Your search for "dell s4148" revealed the following:

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 S4810P-AC-R XR65V 48x 10GB SFP+ 4x 40GB QSFP+ B-F Airflow Switch

SKU: NSN-0109
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4128F-ON-RA 210-ALTF 28x 10GB SFP+ 2x 100GB QSFP28 B-F No OS10 Switch

SKU: NSN-9933
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x 100GB QSFP28 F-B Switch

SKU: NSN-1910
Condition: New
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

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 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

NEW Dell S5148F-ON-RA 210-ANCL 48x 25GB SFP28 6x 100GB QSFP28 B-F OS10 Switch

SKU: NSN-9953
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4128T-ON-RA 28x 10GB 2x 100GB QSFP28 B-F Air 210-ALTI OS10 Switch

SKU: NSN-8122
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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