Your search for "PWR-500AC-F" revealed the following:
NEW Arista DCS-7280SRA-48C6-F 7280R 48x 10G SFP+ 6x 100G QSFP F-B Air Switch
SKU: NSN-4309
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-7020SR-24C2-F 24x 10GB SFP+ 2x 100GB QSFP F-B Airflow Switch
SKU: NSN-4911
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-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-7020TRA-48-R 7020R Series 48x GE RJ45 6x 10G SFP+ B-F Air Switch
SKU: NSN-4117
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
NEW Arista DCS-7280SE-64-F 48x 10GB SFP+ 4x 40GB QSFP+ Front-to-Back Air Switch
SKU: NSN-2462
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7160-48TC6-F 48x 10GB Copper 6x 100GB QSFP F-B Air Switch
SKU: NSN-2432
Condition: New
Shipping: Overnight Options
Warranty: 365 days
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