
C9300X-12Y-A Warranty
 | Low Price Guarantee |  | Quality Assurance |
 | Free CCIE Expert Technical Support |  | Commodity Refund Guarantee |
 | Diversified and Flexible Transportation Services |  | Standard Policy |
