Danger Den D5 Monsoon Premium

Comparison Data

Single Outlet

With PQ for the Danger Den Monsoon covered, time to take the data and compare it to other D5 Tops. But that’s not all for comparison, to compare further we hook up each pump we test to two sample loops representing common scenarios that we see in the wild and measure the total flow rate of the loop. In the flow rate charts, we include similar pump/top combos to show how the PQ testing relates to actual loop performance.

Compiled PQ for tested D5 tops D5/MCP655 CPU Test Loop Flow Rates D5/MCP655 SLI Test Loop Flow Rates

The Danger Den Monsoon does not have the top PQ curve or net the highest flow rates in our test loops, but neither does the other Bay Reservoir we have tested. I will hit on this more in the conclusion, but will state here that the results are close to the stock D5, and the reason for moving to a Bay Reservoir setup is probably not for all out performance, you have other factors going into your build.

Parallel Testing

Now that we have our traditional PQ and Flow rate performance covered, we need to touch on a feature of the Monsoon, which allows for two outlets. The two outlets are fed off the single pump, which allows you to run another loop from the same pump. Well, to be clear, I prefer to call the use of both outlets subloops instead of loops. Yes, a matter of semantics, but the concept of a loop is a concrete term for us water-heads, so we will refer to them as ‘subloops’.

The parallel testing was performed using the components from our standard flow test loops, only differences being the EK X-Top Rev.2 had a Y adapter at the outlet and each loop had its own flow meter. Since we take two flow measurements, we labeled the subloops A & B and we also include a serial test. Three different test configurations were run and the details for each subloop are noted in the image box when viewing the charts full size sans Flow Meters and Reservoir.

Parallel Loop #1, 1A contains  EK Supreme HF Plate 4, 1B contains Swiftech MCR320 Parallel Loop #2, 2A contains EK Supreme HF Plate 4 and a Swiftech MCR320, 2B contains Swiftech GTZ, 2x Danger Den 6800 (Serial), Swiftech MCR320 Parallel Loop #3, 3A contains Swiftech GTZ and a Swiftech MCR320, 3B contains 2x Danger Den 6800 (Serial)

This testing does not show temperatures, but that is a completely different set of parameters and testing for another time. Overall, the Danger Den Monsoon in parallel configuration and EK X-Top with Y adapter are even. Considering the PQ and flow advantage the EK top had in serial, this shows quite well for the Monsoon when adding in blocks to your system and not having to add a pump. Parallel subloops certainly present some interesting options for your system as you look to expand and one more alternative to consider.


There have been many discussions on the pros and cons of parallel subloops, and regardless of what has transpired in those discussions, I still see parallel subloops as an interesting option for starting a basic loop and expanding as you become more comfortable with water cooling. That is not to say the Monsoon is a beginners product, the thread at XtremeSystems serves as evidence that a bay reservoir pump has piqued the interest of all user levels. Finding a good spot to put your pump(s) when laying out your build always seems to be a head scratcher, the pump never really fits where you want it to… so why not combine a good-sized reservoir, pump top and mounting system in one.

During assembly and testing, we only encountered two minor issues—three if you count my confusion on the light push buttons–, first being the bulge on the cap or lid of the D5 cover. I do consider the cap fit minor, since it will be hidden in the drive bays. However, if you run into the same issue, a quick hit with the Dremel or a file should resolve the fit. The other is one I did not mention previously since it is not really an issue, more of a precaution, the threading on the mount cylinder is very fine and just take your time threading it into the body of the Monsoon. I mounted the pump to the reservoir body by laying the Monsoon level on its face and with the pump in proper spot slid the cylinder over and started twisting slowly verifying it was staying level. I did have to restart the twisting/threading of the cylinder once or twice, but just take it slow and verifying you are threading the cylinder properly and you will be on your way to looping the Monsoon up.

Last but not least, performance. We had an extensive look at how the Monsoon performs in single outlet (traditional) configuration and running parallel subloops using both outlets. Single outlet performance comes in a bit below the stock Laing top under 2.0GPM and essentially matches stock above 2.0GPM. The real world effect on your loop is negligible, and does not limit your loop configuration in any way as was displayed in the flow rate tests on our sample loops. All bay reservoirs with an integrated pump top start out with a disadvantage that most traditional tops do not have. The disadvantage being a 90-degree elbow at the outlet. The elbow at the inlet or outlet does affect performance as we have seen in testing other tops. If this disadvantage is eliminated, we will see better single outlet performance in future versions of the Monsoon. In dual outlet testing, we saw the Monsoon catch up to the PQ leading EK X-Top Rev.2 with a Y adapter, so do not cut the Monsoon short because it does not match Laing stock in single outlet PQ or test loop flow rates. You will not see me recommending dual outlets over single outlet or vice versa, I will leave this decision up to you same as I would on color choices in your build… That all depends on your specific build and the goals you have set for yourself. However, I will reiterate that dual outlets or even a Y adapter allow you to add components and keep the single pump or split your loop and get a flow rate boost.

Overall, Danger Den’s move to expand their product line starts out with good showing and helps solve the ‘where should I put my pump in the case’ dilemma. Lucky for you, many different color options are available and you can find the right mix to fit the color scheme of your build too. With that said, time to wrap up this review. A special thanks to Danger Den for sending over a Monsoon to test and thanks to you for reading.

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