Your search for "Dell S3148" revealed the following:
NEW Dell S5212F-ON EMC S 12x 25GB SFP28 3x 100GB QSFP28 F-B Air No OS10 Switch
SKU: NSN-9950
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S5232F-ON EMC S 32x 100GB QSFP28 2x 10GB SFP+ F-B Air No OS10 Switch
SKU: NSB-9764
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S4112T-ON-RA 12x 10GB Copper 3x 100GB QSFP28 B-F Air DC OS10 Switch
SKU: NSB-1989
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
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
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 Z9332F-ON Z-Series 32x 400GB QSFP-DD Front-to-Back Airflow OS10 Switch
SKU: NSB-6594
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4810P-AC 48x 10GB SFP+ 4x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSN-2596
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell Z9664F-ON Z-Series 64x 400GB QSFP56-DD Front-to-Back Airflow OS10 Switch
SKU: NSB-9792
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days