CISCO C9300X-12Y-A Catalyst 9300 Series Switches
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C9300X-12Y-A Overview
C9300X-12Y-A is a CISCO enterprise network switch listed by YYST Global for campus switching, data center expansion, spare replacement and network refresh projects. This page is intended for buyers comparing replacement parts, project supply, spare inventory and quote options.
YYST Global helps enterprise customers confirm model information, product category, condition, availability and sourcing route before purchase. For time-sensitive projects, send the model number and required quantity so our sales team can check stock, lead time and compatible alternatives.
Product name: Cisco Catalyst 9300X-12Y-A Switch - High-Density 25G/100G Enterprise Switch. Category: Cisco Catalyst 9300 Series Switches. Condition: New Factory Sealed.
C9300X-12Y-A Specification
| Datasheet series | Cisco Catalyst 9300 Series |
| Exact model | C9300X-12Y-A |
| Downlink ports | 12 x 1G RJ-45 Ethernet downlink ports |
| Uplink configuration | 12 x 25G SFP28 fixed uplinks |
| PoE profile | Data-only model; no PoE budget required |
| Software license | Network Advantage |
| Stacking family | StackWise-480 family, verify exact stacking kit compatibility |
| Official datasheet | Cisco Catalyst 9300 Series official datasheet |
| 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 |
C9300X-12Y-A FAQ
What is C9300X-12Y-A?
Cisco Catalyst 9300X-12Y-A Switch - High-Density 25G/100G Enterprise Switch is a CISCO Catalyst 9300 Series Switches product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
What interfaces and ports does C9300X-12Y-A provide?
For C9300X-12Y-A, the manufacturer specification lists downlink ports as 12 x 1G RJ-45 Ethernet downlink ports.
What are the power requirements for C9300X-12Y-A?
For C9300X-12Y-A, the manufacturer specification lists poe profile as Data-only model; no PoE budget required.
What is the switching capacity of C9300X-12Y-A?
For C9300X-12Y-A, the manufacturer specification lists switching capacity as 1.2 Tbps.
Is C9300X-12Y-A available from YYST Global?
C9300X-12Y-A is in stock at YYST Global. Contact the sales team to confirm the required quantity, exact configuration, delivery destination and current lead time before ordering.
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