Express-AMU3 is a Russian communications satellite of the Express series designed to operate in geostationary orbit as part of the satellite constellation of FSUE Cosmicheskaya Svyaz (RSCC).
| Name of Satellite | Express-AMU3 |
| Purpose | Communications |
| Contractor | ISS Reshetnev |
| Country of Contractor | Russia |
| Launch Mass (kg.) | 2 150 |
| Class of Orbit | GEO |
| Perigee (km) | 16 324 |
| Expected Lifetime (yrs.) | 15 |
| Date of Launch | 13.12.2021 |
| Launch Site | Baikonur Cosmodrome |
| Launch Vehicle | Proton M |
| COSPAR Number | 2021-123A |
| NORAD Number | 50001 |
The Express-AMU3 Communications Satellite was constructed in Reshetnev ISS on the basis of the Express-1000H platform, according to order of the Russian satellite communications operator FSUE Cosmicheskaya Svyaz, which used to restore its orbital constellation. Discounting the payload is made by Thales Alenia Space.
