Your search for "dell n1548" revealed the following:

NEW Dell S4148F-ON 210-ALSI 48x SFP+ 4x QSFP28 2x QSFP+ F-B Air OS10 Switch

SKU: NSN-1906
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell S4148U-ON 210-ALRZ 48x 24x Unified SFP+ 2x QSFP+ 4x QSFP28 F-B OS10 Switch

SKU: NSH-9214
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148F-ON-RA 210-ALSR 48x SFP+ 4x QSFP28 2x QSFP+ B-F (No OS10) Switch

SKU: NSN-9931
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 F-B Air OS10 Switch

SKU: NSN-1909
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell S4048T-ON 210-AHMR 48x 10GB Copper 6x 40GB QSFP+ F-B Air OS9 Switch

SKU: NSB-2485
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4048-ON-RA 48x 10GB SFP+ 6x 40GB QSFP+ B-F Airflow 210-ADUZ Switch

SKU: NSN-8120
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell N1108T-ON N1100 Series 8x 1GB RJ45 2x 1GB Combo Switch

SKU: NSH-9916
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell N1108EP-ON N1100 Series 8x 1GB PoE+ RJ45 2x 1GB Combo EMC Switch

SKU: NSH-9913
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3248TE-ON-RA 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 B-F Air OS10 Switch

SKU: NSN-9971
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4048T-ON 210-AHMR 48x 10GB Copper 6x 40GB QSFP+ F-B Air OS10 Switch

SKU: NSN-1874
Condition: New
Shipping: Overnight Options
Warranty: 365 days