 
Cisco Part Number: C9300LM-48U-4Y-A is a Catalyst 9300 mini 48-port 1G UPOE, 4x 25G uplinks, Network Advantage
Cisco's Catalyst 9300 Series switches, a flagship in the Catalyst 9000 family, redefine enterprise access switching for a hybrid world. Designed to adapt to diverse workplaces, varied endpoints, and decentralized applications, the Catalyst 9300 Series, now featuring the latest Catalyst 9300X models, pioneers ongoing innovation. This evolution enables a reimagination of connections, a reinforcement of security, and a redefinition of the experience for both expansive and compact hybrid workforces.
Key industry-first features:
Cisco Catalyst C9300LM-48U-4Y switch configuration:
| Model | Total 10/100/1000, Multigigabit copper or SFP Fiber | Uplink Configuration | Default AC power supply | 
|---|---|---|---|
| C9300LM-48U-4Y-A | 48 port 1G (1G/100M/10M) with Cisco UPOE | 4x25G fixed uplinks | 1100W AC | 
Power supply configurations:
| Model | Primary power supply | Default or Upgrade | Available PoE power | With 600W AC Secondary PS | With 715W DC Secondary PS | With 1000W AC Secondary PS | 
|---|---|---|---|---|---|---|
| C9300LM-48U-4Y-A | PWR-C6-1KWAC | Default | 790W | 1390W | 1505W | 1790W* | 
* Limited by port number and port rating (e.g. 24 UPOE 60W ports = 1440W)
Bandwidth specification:
| SKU | Switching capacity | Switching capacity with stacking | Forwarding rate | Forwarding rate with stacking | 
|---|---|---|---|---|
| C9300LM-48U-4Y-A | 296 Gbps | 616 Gbps | 220.22 Mpps | 458.30 Mpps |