Your search for "7050qx" revealed the following:

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-7050Q-16-F 16x 40GB QSFP+ 8x 10GB SFP+ Front-to-Back Air Switch

SKU: NSN-2710
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050Q-16-R 16x 40GB QSFP+ 8x 10GB SFP+ Back-to-Front Air Switch

SKU: NSN-2340
Condition: New
Shipping: Overnight Options
Warranty: 365 days