Your search for "pwr-500-dc-f" revealed the following:

NEW Arista DCS-7050SX2-72Q-F 48x 10GB SFP+ 6x 40GB QSFP+ F-B Airflow Switch

SKU: NSN-2393
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7160-48TC6-R 48x 10GB Copper 6x 100GB QSFP B-F Airflow Switch

SKU: NSN-2456
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050QX2-32S-F 32x 40GB QSFP+ 4x 10GB SFP+ F-B Airflow Switch

SKU: NSN-2435
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7020SR-24C2-R 24x 10GB SFP+ 2x 100GB QSFP B-F Air Switch

SKU: NSN-4912
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050TX-48-F 32x 10GB Copper 4x 40GB QSFP+ F-B Airflow Switch

SKU: NSN-3974
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050SX-72-F 48x 10GB SFP+ 2x MXP Front-to-Back Airflow Switch

SKU: NSN-2475
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7060SX2-48YC6-R 48x 25GB SFP28 6x 100GB QSFP B-F Airflow Switch

SKU: NSN-5791
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7160-48YC6-R 48x 25GB SFP+ 6x 100GB QSFP Back-to-Front Air Switch

SKU: NSN-1845
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050TX-64-F 48x 10GB Copper 4x 40GB QSFP+ F-B Air Switch

SKU: NSN-2504
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Arista DCS-7280TRA-48C6-F 48x 10G RJ45 6x 100G QSFP AlgoMatch F-R Switch Router

SKU: NSB-5388
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days