Thermaltake Pacific W4 RGB CPU Water Block Review

Verdict and Conclusion

When I heard about the Thermaltake Pacific W4 RGB CPU water block, I was pretty excited so I posted a picture of the box to various social media sites to get some feedback. To my surprised, I was pretty shocked to find out that more than 50% of the viewers disliked it. Some hated RGB, some didn’t like the brand, while others thought it was pointless.

For me, I’m a sucker anything RGB … I think it makes the system look good and besides, there aren’t many RGB water blocks out there anyway. So when I managed to get my hands on the Thermaltake Pacific W4 RGB CPU water block, it was a good chance for me to see what it can do both in terms of aesthetics and cooling performance.

Let’s start with the aesthetics. I must admit, the water block itself does look odd. Most water blocks are square but this one is round. And you don’t get to see much of the water block itself  that’s because the top of the water block is covered by a large PMMA cover that houses the LED lighting. Only the edge of the PMMA is exposed, giving you a “ring effect” when the water blocked is powered up.

To get the LED lightning to work, you have to plug the cable in to a separate RGB controller which is a little annoying! So, I now have several RGB controller boxes in my system … one for the RGB Riing fans, one for the RGB Premium Riing fans and now I have one for the Pacific W4 water block… which is crazy!

For cooling performance, the Thermaltake Pacific W4 RGB CPU water block performed really well at stock speeds, with idle temps at 32 degrees and load temps at 45 degrees Celsius.

We all know that Broadwell chips can run HOT when overclocked but the Pacific W4 coped extremelly well. Overclocked temps were also very good, with load temps at 62 degrees Celsius, while idle temps was around 34 degrees Celsius. 

No price yet for the Thermaltake Pacific W4 RGB CPU water block. It’s so new, it’s not even listed on their website (Jan 2017), but I expect it cost between USD $85 to $110.

Final words

Some of you may not like RGB, but I do. What makes the Thermaltake Pacific W4 RGB CPU water block appealing to would be modders and enthusiasts alike, is the fact that it performs as well as it looks. 

Based on cooling performance alone, I have no problems recommending the Thermaltake Pacific W4 RGB CPU water block.