Brand: Cisco · SKU: C9300-48UB · MPN: C9300-48UB-A · Category: Networking
The Cisco Catalyst 9300-48UB-A is a feature-rich, stackable access switch featuring 48 x 1 Gigabit Ethernet UPOE+ (60W per port) ports and 1x Expansion Module Slot for flexible uplink configuration. It is based on the Network Advantage software image. Key features include a 256 Gbps non-blocking switching fabric, a larger 64MB packet buffer for handling traffic bursts, and support for StackWise-480 technology, allowing up to eight switches to stack with 736 Gbps total stack bandwidth and sub-50 ms fail-over. The default configuration typically includes a 1100W AC power supply, providing a PoE budget of 822W. The Network Advantage license unlocks advanced Layer 3 routing, SD-Access micro-segmentation, and Encrypted Traffic Analytics (ETA).
| Packet Buffer | 64 MB (Deep Buffer) |
|---|---|
| Downlink Ports | 48 x 10/100/1000 (UPOE/UPoE+) RJ-45 |
| Layer Supported | 3 |
| Stacking Technology | StackWise-480 (480 Gbps per switch) |
| UPOE Power Per Port | 60 W |
| Default Power Supply | 1100W AC (PWR-C1-1100WAC-P) |
| Uplink Configuration | 1x Expansion Module Slot (Modules sold separately) |
| Forwarding Rate (Stacked) | 547.62 Mpps |
| Forwarding Rate (Standalone) | 190.48 Mpps |
| Switching Capacity (Stacked) | 736 Gbps (with up to 8 members) |
| PoE Budget (with default PSU) | 822W |
| Switching Capacity (Standalone) | 256 Gbps (non-blocking) |
| Warranty | Not Available |
| Weight | 17.02 lbs (7.72 kg) |
| Dimensions | 17.5 in x 19.2 in x 1.7 in (44.45 cm x 48.77 cm x 4.32 cm) |
The Cisco Catalyst 9300-48UB is a high-performance, stackable access switch designed as the foundation for Software-Defined Access (SD-Access) environments. It offers high-density Universal Power over Ethernet (UPoE) support on all 48 ports, a modular uplink architecture for flexible scaling, and robust stacking capabilities with StackWise-480. It is optimized for high-density Wi-Fi 6 and 802.11ac Wave2 deployments and features a deeper packet buffer to handle rich multimedia content delivery.
Yes, this Cisco Catalyst 9300-48UB-A Switch (Network Advantage) (C9300-48UB) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco Catalyst 9300-48UB-A Switch (Network Advantage) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the C9300-48UB.