Your search for "fs-448" revealed the following:
NEW Fortinet FS-448E-POE 400 Campus 48x 1GB RJ45 Registrable / Unclaimed Switch
SKU: NSN-1945
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-448E-POE 400 Campus 48x 1GB RJ45 (24x PoE+) 4x 10GB SFP+ Switch
SKU: NSB-1395
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-448D-FPOE 48x 1GB PoE+ RJ45 4x SFP+ Local Management Only Switch
SKU: NSN-8534
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-448D-POE 400 Campus 48x 1GB RJ45 Registrable / Unclaimed Switch
SKU: NSC-0286
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-448E-FPOE 48x 1GB PoE+ RJ45 4x SFP+ Registrable / Unclaimed Switch
SKU: NSC-0182
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-448E-POE 400 Campus 48x 1GB RJ45 (24x PoE+) 4x 10GB SFP+ Switch
SKU: NSN-8439
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-448E-FPOE 48x 1GB PoE+ RJ45 4x SFP+ Registrable/Unclaimed Switch
SKU: NSN-1256
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-448D-POE 400 Campus 48x 1GB RJ45 (24x PoE+) 4x 10GB SFP+ Switch
SKU: NSB-1386
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Fortinet FS-448D-FPOE 48x 1GB PoE+ RJ45 4x SFP+ Registrable / Unclaimed Switch
SKU: NSC-0181
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-448D-POE 400 Campus 48x 1GB RJ45 Registrable / Unclaimed Switch
SKU: NSN-1872
Condition: New
Shipping: Overnight Options
Warranty: 365 days