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Case, Cooling, And Power

System Builder Marathon, Sept. 2011: $2000 Performance PC
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Case: Antec Three Hundred Illusion

Enthusiasts often chide us for using cheap cases in our most expensive build, but there are a few things that set Antec’s Three Hundred Illusion apart from a typical budget-minded enclosure. Chief among them are solid quality and cooling.

Read Customer Reviews of Antec's Three Hundred Illusion


Antec’s Three Hundred is one of the least expensive cases we know of to use heavy gauge steel, increasing its ability to withstand years of hard use and hardware changes, while simultaneously reducing noise. The Illusion version also includes two 120 mm intake fans, making it the most affordable chassis able to support the cooling needs of a system with two GeForce GTX 580 externally-vented graphics cards and an overclocked Core i7 processor.

CPU Cooling: Cooler Master Hyper 212 Plus

One of the easiest ways we’ve found to increase the cooling performance of a case is to fill most of the void between its graphics card, side panel, and top panel with the largest heat sink we can find. It makes sense that bigger is better when it comes to heat sinks, but we’ve also found that larger cases that fit more loosely around the CPU cooler often perform worse. The Antec Three Hundred and nearly any 120 mm tower cooler are a perfect match.

Read Customer Reviews of Cooler Master's Hyper 212 Plus


It’s good that these are such a great pair because, quite frankly, Cooler Master’s Hyper 212 Plus is mediocre at best compared to similar designs from other manufacturers. Its performance should be adequate for our specific overclock needs however, and we didn’t have room in our budget for the more often used Scythe Mugen 2 Revision B.

Power: Seasonic SS-850HT

Seasonic’s basic 850 W power supply has proven to be an exceptional value through several of our $2000 builds, connecting the four PCIe power connectors required for our dual GeForce GTX 580 graphics cards to two 40 A, 12 V rails.

Read Customer Reviews of Seasonic's SS-850HT


Even more value comes from the units 80 PLUS Silver rating, and the only sacrifice we had to make was the exclusion of removable cables. All excess cables must instead be stashed away within the case.

Display all 120 comments.
Top Comments
  • 15 Hide
    anonymous x , September 20, 2011 5:45 AM
    decembermousePoor case decision. Inadequate PSU (did you seriously expect good overclocking results?).

    No, this case cools better than many (most?) cases more expensive than it. 2x 120mm intake is more than adequate for SLI cards with room for air to flow between them. Did you even look at the power consumption numbers? The system when overclocked only consumed 697w at load from the wall (actual consumption is less), while the PSU is rated at 850w.
  • 12 Hide
    cangelini , September 20, 2011 7:20 AM
    iam2thecroweand also, there is no crysis 2 benchmark? why not? get some newer games to use for benching toms please.


    Check out Scott Wasson's excellent story about Crysis 2 on The Tech Report. Tons of artificial geometry to favor Nvidia's tessellation-emphasizing architecture. Not sure that's something we want to fold into our benchmark suite. We are looking at new games, but bear in mind that as soon as we ditch these, we kill the comparison points from the previous quarter. That's why you don't see the SBMs shift benchmark suites as often!
Other Comments
  • 4 Hide
    wrazor , September 20, 2011 4:55 AM
    Great article. I am wondering, if instead you had gone with the EVGA 3GB GTX 570 SLI, maybe OC would have been possible? 2000$ is quite a bit of money. I wonder how these babies would hold out for Nvidia's 3D experience? Personally I am not a big 3D fan in theatres(headache and stuff), but gaming has to have a chance. You had an article on projectors gaming experience? Do it with 3d performance\eyefinity with the system marathon builds? That would be really cool. :) 
  • -1 Hide
    Yargnit , September 20, 2011 5:01 AM
    I'm actually surprised that after the recent micro-stutter article you didn't opt for 3x 570's/6950's/6970's instead of 2x 580's. the First two should be cheaper than 2x 580's, while the third would cost very similarly.

    All three should have provided at least equal performance, and been better on intangible benefits to micro stuttering.
  • -1 Hide
    DjEaZy , September 20, 2011 5:17 AM
    ... a bit of stagnation in performance department... no big difference in Q2 and Q3 models... gonna wait til bulldozer...
  • 15 Hide
    anonymous x , September 20, 2011 5:45 AM
    decembermousePoor case decision. Inadequate PSU (did you seriously expect good overclocking results?).

    No, this case cools better than many (most?) cases more expensive than it. 2x 120mm intake is more than adequate for SLI cards with room for air to flow between them. Did you even look at the power consumption numbers? The system when overclocked only consumed 697w at load from the wall (actual consumption is less), while the PSU is rated at 850w.
  • -1 Hide
    Pawessum16 , September 20, 2011 6:10 AM
    Where the heck did they get that SSD for $170????? It's $205 on Newegg, and that's after a $35 price drop. What a steal....
  • 0 Hide
    Hupiscratch , September 20, 2011 6:14 AM
    These SBM keep becoming cheaper. At first was 5k, then 2.5k and now is 2k for the enthusiast one. The recession is beating hard.
  • 8 Hide
    karma831 , September 20, 2011 6:21 AM
    All I can say is...WOW you guys have bad luck with overclocking.
  • -1 Hide
    jestersage , September 20, 2011 6:29 AM
    maybe one of the 120mm fans should have been placed on the side panel? just wondering...
  • 9 Hide
    iam2thecrowe , September 20, 2011 6:44 AM
    all i have to say is, ditch the crappy Gigabyte motherboard and get sonething better, and for the price difference get the i5 2500k, its no real loss to the i7.
  • -4 Hide
    iam2thecrowe , September 20, 2011 6:47 AM
    and also, there is no crysis 2 benchmark? why not? get some newer games to use for benching toms please.
  • 2 Hide
    crisan_tiberiu , September 20, 2011 6:50 AM
    I have my i7 2600k @ 4,2 GHZ. But @ 4,4 my PC will shut down in Intel Burn test extreme setting. Try that aswell :) , without disabling the CPU protection in BIOS.
  • 4 Hide
    shoelessinsight , September 20, 2011 7:11 AM
    Personally, I would have gone with a 1.5 TB storage drive and used the extra cash on a motherboard with more overclocking potential. Still, it's good to see a GPU upgrade.

    Thanks for the builds!
  • 3 Hide
    cangelini , September 20, 2011 7:16 AM
    pawessum16Where the heck did they get that SSD for $170????? It's $205 on Newegg, and that's after a $35 price drop. What a steal....


    It was purchased on Newegg about a month ago in preparation for this series, actually =)
  • 6 Hide
    cangelini , September 20, 2011 7:18 AM
    YargnitI'm actually surprised that after the recent micro-stutter article you didn't opt for 3x 570's/6950's/6970's instead of 2x 580's. the First two should be cheaper than 2x 580's, while the third would cost very similarly.All three should have provided at least equal performance, and been better on intangible benefits to micro stuttering.


    As you saw in that piece, micro-stutter was most apparent on more mainstream cards. Something like the GTX 580 isn't going to demonstrate the issues seen there, whereas a GTX 560/HD 6850 might.
  • 12 Hide
    cangelini , September 20, 2011 7:20 AM
    iam2thecroweand also, there is no crysis 2 benchmark? why not? get some newer games to use for benching toms please.


    Check out Scott Wasson's excellent story about Crysis 2 on The Tech Report. Tons of artificial geometry to favor Nvidia's tessellation-emphasizing architecture. Not sure that's something we want to fold into our benchmark suite. We are looking at new games, but bear in mind that as soon as we ditch these, we kill the comparison points from the previous quarter. That's why you don't see the SBMs shift benchmark suites as often!
  • 0 Hide
    hmp_goose , September 20, 2011 7:34 AM
    Very educational. Thank you for the insight on what panned out and what didn't. (Tower CPU coolers like to feel ducted?)
  • 6 Hide
    Crashman , September 20, 2011 7:42 AM
    decembermouseNow I know we'll see the usual "well this is meant to be a learning experience, learn from our errors and improve for next time" comments, but these are not mistakes I expect to see Tom's writers making.
    No, because the only serious issue with the build was the motherboard VRM not outputting enough current to go to 1.38V. Everything else was great, which means everything else you commented on was wrong. You only need to look at the power and heat page to see how wrong. The big question is, what we should sacrifice to get the extra $100...in order to achieve an extra 5% O/C with another motherboard.
  • 1 Hide
    ScrewySqrl , September 20, 2011 7:43 AM
    A question I have is why none of the system builder marathon PCs at any price level spend $15-20 on additional fans? More airflow usually equals a cooler system.

  • -5 Hide
    qwertymac93 , September 20, 2011 7:58 AM
    TBH i would've traded the 580s for 570s(or 6970s) and got a better case. The 300 is a nice case on a budget, but this is a high end enthusiast PC, we can spare a few extra $ for better cable management, more airflow, better water cooling support, more expansion slots...

    Overall the build certainly wasn't bad, just not quite 10/10 for me :) 
    Oh, and do you think the overclocking would've been improved with a cooler that blows over the vrms, like the Cooler master GeminII S?
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