XSPC Raystorm X2O 750 RS240 Extreme Universal CPU Water Cooling Kit

Posted: February 16, 2013 in Blocks, Fans, Kits, Pumps, Radiators
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Phase 2 Thermal Testing Gentle Typhoon @ 100%

So, kit testing may be critical to evaluating the kit performance, but replacing the fans with something different or better is also a fairly easy upgrade to do.  The Gentle Typhoon AP-15 has been a top performer for me in past flow bench testing, so I have been using them to do a phase 2 test using these as the same fan.  They did make a fairly dramatic improvement over the XSPC fans, they are not cheap at $15.95 each, so the upgrade would be almost $32 or about a 22% mod cost increase.  Regardless, they are very good fans and arguably one of the best out there.

This was my result mounting the GT AP-15s in place of the XSPC fans:

XSPCRaystorm750kit-TH05

The XSPC fans at 1681RPM gave me a 44.37 result, so upgrading to GT AP-15s reduced temperatures by 2.4C, not bad.  More importantly, despite their higher RPM, noise levels also reduced from about a 50.6dbA down to 47.5dbA which is a solid 3dBA lower noise level.

$32 is expensive, but in context with your typical 1-2C gains from more pump or a better block (Which can cost upwards of $100), that’s a good upgrade and probably gets my vote as best XSPC kit mod.  Alternatively you could also by the non PWM helix fans on Amazon for about $6ea which are not quite as good as the GTs, but will probably net you a little better noise and performance than the XSPC fans for only $12.  The Helix fans are a little better looking with their white blades too.

Phase 2 Comparison

While I only have one other kit tested with these fans, it’s worthy of note.  Both Swiftech and XSPC are in the DIY or custom water-cooling business, so they have both put extraordinary efforts into bringing DIY performance down to these value prices in kits that perform extremely well.

XSPCRaystorm750kit-TH06

Using the Gentle Typhoon fans boosted the performance of both kits over their kit fans a bit and produced very much the same performance result.  We have a tie…no measurable difference using the same fans, both are generally high performance DIY kits.

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Comments
  1. Cookiejar says:

    Hi Martin,

    In your RS360 review, the out/in air delta was about 8.8 degrees for 1400rpm fans at about 200w of heat. In this review, given the smaller RS 240 but similar fan speeds and heat loads, I was expecting to see out/in air deltas of maybe 13 degrees? Otherwise, the air wouldn’t be able to carry away the same amount of thermal energy.

    However from your tests, the RS240 seems to be able to dissipate the heat of your overclocked 3930K with only an out/in delta of 3 degrees. This befuddles me, and I can’t understand how the system achieves thermal equilibrium. How is all the rest of the heat lost?

    What are your thoughts on this? Could there be some difference in your air temp measurements as compared to the measurements done in your radiator tester. Maybe the rest of the case air is mixing with the air out?

    Thanks and your site is a great read = ).

    • Martinm210 says:

      Disregard the air out in these kits. It is located such that it gets cold intake air from the front case fan and really not useful or accurate. The air out in my rad bench is controlled and accurate but it is very hard to measure air out without some sort of rad test bench.

      That’s the downside of case testing. It better represents thermals and noise but harder to measure something like air out when you have air coming in all over the place. In the kit testing air in and core temps are really the only thing I can control very well.

  2. Steve Vang says:

    So this kit has everything needed to water cool? No need to buy tubes and screws?

  3. kopi luwak says:

    Hi! I realize this is kind of off-topic however I needed to ask.
    Does running a well-established blog like yours require a lot of work?

    I am brand new to running a blog however I do write in my diary every day.

    I’d like to start a blog so I can share my experience and thoughts online.
    Please let me know if you have any kind of ideas or tips
    for brand new aspiring blog owners. Thankyou!

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