Installing liquid cooler for cpu

[varun7pathak]

I recently ordered corsair h45 liquid cooling for my cpu which was overheating. Only on opening the packaging I realised that it requires a 4 pin connection for fan and a 3 pin connector for pump. I am using gigabyte GA-B75M-D3H motherboard, which does not have the 3 pin connector. It only has cpu fan and system fan connections. Is there a way I can connect the liquid cooling on this motherboard?

 

[bignastyid]

3pin connectors will work in the 4-pin connectors on the board

 

[Zerk2012]

You could use a molex adapter for the pump.
https://www.amazon.com/Electop-3-Pin-ATX-4-Pin-Molex/dp/B01MQ42KMV/ref=pd_sim_147_2?_encoding=UTF8&pd_rd_i=B01MQ42KMV&pd_rd_r=M9FHERDPF3Y59DA6754G&pd_rd_w=reoNn&pd_rd_wg=LDWLC&psc=1&refRID=M9FHERDPF3Y59DA6754G

 

[varun7pathak]

You could use a molex adapter for the pump.
https://www.amazon.com/Electop-3-Pin-ATX-4-Pin-Molex/dp/B01MQ42KMV/ref=pd_sim_147_2?_encoding=UTF8&pd_rd_i=B01MQ42KMV&pd_rd_r=M9FHERDPF3Y59DA6754G&pd_rd_w=reoNn&pd_rd_wg=LDWLC&psc=1&refRID=M9FHERDPF3Y59DA6754G

Problem is there is only one 4 pin cpu fan connector near the cpu, the other 4 pin sys fan connector is pretty far off where the pump cable wont reach. If i use the below splitter cable (4 pin to 2 x4 pin )to utilise the cpu fan connection for both sink fan and pump, will it impact the performance of sink in any way. Is this safe to use ?

https://www.amazon.in/Phenovo-Splitter-Power-Extension-Sleeved/dp/B075ZV8LKP/ref=sr_1_5?s=electronics&ie=UTF8&qid=1525885633&sr=1-5&keywords=4+pin+fan+splitter