Your search for "dell s4148" revealed the following:
NEW Dell 5KFVW N4000 Series 2x 40GB QSFP+ Switch Module
SKU: NSN-5068
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S5224F-ON 24x 25GB SFP28 4x 100GB QSFP28 Front-to-Back Air No OS10 Switch
SKU: NSB-9766
Condition: Seller refurbished
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 S4112F-ON 12x 10GB SFP+ 3x 100GB QSFP28 F-B Air OS10 Switch
SKU: NSN-9956
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
NEW Dell S4112F-ON 12x 10GB SFP+ 3x 100GB QSFP28 F-B Air No OS10 Switch
SKU: NSN-9958
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5224F-ON 24x 25GB SFP28 4x 100GB QSFP28 F-B Air No OS10 Switch
SKU: NSN-9948
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N3024EP-ON 12x 1GB PoE+ 12x 1GB 60W PoE RJ45 2x SFP+ 2x Combo Switch
SKU: NSN-8089
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N1124T-ON N1100 Series 24x 1GB RJ45 4x 10GB SFP+ EMC Switch
SKU: NSN-8754
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N1124P-ON N1100 Series 24x 1GB PoE+ RJ45 4x 10GB SFP+ EMC Switch
SKU: NSN-4875
Condition: New
Shipping: Overnight Options
Warranty: 365 days