Your search for "dell n2048" revealed the following:
Dell S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x QSFP28 F-B No OS10 Switch
SKU: NSB-9762
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4048-ON 48x 10GB SFP+ 6x 40GB QSFP+ Front-to-Back Air 210-ADUW Switch
SKU: NSN-1862
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N3048EP-ON 48x 1GB PoE+ RJ45 2x 10GB SFP+ 2x 1GB Combo Switch
SKU: NSN-2207
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S4048T-ON-RA 210-AHMV 48x 10GB Copper 6x 40GB QSFP+ B-F Air No OS10 Switch
SKU: NSB-9785
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
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 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 5548P PowerConnect 5500 48x 1GB PoE RJ-45 2x 10GB SFP+ Switch
SKU: NSN-3333
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S3048-ON-RA 48x 1GB RJ45 4x 10GB SFP+ B-F Air 210-AEDP Switch
SKU: NSN-8119
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S4048T-ON 210-AHMR 48x 10GB Copper 6x 40GB QSFP+ F-B Air OS10 Switch
SKU: NSB-0132
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x 100GB QSFP28 F-B Air OS10 Switch
SKU: NSH-9213
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days