Your search for "JG306C" revealed the following:
HPE JG306C 3600 SI Series 24x Fast Ethernet PoE+ 4x 1G SFP Switch
SKU: NSH-4708
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JG306C 3600 SI Series 24x Fast Ethernet PoE+ 4x 1G SFP Switch
SKU: NSN-3831
Condition: New
Shipping: Overnight Options
Warranty: 365 days