Your search for "dell n1548" revealed the following:

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 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 S4148U-ON-RA 48x (24x Unified) SFP+ 2x 40GB QSFP+ 4x QSFP28 B-F OS10 Switch

SKU: NSB-6545
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 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 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 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

Dell S4148T-ON 48x 10GB Copper 2x 40GB QSFP+ 4x 100GB QSFP28 F-B OS10 Switch

SKU: NSH-9212
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSB-9789
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