Category: Laing D5

Danger Den has decided to expand their product line and the first step in this expansion is the Monsoon D5 Bay Reservoir. With a machined Delrin body and a front face of brushed-anodized aluminum with acrylic window into the reservoir body.

From the initial forum photos and debate to the end of testing, the PrimoChill Typhoon III has been one surprise after another. As I mentioned in the intro, I was one of the many (pretty much everyone) that were skeptical of running two loops from one Laing D5. Skeptical–ok, let’s be honest…we called it insane and other colorful terms that amounted to pointing and laughing. After the time I’ve spent on the bench with the T3, I will gladly admit I was wrong–the dual loop capability and performance are a truly revolutionary leap forward with the D5. The proof is in the data, and the last three charts show exactly what the Typhoon III can bring to your loop. You can easily run two full traditional loops off ONE Typhoon III with D5. That takes a whole bunch of the loop cost and sticks it right back into your wallet (for more water cooling parts of course). You can snag a major performance improvement that costs less than providing pump power and reservoirs for that second loop.

All of the tops included in the comparison fit the Laing D5, which is re-branded by Swiftech (MCP655) and Koolance (PMP450). I cannot verify if the tops work on previous version of the Laing Dx, but have heard from the LC community that Laing D4’s can use the tops. Each of the aftermarket tops included in the comparison are full replacement for the stock top that we all have become used to on the D5. Aftermarket tops have become standard for the Laing DDC series, but the D5 is new territory. As a owner of many D5’s, I am happy to see options for the D5 as the stock top has always left the users wanting to customize and push the solid D5 further.

The EK D5 X-Top Rev.2 is the second revision of the EK D5 X-Top, this revision is entirely different from the original except for the EK styling and quality. Unfortunately, results were never released for Rev.1 and the performance numbers have always been left to speculation. Thanks to the Liquid Cooling community and their everlasting search for performance numbers coupled with the generosity of Eddy, we will not have to speculate on this revision.

The Detroit Thermo top provides a nice performance boost to the stock D5 top. If you notice in the scatter plots, the Detroit Thermo top provides a slight increase in flow rate over the stock top, all while increasing the Total Dynamic Head Pressure at almost every flow rate tested, only below 0.5GPM does the stock top outperform the Detroit Thermo top. However, that amount of restriction is not a “real world” loop. Anyone with that amount in their loop should really look at adding a second loop, as the cooling performance in their loop is greatly degraded…but that is completely different topic.

The Koolance COV-PMP450A is the Acetal version of the Original COV-PMP450A that was made out of aluminum. Aluminum is being removed from the Koolance line up thanks in part to the Liquid Cooling community’s obsessant campaign to get all of the companies producing liquid cooling components to cease and desist. Koolance has been listening and is revising the majority of their product line, this is fantastic news for the Liquid Cooling community and I look forward to testing more Koolance products in the future.

Pump Curves or P/Q (P is pressure, Q is flow) curves are derived from two measurements, flow and pressure, and the P/Q curve is just a visual representation of the relationship between flow and pressure. For the curve, maximum flow rate (GPM, LPM, LPH) is the X axis and Pressure (PSI, kPa, mH2O, ftH20, mBar) is the Y axis.

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