well looking at the boards memory chart the F4-3000C15D is listed [the ''D'' means dual [2 sticks ] kit Q would mean quad ''4'' ] its the last suffix of the part number as showen below is the series [maybe the same modules but binned /timings / heatsinks different like rip jaws - over tridents
http://www.asrock.com/mb/Intel/Z170A-X1/?cat=Memory
I would feel there safe to use should be -0- issues
Series:
VR / VB / VK / VS / VG = Ripjaws V (Red / Blue / Black / Silver / Gunmetal Gray)
RR / RB / RK = Ripjaws 4 (Red / Blue / Black)
XL / XM / XH = RipjawsX
ZL / ZM / ZH = RipjawsZ
RL / RM / RH = Ripjaws
TZ = Trident Z
TX = TridentX
TD = Trident
AB / AO / AR = ARES
ECO = ECO
SR = Sniper
IS / ISL = Aegis
NQ / PK / HK = Performance
NT / NS = Value RAM
SQ / SK = SO-DIMM for laptop
I just looked at this ''Ripjaws V – New Design, New Colors, New Specs''
''With a new generation, comes a new heat spreader design concept ''
http://www.gskill.com/en/press/view/g-skill-conquers-4000mhz-speed-barrier-and-releases-new-trident-z-and-ripjaws-v-series-ddr4-memory
see what I mean / getting at ??