Your search for "Dell N1548" revealed the following:

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

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 N1108P-ON N1100 Series 8x 1GB PoE+ RJ45 2x 1GB Combo EMC Switch

SKU: NSH-9912
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 N1148T-ON N1100 Series 48x 1GB RJ45 4x 10GB SFP+ EMC Switch

SKU: NSN-5548
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

NEW Dell N1108P-ON N1100 Series 8x 1GB PoE+ RJ45 2x 1GB Combo EMC Switch

SKU: NSN-5146
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3248TE-ON-RA 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 B-F Air OS6 Switch

SKU: NSN-9970
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

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

SKU: NSN-5276
Condition: New
Shipping: Overnight Options
Warranty: 365 days