
So these are CP3 Corona fans 3 pack ARGB and they come with a controller (molex powered, unfortunately). I definitely checked these out from another seller, but I'll recap a few things here. This was tested on the MSI MPG X570. In fact, these are minor versions of InWin Sirius. They're definitely louder due to the higher base RPM, but don't have the whine like the Sirius at higher speeds. They also run much better on AIO than Sirius by running the stock R5 3600 with an EVGA CLC 240, Sirius had cooling issues with it (temps went into the 80's) but they froze more in the mid 60's. . Cons: #1, the RGB controller (unless you're using mobo RGB headers) is powered by Molex. SATA would be better. #2, ARGB connectors are proprietary, you must connect them to the 3-to-1 splitter that is included to connect to the ARGB header. So you can't connect each fan to a separate header, they just disconnect from the same header. #3, neither the connectors nor the fan cables are daisy-chained. Of course they're PWM, but you still need the included 3-to-1 fan splitter, you can't daisy-chain them like you can with the InWin Sirius. appear to have dropped to $30 (an additional 10% coupon at the time of this review). At this price, they're a big argument against InWins, but you also have to consider the flexibility of the cables. All in all if you want better AIO performance then of course they are better than Sirius but consider the cables and I wouldn't use them for better performance: the Arctic P12 is much better at that.

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