Your search for "Dell S3148" revealed the following:
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
Dell S4112F-ON EMC S-Series 12x 10GB SFP+ 3x 100GB QSFP28 F-B Air No OS10 Switch
SKU: NSB-9782
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S4128T-ON 28x 10GB Copper 2x 100GB QSFP28 F-B Air 210-ALTC OS10 Switch
SKU: NSB-9746
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x 100GB QSFP28 F-B OS10 Switch
SKU: NSH-9215
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4128F-ON 210-ALSY 28x 10GB SFP+ 2x 100GB QSFP28 F-B (No OS10) Switch
SKU: NSN-9932
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S4128T-ON 28x 10GB Copper 2x 100GB QSFP28 F-B Air 210-ALTC (No OS10) Switch
SKU: NSH-9211
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell 210-AAWV S5000 4x Module Slot 4x 40GB QSFP+ F-B Airflow (DC) Switch
SKU: NSB-6555
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S5232F-ON-RA 32x 100GB QSFP28 2x 10GB SFP+ Back-to-Front Air No OS10 Switch
SKU: NSB-9765
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4128F-ON-RA 210-ALTF 28x 10GB SFP+ 2x 100GB QSFP28 B-F Air OS10 Switch
SKU: NSN-8121
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5212F-ON EMC S 12x 25GB SFP28 3x 100GB QSFP28 F-B Air OS10 Switch
SKU: NSN-4145
Condition: New
Shipping: Overnight Options
Warranty: 365 days