H87 motherboard supports 871.866 MHz RAM modules.
H87 motherboard supports 871.866 MHz RAM modules.
Checking compatibility of 1866 MHz memory with an H87 chipset board. If supported, can it slow the speed to 1600 MHz?
Typically H87 boards had a maximum of 1600MHz, but your 1866MHz memory should function as long as you run it at that frequency.