I don't want to make a new thread, so I thought I post it here. Because I am on the last steps to bring the A4-SFX to market I had to deal with laws that need to fulfill to sell a case in the EU. dyonoctisVRM wise Buildzoid was pretty satisfied with the current offering, if you are going high-end you get 10 phases at the minimum, and the mid-range got 8 phases.Buildzoid's VRM analysis of the various mITX boards was indeed reassuring. A Rzyen 7 7800X3D and compact, dual-slot 4070 is about the most I'd want to try and shoehorn into an mITX box. By the time you're adding triple-slot GPUs to an mITX board, there's enough wasted space under the GPU that you didn't need to compromise on mITX in the first place; There's almost enough room for a micro-ATX board - at least in this perpendicular GPU layout. The case allows for easy mounting of either SFX or SFX-L power supplies. The PSU is located in the front of the chassis. My Dan A4 H2O can still handle high end hardware (not the i9 without an undervolt/power limits :D ), and a big GPU is still going to perform better here than a small one. The sides and top panels are perforated, there's holes everywhere...but there's literally a single RTX 4090 SKU that will fit (the ventus). The FE are a no go because the flow through design could only work with a 4-slots design layout. (There's an offset system for the Two slot FE)

A number of creative ideas were needed to create the case. Using a PCIe extender allowed for the most prominent design feature of this case, which is the location of the GPU behind the motherboard. The A4-SFX will come with the highest quality PCIe extender on the market, made by 3M, which allows for PCIe Gen3 and Gen4 support. Really the best small form factor case money can buy. Whilst expensive the Dan Case proves you do not to spend 300 for a ghost s1 or similar. My case was constructed to a very high standard with no sharp edges, everything aligned perfectly and it was a dream to build in. Worth mentioning the case itself is relatively light which means transporting my final build has been a breeze. Well worth it.The next step is to do the test that is described in the norms. You have to do only the test that is necessary. You need special test equipment to do some of the test: For example let fall a standardized iron ball on you case or do a fire test and so on. I think it is impossible to do the test by your own if you aren’t a larger company, but there are accredit companies in every country that can help you to do the test. In Germany for example TÜV Süd, Tüv Rheinland. It will cost between 2000-5000€ that they will do the tests for you.

Inside, on the right side, a Mini-ITX format motherboard can be accommodated, on which a CPU with a maximum48 mm high processor cooler can be installed. Flat top-down blower coolers are completely sufficient for cooling due to the ever decreasing TDP of processors. A riser adapter redirects the PCI-Express x16 slot of the motherboard to the left side of the case, where up to 295mm long graphics cards can be installed. The riser adapter is from 3M. The clever cooling design of the case is similarly spartan in outlook. A separate fan is not needed as the case takes advantage of the integrated cooling of the installed hardware, thus saving valuable space here as well. To ensure that all components are exposed to fresh air the two side panels and the top of the A4-SFX V4.1 have been provided with round air holes over a large surface area along with elongated holes on the bottom to ensure a continuous supply of fresh air. The actual availability of those boards is atrocious though. AusWolfI'm not worried about heat dumped into the case. My point is that with less surface area, you need a more capable cooler with more airflow to keep your silicon temperature low.Yeah, that's what I'm saying. At this point, if you really want a tiny PC, it's a boatload easier to just accept that the flagship/halo CPUs and GPUs aren't aimed at mITX any more. A riser adapter from 3M company connects the PCI-Express x16 slot of the motherboard to the left-hand side of the case. This space can be used to install a graphics card up to 295mm in length.

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On the software side, the test setup includes Windows 10 Pro with Furmark and Prime95 both running at the same time to put the maximum load on both the processor and the graphics card.

After that you have a test report for your case and you are able to write the CE conformity declaration. Daniel has also thought through the practical aspects, such as cooling, connections and power supply, to make sure the DAN A4-SFX V3 is easy to setup and use.AusWolfThat's the thing. The air dumped into your case should move, otherwise, it's just gonna be recycled by your CPU cooler, which affects silicon temperature as well. Sure, it won't kill itself, but throttling can be an issue.Yes and no. Define "throttling" :D Depending on the size of the PSU, up to two 2.5” HDDs or SSDs can be mounted in the drive bay. This drive bay could potentially be mounted with rubber spacers to reduce vibration. A third drive can be mounted behind the front cover. They folded the rinser cable like so that you cannot fit a 14mm case fan under it. According to the specs the case even holds a 15mm fan. Folding a super expensive rinser cable is no fun.