Instruct: Classify Amazon reviews into positive or negative sentiment
Query: 3 Months old and rattling already.

Bought for my ASUS Sabertooth P67 Motherboard as an assist fan, like many here have. Using the thermal armor to regulate the speed of the fan but after only a little over 3 months (3 months and 9 days to be exact) it started rattling, almost a clicking sound. More "high-quality" Chinese junk. Since the selection of 50MM fans are so sparse here, and understandably so since it's an odd size, I guess I'll have to look elsewhere for a replacement.