Your search for "Dell N4064" 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

Dell S4148T-ON 48x 10GB Copper 2x 40GB QSFP+ 4x 100GB QSFP28 F-B No OS10 Switch

SKU: NSB-9788
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell S4048T-ON 210-AHMR 48x 10GB Copper 6x 40GB QSFP+ F-B Air OS10 Switch

SKU: NSB-0132
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x 100GB QSFP28 F-B Air OS10 Switch

SKU: NSH-9213
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell N3224F-ON-RA 24x 1GB SFP 4x 10GB SFP+ 2x 100GB QSFP28 B-F Air OS6 Switch

SKU: NSB-9803
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x QSFP28 F-B No OS10 Switch

SKU: NSN-9966
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell 210-AAWV S5000 4x Module Slot 4x 40GB QSFP+ F-B Airflow (DC) Switch

SKU: NSN-0168
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell S4148FE-ON 48x 10GB SFP+ 2x 40GB QSFP+ 4x 100GB QSFP28 F-B No OS10 Switch

SKU: NSB-9790
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4148T-ON 48x 10GB Copper 2x 40GB QSFP+ 4x QSFP28 F-B No OS10 Switch

SKU: NSN-9964
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