The 9300 series is Cisco's fixed port switch range for corporate networks with a stack bandwidth of 480 Gb/s. A DNA Advantage licensed (at least a 3-year term) is required for use upon first-time purchase of this switch. 
Details

Product
Product name	Cisco Catalyst 9300-48U-A Switch
Product type	Switch
Connectivity
Ports	48 x 10/100/1000BASE-T
Other ports	Optional
Performance
Stackable	Yes
PoE	Yes
PoE Standard	UPoE
General
Managed	Yes
Ventilation	Fan
Physical properties
Form factor	Rack-mount
Features
Power supply	Internal
Country variant
Country variant	Europe
Manufacturer’s warranty	5-year exchange service (see manufacturer's website for details)