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