Your search for "7050TX-" revealed the following:

NEW Arista PWR-750AC-R 7050SX 750W AC B-F Airflow (Blue) Switch Power Supply

SKU: NSN-5273
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista PWR-500AC-R 500W AC B-F PSU for 7280E, 7280R, 7060X, 7050, 7020R,7160

SKU: NSN-4908
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista PWR-500AC-F 500W AC F-B PSU for 7280E, 7280R, 7060X, 7050, 7020R,7160

SKU: NSN-5421
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050TX3-48C8-R 48x 10GB RJ45 8x 100GB QSFP100 B-F Air Switch

SKU: NSN-0272
Condition: New
Shipping: Overnight Options
Warranty: 365 days