Your search for "PWR-500AC-R" revealed the following:
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-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
Arista DCS-7050TX-72-F 48x 10GB Copper 6x 40GB (2xMXP) F-B Airflow Switch
SKU: NSH-7464
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
NEW Arista DCS-7050SX-96-F 48x 10GB SFP+ 4x MXP Front-to-Back Airflow Switch
SKU: NSN-2519
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-F 48x 10GB Copper 6x 100GB QSFP28 F-B Airflow Switch
SKU: NSN-9773
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-7280SR-48C6-M-F 48x 10GB SFP+ 6x 100GB QSFP F-B Airflow Switch
SKU: NSN-2365
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Arista DCS-7280TRA-48C6-R 48x 10GB RJ45 6x 100GB QSFP28 AM B-F Switch Router
SKU: NSB-5389
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days