Your search for "dell s3148" revealed the following:
NEW Dell S5232F-ON 32x 100GB QSFP28 2x 10GB SFP+ Front-to-Back Air OS10 Switch
SKU: NSN-7725
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N3248P-ON 48x 1GB PoE RJ45 4x 10GB SFP+ 2x 100GB QSFP28 F-B OS6 Switch
SKU: NSN-9973
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N3248TE-ON 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 F-B Air OS10 Switch
SKU: NSN-9972
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell N3224F-ON-RA 24x 1GB SFP 4x 10GB SFP+ 2x 100GB QSFP28 B-F Air OS6 Switch
SKU: NSB-9803
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 210-AAWV S5000 4x Module Slot 4x 40GB QSFP+ F-B Airflow (DC) Switch
SKU: NSN-0168
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell N2024P N2048P 7024P 7048P Delta DPST-1000DB A Power Supply
SKU: NSB-2066
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5224F-ON-RA 24x 25GB SFP28 4x 100GB QSFP28 B-F Air OS10 Switch
SKU: NSN-8136
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S5224F-ON-RA 24x 25GB SFP28 4x 100GB QSFP28 B-F Air No OS10 Switch
SKU: NSB-9767
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5000 210-AAWT EMC S5000 4x Module Slot 4x 40GB QSFP+ F-B Airflow Switc
SKU: NSN-8134
Condition: New
Shipping: Overnight Options
Warranty: 365 days