Your search for "FS-524D-FPOE" revealed the following:
Fortinet FS-524D-FPOE 24x PoE+ RJ45 4x SFP+ 2x QSFP+ Registrable Switch
SKU: NSC-0198
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-524D-FPOE 24x PoE+ RJ45 4x SFP+ 2x QSFP+ Local Management Switch
SKU: NSN-8453
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-524D-FPOE 24x PoE+ RJ45 4x SFP+ 2x QSFP+ Local Management Switch
SKU: NSB-1399
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days