Your search for "Dell S5148F" revealed the following:
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
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
NEW Dell N3248P-ON-RA 48x 1GB PoE RJ45 4x 10GB SFP+ 2x QSFP28 B-F OS6 Switch
SKU: NSN-9976
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell Z9264F-ON-RA EMC Z-Series 64x 100GB QSFP28 B-F Air OS10 Switch
SKU: NSN-0188
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N3248TE-ON-RA 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 B-F Air OS6 Switch
SKU: NSN-9970
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S4820T-RA 48x 10GB Copper 4x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSN-8130
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5212F-ON-RA 12x 25GB SFP28 3x 100GB QSFP28 B-B Air No OS10 Switch
SKU: NSN-9951
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S5212F-ON-RA 12x 25GB SFP28 3x 100GB QSFP28 B-B Air No OS10 Switch
SKU: NSB-9769
Condition: Seller refurbished
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
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