Office Hours of Operations (Pacific Standard Time except holidays):
Mon - Thur
8:30 am - 5:30 pm PST
Fri
8:30 am - 4:30 pm PST
**Please note that the USA branch is only responsible for products sold within the North America.
Live Help Hours of Operations (Pacific Standard Time except holidays):
Mon - Thur
9:00 am - 5:00 pm PST
Fri
9:00 am - 4:00 pm PST
**Please note that the USA branch is only responsible for products sold within the North America.
** To avoid blocked email, please make sure you include '@coolermaster.com' into your email account's safe sender list. Thank you.
If you would still like to contact us by phone Click Here
While we've updated our phone system to handle larger volumes of phone calls, our staff count has not changed. If you call and get our voicemail chances are the support staff is already tied up with other customers. Please leave your name and phone number and we will call you back as soon as possible.
4820 Schaefer Ave. Chino, CA 91710 Phone: 1-888-624-5099 Fax: (909) 673-9882 or 9883