RMx warranty is 10 years regardless of location.
Power Supplies
AX Series™ PSUs have a 7 year warranty
AXi Series™ PSUs have a 10 year warranty
CS Series™ PSUs have a 3 year warranty
CX Series™ PSUs have a 3 year warranty
CX-M Series™ PSU Models CX430M, CX500M, and CX600M have a 3 year warranty
CX-M Series™ PSU Models CX450M, CX550M, CX650M, CX750M, and CX850M have a 5 year warranty
GS Series™ PSUs have a 3 year warranty
HX Series™ PSUs with Platinum efficiency have a 10 year warranty. HX Series™ Models HX520W, HX620W, and HX1000W have a 5 year warranty; all other HX Series™ Models have a 7 year warranty
HXi Series™ PSUs have a 10 year warranty
RM Series™ PSUs have a 5 year warranty
RMi Series™ PSUs have a 10 year warranty
RMx Series™ PSUs have a 10 year warranty
SF Series™ PSUs have a 7 year warranty
TX Series™ PSUs with Gold efficiency have a 7 year warranty. All other TX Series™ PSUs have a 5 year warranty
Vengeance Series™ PSUs have a 5 year warranty
VS Series™ PSUs have a 3 year warranty
VX Series™ (Models VX450, and VX550) have a 5 year warranty