You cannot add "Cisco Small Business SF352-08P-K9 - Switch - L3 - Managed - 8 x 10/100 (PoE+) + 2 x combo Gigabit Ethernet/Gigabit SFP - desktop - PoE+ (62 W)" to the basket because the product is out of stock.
Cisco CBS110-24PP-UK Managed Network Switch – 24 PoE+ Ports, UK Plug Version