Your search for "dcs-7500e-6c2-lc" revealed the following:
NEW Arista DCS-7500E-6C2-LC 7500E Series 6x 100GB CFP2 Switch Line Card
SKU: NSN-9207
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,697.99
• Only 2 remaining
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Arista DCS-7500E-6C2-LC 7500E Series 6x 100GB CFP2 Switch Line Card
SKU: NSB-7183
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 817.99
• Only 2 remaining
Call if you need more