Your search for "mx64" revealed the following:

NEW Cisco Meraki MA-PWR-50WAC 50W 54V 0.92A AC Power Adapter for Z3 Z3C

SKU: NSN-6190
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco Meraki MA-PWR-90WAC 90W AC Power Adapter for MS120-8LP MX65

SKU: NSN-6215
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper RE-S-X6-64G-R MX Series (Redundant RE) Routing Engine

SKU: NSB-5775
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days