Your search for "N6K-C6001-64T" revealed the following:
Cisco N6K-C6001-64T N6000 Series 48x 10 Gigabit Ethernet 4x 40G QSFP+ Switch
SKU: NSH-5785
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• Only 2 remaining
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Cisco N6K-C6001-64T 48x 10GB Copper 4x 40GB QSFP Back-to-Front Airflow Switch
SKU: NSH-8096
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• Only 2 remaining
Call if you need more
Cisco N6K-C6001-64T 48x 10GB Copper 4x 40GB QSFP Front-to-Back Airflow Switch
SKU: NSB-6985
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• Only 2 remaining
Call if you need more
NEW Cisco N6K-C6001-64T 48x 10GB Copper 4x 40GB QSFP Front-to-Back Air Switch
SKU: NSN-8236
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N6K-C6001-64T 48x 10GB Copper 4x 40GB QSFP Back-to-Front Air Switch
SKU: NSN-1978
Condition: New
Shipping: Overnight Options
Warranty: 365 days