Your search for "pwr-500-dc-r" revealed the following:
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-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-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-7050SX-72Q-R 48x 10GB SFP+ 6x 40GB QSFP+ Back-to-Front Air Switch
SKU: NSN-4910
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-7060SX2-48YC6-F 48x 25GB SFP25 6x 100GB QSFP F-B Airflow Switch
SKU: NSN-3765
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
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-7050SX-96-F 48x 10GB SFP+ 4x MXP Front-to-Back Airflow Switch
SKU: NSN-2519
Condition: New
Shipping: Overnight Options
Warranty: 365 days