Your search for "pwr-500ac-f" revealed the following:

NEW Arista DCS-7280SE-68-R 48x 10GB SFP+ 2x 100GB QSFP100 B-F Airflow Switch

SKU: NSN-3814
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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-M-F 48x 10GB SFP+ 6x 100GB QSFP F-B Airflow Switch

SKU: NSN-2365
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-7160-48TC6-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-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-7280SE-68-F 48x 10GB SFP+ 2x 100GB QSFP100 F-B Airflow Switch

SKU: NSN-1667
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7280SE-72-F 48x 10GB SFP+ 2x 100GB MXP Front-to-Back Air Switch

SKU: NSN-2427
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
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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