Here is my memory upgrade information from my motherboard(MSI MS-7778 (Jasmine) specs.
Dual channel memory architecture
Four 240-pin DDR3 DIMM sockets
Supports DDR3 DIMMs
PC3-10600 (DDR3-1333)
PC3-12800 (DDR3-1600)
PC3-14400 (DDR3-1866)
Non-ECC memory only, unbuffered
Supports 1 GB, 2 GB, 4 GB...