Hours of Operation (Pacific Standard Time except holidays):

Monday - Thursday 9:00am - 5:00pm PST
Friday 9:00am - 4:00pm PST


Email Support
*Cooler Master USA Support provides assistance for products sold within North America. If you require assistance for another area, please visit Coolermaster.com to select the appropriate region.

**Emails will be replied to within one business day; To avoid blocked email, please make sure you include '@coolermaster.com' into your email account's safe sender list. Thank you.

If you still prefer to contact us
on phone, please dial
1-888-624-5099 or 909.673.9880
Cooler Master USA
Main Office
4820 Schaefer Ave
Chino, CA 91710

Cooler Master USA
Service Center
4575 Schaefer Ave
Chino, CA 91710