Your search for "Dell N1548P" revealed the following:
Dell S4148U-ON 210-ALRZ 48x 24x Uni SFP+ 2x QSFP+ 4x QSFP28 F-B No OS10 Switch
SKU: NSB-9786
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4148U-ON-RA 48x 24x Unified SFP+ 2x QSFP+ 4x QSFP28 B-F No OS10 Switch
SKU: NSN-9963
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S3148 48x 1GB RJ45 2x 1GB Combo 2x 10GB SFP+ F-B Air 210-AIMR Switch
SKU: NSN-2078
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4148U-ON-RA 48x (24x Unified) SFP+ 2x QSFP+ 4x QSFP28 B-F OS10 Switch
SKU: NSN-8126
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
NEW Dell S4148U-ON 48x 24x Unified SFP+ 2x QSFP+ 4x QSFP28 F-B OS10 Switch
SKU: NSN-3864
Condition: New
Shipping: Overnight Options
Warranty: 365 days
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 N3248TE-ON 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 F-B Air OS6 Switch
SKU: NSN-9969
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 F-B No OS10 Switch
SKU: NSN-9966
Condition: New
Shipping: Overnight Options
Warranty: 365 days