Your search for "dcs-7508e-fm" revealed the following:
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-7500E-12CM-LC 7500E Series 12x 100GB MTP/MPO Switch Line Card
SKU: NSB-7187
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 361.99
• Only 2 remaining
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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 PWR-2900AC 2900W AC Power Supply for DCS-7508 and DCS-7504 Chassis
SKU: NSH-6281
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 98.99
• Only 2 remaining
Call if you need more
NEW Arista DCS-7500E-12CM-LC 7500E Series 12x 100GB MTP/MPO Switch Line Card
SKU: NSN-9209
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Arista DCS-7500E-SUP-D 2x 1GB RJ-45 2x USB 100GB SSD Switch Supervisor Module
SKU: NSB-5355
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days