B660M AORUS PRO (rev. 1.0), LGA1700 socket: Support for 12th Generation Intel® Core™, 4 x DDR DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity), Support for DDR5 4000 MHz Up to 5600(O.C.) MHz, Micro ATX

$172

B660M AORUS PRO DDR4 (rev. 1.0), LGA1700 socket: Support for 12th Generation Intel® Core™,4 x DDR DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity), Support for DDR42133 MHz Up to 5333(O.C.), Micro ATX

$119

B660M GAMING DDR4 (rev. 1.0), LGA1700 socket: Support for 12th Generation Intel® Core™, 2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity), Support for DDR4 2133 MHz Up to 5333(O.C.) MHz, Micro ATX