Your search for "FS-548D-FPOE" revealed the following:
Fortinet FS-548D-FPOE 48x PoE+ RJ45 4x SFP+ 2x QSFP+ Local Manage Only Switch
SKU: NSB-1401
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 817.99
• Only 2 remaining
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NEW Fortinet FS-548D-FPOE 48x PoE+ RJ45 4x SFP+ 2x QSFP+ Registrable Switch
SKU: NSN-1228
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-548D-FPOE 48x PoE+ 4x SFP+ 2x QSFP+ Local Manage Only Switch
SKU: NSN-8454
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-548D-FPOE 48x PoE+ RJ45 4x SFP+ 2x QSFP+ Registrable Switch
SKU: NSC-0174
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days