Testing Methodology

For testing ATX cases, we use the following standardized testbed in stock and overclocked configurations to get a feel for how well the case handles heat and noise.

Full ATX Test Configuration
CPU Intel Core i7-875K
(95W TDP, tested at stock speed and overclocked to 3.8GHz @ 1.38V)
Motherboard ASUS P7P55D-E Pro
Graphics Card Zotac NVIDIA GeForce GTX 580 (244W TDP)
Memory 2x2GB Crucial Ballistix Smart Tracer DDR3-1600
Drives Kingston SSDNow V+ 100 64GB SSD
Western Digital Caviar Black 1TB SATA 6Gbps
Samsung 5.25" BD-ROM/DVDRW Drive
CPU Cooler Zalman CNPS9900 MAX with Cooler Master ThermalFusion 400
Power Supply SilverStone Strider Gold 750W 80 Plus Gold

A refresher on how we test:

Acoustic testing is standardized on a foot from the front of the case, using the Extech SL10 with an ambient noise floor of ~32dB. For reference, that's what my silent apartment measures with nothing running, testing acoustics in the dead of night (usually between 1am and 3am). A lot of us sit about a foot away from our computers, so this should be a fairly accurate representation of the kind of noise the case generates, and it's close enough to get noise levels that should register above ambient.

Thermal testing is run with the computer having idled at the desktop for fifteen minutes, and again with the computer running both Furmark (where applicable) and Prime95 (less one thread when a GPU is being used) for fifteen minutes. I've found that leaving one thread open in Prime95 allows the processor to heat up enough while making sure Furmark isn't CPU-limited. We're using the thermal diodes included with the hardware to keep everything standardized, and ambient testing temperature is always between 71F and 74F. Processor temperatures reported are the average of the CPU cores.

For more details on how we arrived at this testbed, you can check out our introductory passage in the review for the IN-WIN BUC.

Last but not least, we'd also like to thank the vendors who made our testbed possible:

Thank You!

We have some thanks in order before we press on:

  • Thank you to Crucial for providing us with the Ballistix Smart Tracer memory we used to add memory thermals to our testing.
  • Thank you to Zalman for providing us with the CNPS9900 MAX heatsink and fan unit we used.
  • Thank you to Kingston for providing us with the SSDNow V+ 100 SSD.
  • Thank you to CyberPower for providing us with the Western Digital Caviar Black hard drive, Intel Core i7-875K processor, ASUS P7P55D-E Pro motherboard, and Samsung BD-ROM/DVD+/-RW drive.
  • And thank you to SilverStone for providing us with the power supply.
Assembling the Rosewill Ranger Noise and Thermal Testing, Stock
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  • Iketh - Wednesday, December 14, 2011 - link

    IIIIIIIII find this hard to believe... motherboards have plenty of flex
  • ShieTar - Wednesday, December 14, 2011 - link

    Sure, but operating them while bent, with maybe some thermal cycling on top, does not sound like a good Idea.

    Of course, if the routing is this bad, why not just leave it be and live with the cables within the case, like it has been done with any case before 2008 or so. I'd rather have a somewhat uglified interior and a slightly disturbed airflow, rather than turn assembly into a comical "You sit on it, I close it" episode.
  • piroroadkill - Wednesday, December 14, 2011 - link

    Oh, I got a new case, Fractal Design Define R3, now, and made sure to bear this fact in mind.

    My system is OK now, although I do have a new board.
  • piroroadkill - Wednesday, December 14, 2011 - link

    Well, you can find it hard to believe, but when I was about to fit a new motherboard, I unscrewed my old one, took it out, put my brand new one in, and noticed there was a gap of about 4mm or something silly between the motherboard and the standoffs near the bottom of the case.

    I had to push the crap out of the tray to get it back to flat, so the motherboard would actually sit flat on all the standoffs.

    My old motherboard had clearly been bent by the motherboard tray. I'm not sure why that's unbelievable.
  • kyuu - Wednesday, December 14, 2011 - link

    I believe what the poster found hard to believe was that the motherboard flex was the cause of your issues, not that the tray was in fact bent and, therefore, flexing your mobo. Although, usually the side panel of the case will bend outwards rather than pushing the motherboard try in, since it is generally going to be a lot more flexible than the tray.

    I would have to concur with that poster, unless there was really an extreme amount of flex going on with your mobo.

    However, I would concur that case manufacturers really need to provide enough space to actually route cables behind the tray and enable the side panel to go without an overt amount of force and/or bending the side panel out.
  • IvanChess - Wednesday, December 14, 2011 - link

    I own the Rosewill Gear X3 and it has lots of plastic and it uses a pass-thru cable instead of a motherboard header for the USB 3.0 (my motherboard doesn't have that so no big loss and you can buy a converter) but it was actually a nice build for under $50 at the time. Lot's of room inside and behind the motherboard tray plus it has a hole for the ATX CPU power cable at the top of the case. The top fans are mounted in plastic outside the case which looks terrible but keeps the inside roomy. In conclusion, the case looks cheap and is cheap but it is very functional especially if you replace the fans and add a fan controller.
  • DanNeely - Wednesday, December 14, 2011 - link

    I picked one of those up during the sale too to give my 2ndary box a case that wasn't an exercise in frustration/impossible to get a full size GPU in. The Gear x3's plastic has just a hint of gloss but is much more heavily skewed toward matte. Cable space was a bit tight; but as long as you use right angle sata connectors and make sure none of the fat cables are overlapping the panel goes on reasonably easily.
  • IvanChess - Friday, December 16, 2011 - link

    The plastic is mostly matte but it is a different black from the rest of the case so it looks weird. Also, I should have said the case has plenty of room for cables given the price tag although using right angle SATA connectors I did fit three drives into the case without much problem and zip-ties (with handy tie down points built-in to the case) can really compress the cables so they fit into that channel behind the motherboard.
  • mfenn - Wednesday, December 14, 2011 - link

    "The routing holes around the motherboard tray are seeming slightly off center, especially around the side-mounted SATA ports, but your mileage may vary; side-mounted SATA ports on a full-sized ATX board are going to result in serious cable bending."

    Dustin, here's PROTIP for you: Other motherboards exist in this world besides the P7P55D-E Pro. Many of them even have 90 degree SATA ports in different locations! Interesting concept, I know.
  • Dustin Sklavos - Wednesday, December 14, 2011 - link

    "Your mileage may vary."

    Stunning, I know.

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