Your search for "DCS-7500E-36Q-LC" revealed the following:
NEW Arista DCS-7500E-36Q-LC 7500E Series 36x 40GB QSFP+ Switch Line Card
SKU: NSN-2938
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 191.99
• Only 2 remaining
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Arista DCS-7500RA-36Q-LC 7500R Series 36x 40GB QSFP+ Switch Line Card
SKU: NSB-7182
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 489.99
• Only 2 remaining
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Arista DCS-7508E-FM 7500E Series Fabric-E Integrated Switch Fan Tray
SKU: NSH-6937
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 152.99
• Only 2 remaining
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Arista DCS-7508R-FM 7500R Series Integrated Fan Switch Fabric Module
SKU: NSB-6333
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 139.99
• 27 in stock
Call if you need more
NEW Arista DCS-7500RA-36Q-LC 7500R Series 36x 40GB QSFP+ Switch Line Card
SKU: NSN-9206
Condition: New
Shipping: Overnight Options
Warranty: 365 days