Notice: To our valued customers. Our online Cooler Master Store and warehouse for US will be closed for Winter vacation from 12/15/2017-1/02/2018. Any orders placed before 12/15/2017 will still be shipped out.

We will reopen and have AM4 brackets available on 1/02/2018. We apologize for the inconvenience. Thank you for your cooperation and we hope you have a wonderful holiday!



You are currently visiting the Cooler Master North America region store.

For orders and inquiries within the North America region, please feel free to contact us using one of the following methods:

  Call us   909-673-9880

Chat with us  LiveChat


Please note that we can only be reached by LiveChat during opening hours. However, our LiveChat will allow you to leave us a message in case our office is closed or if no one is available at that moment.

Opening hours:

All hours listed below are in UTC-08:00.

 Monday 9:00 - 18.00
Tuesday 9:00 - 18.00
Wednesday 9:00 - 18.00
Thursday 9:00 - 18.00
Friday 9:00 - 18.00
Saturday Closed
Sunday Closed
National holidays Closed

Cooler Master Forum/Community:

If you want to talk to or discuss with fellow Cooler Master fans or if you just want to be part of our community please visit

Fanzone (also for Technical Support & RMA):

If you want to read up on the latest Cooler Master news and updates, access our knowledge base or need technical support please go to CM Fanzone, located at

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