Before proceeding to the business end of the review, let us take a look at some power consumption numbers. We measured power drawn at the wall when the unit was idle (with the display still being driven over HDMI and without), one hour after subjecting the unit to Prime95 and Furmark simultaneously and when playing back a 1080p24 Blu-ray movie from the optical drive with HD audio bistreaming. In all cases, the Wi-Fi was active (no wired Ethernet). A wireless keyboard and mouse was also connected to the unit.

ASRock Vision HT 321B Power Consumption
Idle (Display off) 12.66 W
Idle (Display on) 14.3 W
Prime95 + Furmark (Full loading) 58.68 W
1080p24 Blu-ray Playback using CyberLink PowerDVD 12 28.04 W

The thermal solution used in the Vision HT 321B is very similar to the one used in the CoreHT 252B. We have already covered the thermal performance in detail in the previous reviews of ASRock HTPCs, and I found no discernible difference in the actual performance of the units. Full loading produces less than 35 dB of noise, and this is as good as what one can get with an actively cooled system.

The Vision HT 321B is definitely a good upgrade over the CoreHT 252B. By increasing the hard disk capacity, moving to DDR3-1600 for the DRAM and including dual-band Wi-Fi and Bluetooth support, ASRock has put in some thinking before doing an upgrade to the CoreHT lineup. Intel's advancements with Ivy Bridge (particularly, increased GPU capabilities and lower power consumption) also serve ASRock well in the upgrade.

It is almost impossible to avoid a comparison with the Mac mini which comes in with comparable specs for $599 (although it doesn't have a Blu-ray drive and has only a 500 GB HDD). At $680, there is a $80 premium for the ASRock unit, and all said, the PC ecosystem is preferred by more users for HTPC duties compared to the Mac mini. For readers looking to purchase the unit, I would advise a look at the Newegg reviews where there have been reports of internal components getting burnt when power is supplied. Our review unit has had no such issues in the last four months that it has been continuously on. However, such an issue is definitely possible and ASRock indicated that they are looking into it. Quality control and thermal design are aspects that ASRock need to pay more attention to in the future product lines.

HTPC Decoding and Rendering Benchmarks
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  • Death666Angel - Tuesday, November 13, 2012 - link

    I had a WD TV (the first one I think) and it always annoyed me that it could not decode DTS, which meant that I did not have dual audio for most of my library. It also lacked menu support and Blu Ray support. The menu was terribly slow and browsing a somewhat larger HDD was just awful.
    I'm sure those boxes have come a long way, but that was the point where I decided I would much rather go all in and have something that I know handles everything I throw at it in one way or another, than to have something that is cheaper and smaller, but worry about whether or not it will play everything I have the way I want it and be burdened by somewhat lacking software/firmware support.
    Easy browsing of the web and games are the added bonus and I always have a good back up PC in case one of them breaks and someone needs a quick replacement.
    If your set up has never failed you with a film you had, awesome. I have been disappointed by it too much to go back. :)
  • Jaybus - Tuesday, November 13, 2012 - link

    I have two WD-Live boxes and they do have their use. A PC brings several things to the table.

    To begin with, it brings adaptability. My biggest complaint with set top boxes in general is that it puts you at the mercy of the manufacturer for software fixes / features. When any of the online services change something, it may be months before an update is available. A HTPC is far more adaptable in terms of software.

    Another area is remotes. The WD remote is sluggish and is an oddball format that hardly any third party remotes can emulate.

    I can see why someone wouldn't care if they don't wish to play games. But it is damn handy to have real surfing capability along with a keyboard and mouse. Is there anything else it beats the set top box in besides surfing and games? Of course! It can do almost anything that a laptop can do! It essentially is a laptop.
  • prdola0 - Tuesday, November 13, 2012 - link

    Atom+ION might be quite slow, but for SFF HTPC usage, it served me quite well. I've been using it for the past two years and it still does the job. Of course it's not a gaming machine - it can't handle anything more demanding than TESIV: Oblivion with low details, but for casual Steam games like Machinarium, Worms Reloaded etc. it's completely sufficient. You shouldn't bash the Atom+ION combo so much. After all, it was the one thing that made this from factor popular, in my opinion.
  • Death666Angel - Tuesday, November 13, 2012 - link

    Kinda sad that AsRock does not provide a unit that has an AMD APU inside it. I don't think many HTPC uses are limited by single threaded performance and the better iGPU can make a difference when playing games on the big TV (I use my A6 Llano HTPC as a console sometimes). The only thing I could think of to stop the use of an AMD APU is power consumtion. Pity AMD chooses way too high voltages (I dropped mine from 1.4xxV to 1.15V at max turbo).
  • ericore - Tuesday, November 13, 2012 - link

    If you do the math, it costs them about 450$-475$ to build, but you only get a dual core CPU (TRAY: $225.00). Since Intel is charging so much for a mobile dual core, you might as well get the quad core for just under 300$. The whole system retails for 700$. Even at 600$, it would still be a crappy deal. A good deal would include 8 GB of RAM, and quad core CPU for 670$. To top off this shitty deal of theirs, they give you a piece of crap power supply adapter, and cheap plastic enclosure. Apple gives you a solid enclosure and a solid adapter, and ships with the same stuff for 599$.
  • ericore - Tuesday, November 13, 2012 - link

    This AMD system is much better value; complete build 250$. I would just wait for Jaguar since current E-350 isn't quite HTPC prime yet.
  • joetekubi - Tuesday, November 13, 2012 - link

    Form factor is great, performance would fit my needs, but just a little too procey.
    I may go for this 6-8 months from now when they version the platform and the old ones
    are available for (much) less.
  • valnar - Wednesday, November 14, 2012 - link

    How quiet is it? Does the fan speed up on load? Turn off on idle? What?
  • johnny_boy - Sunday, November 18, 2012 - link

    The product isn't bad but compared to a premium machine like a mac mini, the price of the ASRock makes no sense.
  • jeffkibuule - Thursday, November 22, 2012 - link

    Mac Mini only has integrated graphics. This system does not.

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