Your search for "pwr-500ac-f" revealed the following:
NEW Arista DCS-7280TR-48C6-R 48x 10GB Copper 6x 100GB QSFP28 B-F Airflow Switch
SKU: NSN-3567
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7280SRA-48C6-R 48x 10G SFP+ 6x 100G QSFP B-F Air Switch
SKU: NSN-4308
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7280TRA-48C6-R 48x10G RJ45 6x100G QSFP AlgoMatch RF Switch Router
SKU: NSN-6781
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7160-48YC6-F 48x 25GB SFP+ 6x 100GB QSFP Front-to-Back Air Switch
SKU: NSN-2382
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
NEW Arista DCS-7020TR-48-R 48x 1GB RJ45 6x 10GB SFP+ B-F Airflow Switch
SKU: NSN-3607
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Arista DCS-7060CX-32S-F HPE JH576A 32x 100GB QSFP28 2x 10GB SFP+ F-B Air Switch
SKU: NSH-7470
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7280SR-48C6-M-R 48x 10GB SFP+ 6x 100GB QSFP28 B-F Airflow Switch
SKU: NSN-0397
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7020TRA-48-F 7020R Series 48x GE RJ45 6x 10G SFP+ F-B Air Switch
SKU: NSN-4116
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7020TR-48-F 48x GE RJ45 6x 10G SFP+ F-B Airflow Switch
SKU: NSN-2447
Condition: New
Shipping: Overnight Options
Warranty: 365 days