I bought 10 of these fans and while they don't offer the best airflow they are relatively quiet and let in enough air to keep my components cool. The LEDs look great and I've uploaded a picture when installed and running as a case fan, please ignore the CPU cooler and its fan. You have to retake the picture shown in the item listing itself because they look awful and I needed a video of someone to convince me to buy them. On the back you'll find a removable rubber bushing that you can fill with oil after cleaning, but because they're so cheap they're easy to swap out.
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