Your search for "PWR-460DC-F" revealed the following:

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-7150S-64-CL-R 48x 10GB SFP+ 4x 40GB QSFP+ B-F Air (HPC) Switch

SKU: NSN-2409
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7050S-52-F 52x 10GB SFP+ Front-to-Back Airflow Switch

SKU: NSN-3286
Condition: New
Shipping: Overnight Options
Warranty: 365 days