Primochill Typhoon III

The single loop charts are nothing new if you have read pump reviews before, as I said, it is easy to get caught up in the performance of the dual loops configuration, but as you can see above, the T3 is competant in the single loop department too. Nothing to write home about, but no slouch either, comparable to the Koolance top or sticking with stock. Though I look at a single loop as someone just waiting to upgrade and go for dual loops. Running two loops off a single pump was taboo on the hard core, more serious cooling forums. Well, the Typhoon III changes the game up bringing the capability of running dual loops without kissing your loop (both of them) performance good-bye.

As you are reading this next chart, be sure to keep in mind that these are only the pressure measurements on one of the running loops, the other loop is adjusted to a specific flow rate and maintaining its own head pressure. I could not come up with a good way to display this concept visually, so I have to rely on my non-engineer speak. Separating out one long serial loop into two loops, you reduce the amount of restriction that serial loop has to overcome. Reducing restriction means a higher flow rate which actually boosts the efficiency of the pump back up the performance curve.

Vapor and I were trying to get a remixed version of Martin’s Flow Estimator ready for this review so you could play with the numbers between single loop and dual loops on the Typhoon III yourself, but we’re still working the kinks out even though Vapor has worked the equations every way from Sunday. What he came up with and the explanation are posted at XtremeSystems. We hope to have the Flow Estimator (currently named Loopilator) ready for release soon, and will post on the main page when it is available.

As I mentioned previously, thanks to the PEC and its pressure regulating function, the top and bottom ports are so closely matched for output that you can choose whichever one fits your loop layout needs the best–chalk another one up to the PEC.

Okay, okay, enough of my blabbering…on to the dual loop PQ Curves.

System Flow Rate Tests

I was having a hard time figuring out the best way to properly display the System Flow (through the pump) improvements the Typhoon III unleashes when you are using dual loop configuration in a format similar to the way it has always been done. The reality is that the T3 is going to rewrite a lot of those “old school methods”. After much debate with Vapor and a lot of input from various forum members I decided to just plumb up some loops using different radiators, CPU blocks and GPU blocks. This is a very simple test, one that we all have done by building our own loops. Just add the loop components, fill/bleed and use the “system”. These tests are the flow rate for the loop. For the regular D5 and DDC tops there is one serial loop. Thanks to the dual loop configuration on the Typhoon III, we can split the loops. I decided to split the loops how I would inside a case. Lower Inlet/Outlet for GPU blocks with radiator(s) and Top Inlet/Outlet for CPU and radiator. The loop order does not matter, the individual components will not change their restriction properties by being in a different spot in the loop, or on a different loop altogether. While this is a simple test, it is a full disclosure of pumping performance.

Note: Chart and graphs contain measurements for each split loop on the Typhoon III, the Lower and Top Inlet/Outlet flow rates are not a single serial loop. The Lower and Top Inlet/Outlets were measured with two flow meters, one for each Lower and Top Inlet/Outlets.


Here is the data table that feeds the three System Flow charts.

Test Loop 1

The first loop is a simple CPU and single GPU loop with a radiator after each block. I tossed in a Swiftech GTZ, EK-9600GT and 2 XSPC RX360 radiators. On the Typhoon III, the Top Inlet/Outlet had the GTZ and 1 RX360 while the Lower Inlet/Outlet had the EK-9600GT and a RX360. The single pump serial loops are still well in the target range for a good flowing loop, the Typhoon III boosts System Flow up to 3.47GPM. Yes, I said 3.47GPM!!!

Test Loop 2

After running the first loop, I wanted to see an extremely restrictive loop…let’s stomp on the T3 a bit and see what happens. I went a little crazy and decided to run a Koolance CPU-350 and EK Supreme for blocks with a Swiftech MC320 and HWLabs GTX360 for radiators. Flow rate on the serial loop was actually higher than I expected, I was predicting lower than 0.5 GPM in serial. For the Typhoon III, the CPU-350 and MCR320 were on the Top Inlet/Outlet and the Supreme with GTX360 took the Lower Inlet/Outlet. Typhoon III comes closer than 0.25GPM of tripling the System Flow Rate (flow through the pump) achieved by the other pumps with aftermarket tops–Yes–nearly tripling the system flow rate. If your heart’s not beating noticeably faster by this point…you’re either not a hard core water cooler, or you are so hard core you passed out after the first graph.

Test Loop 3

Now that I have the crazy lab technician torture the T3 loop out of my system, let’s load up an SLI loop…only with a bit extra. This time we loop a HeatKiller LT, RX360, two DangerDen GTX295’s in serial, a Swiftech MCR320, and let’s add a HWLabs GTX360 in for kicks. This is a lengthy serial loop and although I personally would not run all of that off one pump, we see people do it. Anyone shocked at this point that the Typhoon III is able handle the loops with no problem, cranking out 3.16 GPM or more than doubling the serial flow rates of the other 3 pumps? As I was packing up all the test gear and entering the data into Excel, the thought occured to me that it would have been interesting to crank the power setting down on the D5 vario until the T3’s performance matched the other pump top’s flow rates. Not that anyone reading this review would ever run it at less then full power, I am curious. Ah well, that is a test for another day.

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