Your search for "Dell S3148" revealed the following:

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

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

NEW Dell S4048T-ON-RA 210-AHMV 48x 10GB Copper 6x 40GB QSFP+ B-F Air OS10 Switch

SKU: NSN-0178
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5148F-ON-RA 210-ANCL 48x 25GB SFP28 6x 100GB QSFP28 B-F No OS10 Switch

SKU: NSN-8132
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSN-8125
Condition: New
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 S4048T-ON-RA 210-AHMV 48x 10GB Copper 6x 40GB QSFP+ B-F No OS10 Switch

SKU: NSN-9961
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5148F-ON-RA 210-ANCL 48x 25GB SFP28 6x 100GB QSFP28 B-F OS10 Switch

SKU: NSN-9953
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 S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x 100GB QSFP28 F-B Switch

SKU: NSN-1910
Condition: New
Shipping: Overnight Options
Warranty: 365 days