You cannot add "Cisco Catalyst 9200 - Essential Edition - switch - smart - 48 x 10/100/1000 (PoE+) - rack-mountable - PoE+ (740 W)" to the basket because the product is out of stock.
Cisco Catalyst WS-C3560CX-8PC-S Compact Switch – 8 POE+ Ports, IP Base Layer 3, Managed