Your search for "PWR-500-DC-R" revealed the following:
NEW Arista DCS-7050TX-72Q-R 48x 10GB Copper 6x 40GB QSFP+ B-F Airflow Switch
SKU: NSN-4224
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista DCS-7280SR-48C6-R 48x 10GB SFP+ 6x 100GB QSFP B-F Airflow Switch
SKU: NSN-1838
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-7050TX-48-R 32x 10GB Copper 4x 40GB QSFP+ B-F Airflow Switch
SKU: NSN-1927
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
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
Arista DCS-7050TX-72-R 48x 10GB Copper 6x 40GB (2x MXP) B-to-F Airflow Switch
SKU: NSH-7465
Condition: Seller refurbished
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
NEW Arista DCS-7160-32CQ-R 32x 100GB QSFP100 Back-to-Front Airflow Switch
SKU: NSN-3758
Condition: New
Shipping: Overnight Options
Warranty: 365 days