Your search for "dcs-7250qx-64-r" revealed the following:
Arista DCS-7250QX-64-R 64x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSH-7477
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 331.99
• Only 2 remaining
Call if you need more
NEW Arista DCS-7250QX-64-R 64x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSN-2510
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 674.99
• Only 1 remaining
Call if you need more
Arista DCS-7250QX-64-F 64x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSH-7476
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 428.99
• Only 2 remaining
Call if you need more
NEW Arista DCS-7250QX-64-F 64x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSN-2459
Condition: New
Shipping: Overnight Options
Warranty: 365 days