Your search for "Dell S3048" revealed the following:
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
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
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 N1108EP-ON N1100 Series 8x 1GB PoE+ RJ45 2x 1GB Combo EMC Switch
SKU: NSH-9913
Condition: Seller refurbished
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 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 S4128T-ON-RA 28x 10GB Copper 2x 100GB QSFP28 B-F 210-ALTI (No OS10) Switch
SKU: NSB-9747
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell 6MY5N For S4048-ON Front To Back Airflow Switch Fan Module
SKU: NSB-3440
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 S4810P-AC 48x 10GB SFP+ 4x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSN-2596
Condition: New
Shipping: Overnight Options
Warranty: 365 days