The Cisco C9300X-12Y-E is a next-generation hardware-accelerated fiber access and distribution switch belonging to the premium Cisco Catalyst 9300X Series. Engineered with specialized Cisco Silicon One ASICs, this high-performance 12-port SFP28 switch supports line-rate 1G, 10G, and 25G optical connections natively across all downlink ports, running on the dependable Network Essentials software package.
Designed for high-bandwidth aggregation, dense storage area networks (SAN), and fiber-to-the-desk topologies, the C9300X-12Y-E provides massive stacking bandwidth via StackWise-1T (1 Tbps). Featuring an architecture built for flexible modular uplinks up to 100G, it is the ultimate core block for high-density fiber routing and enterprise optical distribution networks.
| Technical Parameter | Specifications & Scaling Metrics |
| Model Number | C9300X-12Y-E |
| Downlink Interface Layout | 12 x 1G / 10G / 25G SFP28 Fiber Ports |
| Uplink Slot Architecture | Modular Uplink Slot (Supports up to 100G QSFP28 modules) |
| Switching Fabric Capacity | 600 Gbps (Up to 1.6 Tbps when stacked) |
| Packet Forwarding Rate | 446.42 Mpps |
| Stacking Bandwidth Ceiling | 1 Tbps (1,000 Gbps) via StackWise-1T |
| Default Power Supply Module | PWR-C1-715WAC-P (Hot-swappable, dual redundant slot) |
| Memory Configuration | 8 GB DRAM / 16 GB Flash Memory |
| MAC Address Table Scale | 32,000 entries |
| Chassis Profile Dimensions | 1.73 x 17.5 x 17.5 in (4.4 x 44.5 x 44.5 cm) - Standard 1U |
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C9300X-NM-4C: Catalyst 9300X 4 x 100G QSFP28 Network Module
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C9300X-NM-4M: Catalyst 9300X 4 x 10G/25G SFP28 Multi-rate Module
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C9300X-NM-2C: Catalyst 9300X 2 x 100G QSFP28 Network Module
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C9300X-NM-8M: Catalyst 9300X 8 x 10G/25G SFP28 Multi-rate Module
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C9300X-STACK-KIT Cisco Catalyst 9300X Stacking Module Spare
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STACK-T1-50CM / STACK-T1-1M / STACK-T1-3M: Type 1 high-speed stacking cables (50cm, 1m, 3m options)
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PWR-C1-715WAC-P: 715W AC Platinum-certified Primary Power Supply Unit
