Your search for "Dell N2048" revealed the following:

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

Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x 100GB QSFP28 F-B No OS10 Switch

SKU: NSB-9790
Condition: Seller refurbished
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

NEW Dell S5248F-ON-RA 48x 25GB SFP28 2x QSFP28-DD 4x QSFP28 B-F No OS10 Switch

SKU: NSN-9941
Condition: New
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

Dell S4148FE-ON-RA 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 B-F No OS10 Switch

SKU: NSB-9791
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148FE-ON-RA 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 B-F No OS10 Switch

SKU: NSN-9967
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x 100GB QSFP28 F-B OS10 Switch

SKU: NSH-9215
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148T-ON 48x 10GB Copper 2x 40GB QSFP+ 4x QSFP28 F-B No OS10 Switch

SKU: NSN-9964
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3248P-ON-RA 48x 1GB PoE RJ45 4x 10GB SFP+ 2x QSFP28 B-F OS6 Switch

SKU: NSN-9976
Condition: New
Shipping: Overnight Options
Warranty: 365 days