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 Antec Neo ECO 620W (included with enclosure)

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.
Assembling the Antec Sonata IV Noise and Thermal Testing, Stock
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  • inspire3 - Friday, June 10, 2011 - link

    Nice Review.

    I hope Antec uses this review to get back to being the leader in cases again. I've bought my first Cooler Master case in a long time (Centurion 5 was the last CM I bought). Now I am buying a CM HAF 932. Its looking like I'll be moving to CM or InWin. :( Come on Antec, Longer and Wider cases.

    I have a P182, P183 and 2 300 cases.
  • fb39ca4 - Sunday, June 12, 2011 - link

    That's what she said.

    This case looks kind of disappointing. You could get a $50 dollar case with more features, a decent 600w psu and quieter fans for less.
  • TrackSmart - Friday, June 10, 2011 - link

    I've always liked the Sonata line (My current build is in a Sonata III), but I'm not sure that Antec has gone far enough in this rebuild to justify the higher price. Some observations:

    On the old Sonata III I had to put the fan-control wire through the back of the case so I could change the speed without opening the case (kind of ghetto). I'm glad such "hacks" are no longer necessary. That said, why doesn't Antech include a smarter fan whose speed can be controlled by the motherboard? It's now a $160 case - they can afford to do that now.

    And the price increase seems unnecessary. There are few new features. The beauty of the previous models was that for $90 - $100 (online) you got a classy looking case, that was reasonably quiet and came with a quality powersupply. At the current price point, there's a lot more competition, and Antec hasn't stepped up their game in terms of features or design.

    I *have* seen a failed Antec PSU (on my previous Antec case). But you know what? Even though the case was 2 years and 11 months old (on month away from the end of the warranty) Antec sent me a new one and didn't fuss in the least about it. So they have earned some loyalty from me for their good customer service.

    I just wish they'd stop being just a few easy steps away from making a truly gread case!
  • TrackSmart - Friday, June 10, 2011 - link

    One last thing: Nice review. It's sad the the street price of the old Sonata III seems to be *higher* than it used to be. Given how it's aged, I couldn't justify spending $120 on it for a new build.

    Dustin, what's your new recommendation for the $100 price bracket? (Something with a design that an adult won't be embarrassed to have in the family room.)
  • nowayout99 - Friday, June 10, 2011 - link

    I like Antec's Sonata line. I've used a Solo for 2 build generations now because I wasn't able to find a suitable newer replacement for my Sandy Bridge build a few months back. It even has decent cable management to boot.

    I like the Sonata line because they're clean and simply designed. They're almost old fashioned in their simplicity by today's gaudy standards. Cases are getting bigger, uglier and louder, which is turning me off every step of the way. Openings for half a dozen fans = more noise = wrong direction for me.

    All that being said, the Sonata line could use some update tweaking. They don't need to reinvent the wheel as far as how HDDs or PSUs are mounted. Does it REALLY matter? Just keep it true to its purpose -- clean, simple and quiet.
  • rgsaunders - Friday, June 10, 2011 - link

    Local pricing in Kingston, ON is 109.99 after $20 MIR, quite reasonable considering the enhanced power supply, however, I do think it is time for them to make the case a little deeper and wider so that enthusiast level components can be fitted easily, Antec needs to do a little demographic research.
  • Hrel - Saturday, June 11, 2011 - link

    It's overpriced and doesn't offer silent enough operation or tooless enough design.
  • velis - Saturday, June 11, 2011 - link

    I had sonata 1 and I almost laughed when I read about all the woes you had:

    I had the exact same problems with PSU in the original. That crossbar is insane and to top it all off, the PSU vibrates against it (in time) which was the ultimate reason I changed the case for.

    Also the video card clearance - OK, they added half an inch, but that is only enough for mid-high end cards - this is ridiculous. I don't buy dual GPU cards, but still I'd like enough clearance to not break my fingers every time I mess with my gfx card.

    And finally the drive mounting: I must say I liked the mounting in the original Sonata: it reduced the vibrations and made more than enough room for my drives, all of them easily manageable. The only thing I missed was the pre-mounted power and sata connectors so that I could just slide the drive in and it would be plugged in already.
    Looking at the pictures and reading your woes, I see that they got even worse in the latest generations: I now have a P180 and its bottom drive bay is a nightmare to handle. You break your fingers and still the cables rattle against the fan mounted 5cm after the darn thing.

    While at P180 I must also say comment on those tri-speed fans: they are a bunch of rattles. The only tolerable setting is low and that one does not cool. I ordered decent fans TOGETHER with the P180 order and replaced them immediatley. They never saw a volt from my PSU.

    I moved to P180 because I hoped for better cooling. SPCR was praising the case left and right. Turns out the Sonata was just as good. I went water after that.

    That said I must agree that this is one of the most beautiful cases around...

    Any chance for a review of a really minimalistic case? As small as possible still fitting an ATX Motherboard?
  • Dustin Sklavos - Saturday, June 11, 2011 - link

    I had a P182 and honestly I kind of miss it. Cooling is very effective, and the P183 does solve a lot of the problems the P182 had: there's a hole in the motherboard tray for heatsink backplates, and that stupid center fan in the bottom chamber was moved to the front of the case.

    Once I've cleared my current queue of cases, I'll start explicitly requesting some smaller cases.
  • Daeros - Saturday, June 11, 2011 - link

    I built my most recent computer a bit over 2 years ago now, and I love my case. I have the antec 300, and it is fantastic. No, it isn't silent, but it supports a 3.8GHz overclock on an i7 920 and xfire 4870s with no issues. and it idles very quiet. Just don't get the one with the crummy 2 speed led fans. Plus it only $60, leaving plenty left over for a very nice psu of your choice.

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