As with their Raven RV04, I'm left with mixed feelings about the SilverStone Fortress FT04. In terms of build quality and adjustability, I think it's worth the premium over the Raven RV04, and frankly as far as air-cooling cases go I have a hard time really suggesting anything better. I think I still slightly favor the old school Fortress FT02, but it's bigger, bulkier, more expensive, and comes with its own idiosyncrasies when it comes to assembly.

If performance is your only concern and you plan to stick with air cooling instead of more exotic options, the Fortress FT04 is basically your weapon of choice. Closed loop cooler support is limited to 120mm options, but exists. This case pretty much demands a multi-GPU configuration with blower-style coolers on the cards, and you're going to get almost exactly the performance you want out of it thanks to the broad range the two included speed-controlled fans are able to run at.

Yet the Fortress FT04 and its sibling, the Raven RV04, is frustrating. Incredibly so. It's obvious where SilverStone was going, but the process of adapting the brilliant Temjin TJ08-E to a full ATX form factor wound up becoming incredibly fraught. This feels like a case that was stubbornly pushed further and further into production even when it proved to be potentially more trouble than it was worth, and really, the chimera that this case became should've been killed and rebooted early on. At some point, someone should've said "no, this is getting too complicated, we need to start over." I can't imagine it's particularly easy or cheap to manufacture the chassis itself, let alone the fascias, but it could've been simplified without losing the essence of what makes it work.

I've spoken to a lot of case designers since I started covering enclosures here at AnandTech, and my number one piece of advice has almost always been "pay attention to what SilverStone is doing." If I were designing a case right now I'd take a very hard look at the FT04's chassis and start thinking about how I could refine it into something cleaner, simpler, cheaper to produce, and easier to work in. If you're willing to put up with its myriad quirks, the FT04 is a dynamite performer. I just find myself too caught up in "what could've been" to be happy with what "is."

Noise and Thermal Testing
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  • maximumGPU - Thursday, August 29, 2013 - link

    Great review.
    It doesn't seem to perform a lot better than the AIR 540, not at the same noise levels at least.
    So taking into account all the quirks and the high price wouldn't that make the 540 immediately the better choice?
  • meacupla - Thursday, August 29, 2013 - link

    AIR 540 is not without its own set of faults.

    One gripe I would have, if I were to buy it, is that it has no mounting holes for caster wheels, which is kind of essential for a cube case that you can load a ton of hardware into.
    And another is why are the 5.25 bays vertical?

    I wonder why silverstone didn't go for an updated FT02 design? That case was extremely well thought out and only needed minor tweaks for E-ATX, 8x PCI slots and more HDD racks.
  • 1Angelreloaded - Thursday, August 29, 2013 - link

    The 540 Air isn't large enough for casters, this isn't a 2x2x2 foot cube like a UFO from MM, and you are right about the 5.25 bays but if you are wiling to do a little leg work and Mod the case you will find it is simply amazing. Start by turning it on it's side, window up, if you need casters attach them to the bottom or what used to be the side panel, well you have a start at least.
  • meacupla - Thursday, August 29, 2013 - link

    You must be thinking of large casters...

    I've fitted 2" plate casters on my fractal define define mini and it doesn't tip over, despite its small footprint.
  • Samus - Thursday, August 29, 2013 - link

    It still seems like the FT01 is still their best "regular" case, which I believe was their first positive-pressure case which really made them stand out as a manufacturer. It was basic, and had some flaws (like no back-plate access on the motherboard tray, and no good implementation for SSD/2.5" drives) but it wasn't overengineered like the newer cases...I mean the story with this FT04's door is ridiculous.

    But if you ask me, the FT03-mini is the best computer case ever made. You could pack the most powerful consumer-class CPU, a 550-watt SFX PSU, a GTX 770, optical drive, water cooling and an SSD + 2GB 2.5" + 4GB 3.5" hard drive inside a case less than 2 sq.ft. big.
  • kwrzesien - Thursday, August 29, 2013 - link

    It's funny, I have a FT01 (Silver - and I love it) and have recently considered the FT03 and FT03-mini for a small aesthetic build to go in the home study / office sitting on a full-wall built-in cabinet and shelving system. It's not too deep but there is plenty of height which fails most cases. And you're right, you can put everything you need in that little case and it even hides the back (top) cable connections, problem solved!
  • althaz - Thursday, August 29, 2013 - link

    No, the FT02 (with USB 3) is their best case. In fact, it's THE best case. Ever.

    I may be biased because I'm somewhat in love with it (it's the case my current PC resides in), but it's silent, performs superbly, looks good and makes life incredibly easy (the back of the motherboard points to the top of the case, so it's super-convenient to plug/unplug things).
  • GokieKS - Thursday, August 29, 2013 - link

    If the FT-02 didn't have the issue with non-blower GPU HSFs and optical drives in top 5.25" bay blocking PCI/e slots, I might agree with you. I also wish it was all aluminum and thus lighter, but that's a more minor quibble.
  • althaz - Friday, August 30, 2013 - link

    I haven't used a non-blower GPU for years. I'd forgotten there was an issue with the top 5 1/4" bay.

    That said, I didn't say it was perfect (it's still my favourite), it needs:
    More space behind the motherboard, more than one hot-swap bay (all the 3.5" bays should be hot-swapable), should be easier to assemble and...actually, that's about all I'd change.
  • maximumGPU - Saturday, August 31, 2013 - link

    it doesn't exactly have an issue with non-blower GPU, it's just that it performs best with blower style.
    My current GPU in an FT02 has a non- blower heatsink, yet temps are great.

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