Your search for "Dell S3148" revealed the following:

NEW Dell S4048T-ON 210-AHMR 48x 10GB Copper 6x 40GB QSFP+ F-B Air No OS10 Switch

SKU: NSN-9960
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5248F-ON 48x 25GB SFP28 2x QSFP28-DD 4x QSFP28 F-B No OS10 Switch

SKU: NSN-9940
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell N3248TE-ON 48x 1GB RJ45 4x 10GB SFP+ 2x 100GB QSFP28 F-B Air OS6 Switch

SKU: NSB-8625
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell S5248F-ON-RA 48x 25GB SFP28 2x 200GB QSFP28-DD 4x QSFP28 B-F OS10 Switch

SKU: NSB-6590
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3248TE-ON 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 F-B Air OS6 Switch

SKU: NSN-9969
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N1548P N1500 Series 48x 1GB PoE+ RJ45 4x 10GB SFP+ EMC Switch

SKU: NSN-2336
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3248TE-ON-RA 48x 1GB RJ45 4x 10GB SFP+ 2x QSFP28 B-F Air OS10 Switch

SKU: NSN-9971
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 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 S5248F-ON-RA 48x 25GB SFP 2x 200GB QSFP28-DD 4x QSFP B-F OS10 Switch

SKU: NSN-8138
Condition: New
Shipping: Overnight Options
Warranty: 365 days