Joined in 2023 
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63 About this deal
Because Noctua provides only a single fan with this heatsink, if you have tall RAM you can use the money you saved and buy a 12cm fan. But really, there is no need for tall RAM in these days of 1.5v and 1.35v memory (even lower with DDR4). Buy low profile or ultra-low profile RAM.
One aspect of Noctua’s heatsinks has not changed: the NH-D15S like the –D15, the –C14S, the -D14 and others, all use the SecuFirm system. If you mount one heatsink, you can swap it for another Noctua heatsink in minutes. They make a reviewer’s job much easier. NH-D15S Pros As usual, slower fans do not cool as well as faster fans, but they work more quietly. But here, running with two NF-A15 fans at 1200 rpm will be very quiet; and if you are willing to remount your heatsink until you get that “golden mount,” you can get very good cooling indeed. Conclusions The Noctua D15S is a most capable heatsink and it shows exactly why AIOs have not replaced traditional CPU cooling solutions. Plus, there is literally no maintenance with the D15S. Yes, AIOs don’t require maintenance but the liquid mixture inside them does eventually breakdown and they have been known to fail and even ruin systems with water going everywhere. These situations are rare but nevertheless do occur. Conclusion Attach the fan to the cooler as previously, making sure it is facing the desired direction ( airflow arrows can be seen on the side of the fan). Connect the fan to the 4-pin PWM connector once it’s been installed.
Conclusion
Now, let’s pull out this heatsink and take a look. I took this picture upside down, so let’s see the NH-D15S rightside-up. Yup. It is definitely asymmetric. The picture on the right shows a standard NH-D15. See how close it stands to the network card in the first slot. In the picture on the right, we can see how the NH-D15S stands a centimeter to the left. The box for the Noctua NA-HC4 chromax.white maintains the same aesthetic as other Noctua product boxes and displays the compatible heatsink model numbers on the front. You prefer low noise levels: This cooler is equipped with a quality NF-A15 fan for improved and quieter performance, making it ideal for users who prefer a quieter PC environment.
The customization Noctua now provides with their chromax line further strengthens their already strong lineup of industry leading fans and heatsinks. Noctua NA-HC4 chromax.white ReviewThe Noctua NH-D15S is a fantastic value. Yes, it’s a bit more expensive but it’s well worth the investment. Not only does it rival AIOs in performance, it does so while maintaining a much lower noise profile. Plus, this heatsink can be carried over every time you upgrade or rebuild your computer. Lastly, Noctua brings a level of quality to the table that few manufacturers can match. The NH-D15S is no exception and its 6-year warranty is among the highest in the industry. Having forged their reputation on amazing performance, exceptional quality, and ultra-low noise levels, Noctua stands out as a premier manufacturer of PC-cooling products. Their can't-miss color scheme of tan and brown may not be to everyone's taste, but it does make them stand out. In fact, just about anyone who has ever built a PC can spot a Noctua product. That awareness paired with the knowledge that they offer some of the best warranty and after-sales support of any PC-cooling company has certainly garnered them a great deal of favor among enthusiasts. Well, that and their long-lived support. Looking at our results, we see that three fans cool no better than two fans, with substantially more noise. Comparing the pair of 1200 rpm A15’s to a single 1500 rpm A15 shows that the pair of 1200 rpm A15’s cool this heatsink about the same as the single 1500 rpm A15 cools it, but more quietly (Not that the NF-A125 1500 was all that loud). In essence, I tried to do all the things you might find logical to try. I used two different mounts to compare the cooling. I mounted the NH-D15S a third time with the fans blowing up – I had recently tested the NH-C14S heatsink and found a 5 degree difference in cooling, depending on how I mounted it. So I tried this vertical mount to see if it made a difference in how well the D15S cooled. The results are presented in different charts to keep the different mounts separate.
You don’t need the extra features: If you don’t require the specific features offered by the NH-D15S, such as the asymmetrical design for RAM clearance, and you’re content with a more basic cooler, you can opt for a simpler and less expensive cooling solution. Final Remarks
Noctua Chromax Upgrade
After seeing the chromax heatsink cover in person, I can’t imagine building with it. While most aesthetic add-ons are a waste of money, the NA-HC4 can be seen and enjoyed every day if you are one of the many with a case that has a tempered glass side panel. The sheer quality of the covers and the stark change they have on the looks of your PC is well worth the price. Performance
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