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  1. J

    DAN A4-SFX: The smallest gaming case in the world

    Anybody try the full-copper C7 yet?
  2. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    dondan, please share the name of the manufacturer, this way I know what name to google in a few quarters from now, to see where/how I can buy this cooler. Or can you just leave a few clues, we need some info that will help us find this cooler at some point. For instance, will the cooler still...
  3. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    dondan, do I understand correctly that you have all the prototypes you need? So it is basically up to how you negotiate with the manufacturers?
  4. J

    DAN C4-SFX: The smallest water cooling case in the world

    Not really, in the current A4-SFX most people use open-fan GPUs without any problems. The proximity of the GPU fans to the side panel means that they actually suck in fresh air from outside and thus create circulation inside the case.
  5. J

    DAN C4-SFX: The smallest water cooling case in the world

    Dan, love your work (v1 owner), keep it up. I think this new design is awesome. A few tangentially related thoughts: I think if you want to do small case water cooling the corsair-one has the best concept: Use the largest sides for the radiators. Also, water cool both the CPU and the GPU. I...
  6. J

    DAN A4-SFX: The smallest gaming case in the world

    If my memory serves me Dan designed the case such that you can put the riser on either side of the central metal plate. I.e. behind the mobo or behind the GPU. Nevertheless, this thermal sink idea will be less efficient since the center plate in the A4-SFX will be quite hot, being in-between two...
  7. J

    DAN A4-SFX: The smallest gaming case in the world

    Perhaps you are right, I was remembering this AT article when I posted. It contains a graph showing that data retention is better if the data is written warm and the disk is stored cold. However, the graph only shows data between 25ºC and 55ºC. It is quite reasonable to assume that this trend...
  8. J

    DAN A4-SFX: The smallest gaming case in the world

    Don't put the heat sinks on the memory modules, only on the controller. The memory actually performs better (lasts longer) when operating hot. It is only the controller that will throttle when hot.
  9. J

    DAN A4-SFX: The smallest gaming case in the world

    My point was not to critique dan or suggest changing riser manufacturer. Frankly, i'm very happy with dan's choice, the 3m riser is working very well in my A4-SFX v1. I just thought it was interesting for us, to see what the performance impact can be, and, that other manufacturers are also...
  10. J

    DAN A4-SFX: The smallest gaming case in the world

    WhyCry over at VideoCardz.com did a review of PCIe riser cables, check it out. The conclusion:
  11. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    This is not how heat flow works, if you put a hot heatsink in a hot (but cooler) environment, the heat will still flow from the hotter heatsink to the less hot case. Ergo, the difference in thermal conductivity would lead to an advantage (however small) for the Cu even in a hot case. I think the...
  12. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    I think bamtan2 meant just the fan inside the PSU, not the entire unit.
  13. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    did somebody just steal your lunch money?
  14. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Thanks for all the work dondan, very surprising results. CoolJag is looking good at the moment! Is there anybody on this forum (or another) willing to send an IR camera to dondan for a few weeks such that he can analyze the temperature fields? Or perhaps we can buy one for dan, they are about...
  15. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    One advantage that the HSLP-48 has, is that it's fin-stack is free on both sides allowing air to blow straight through. This aspect of the design also helps draw in fresh air from the outside of the case, which is obviously an advantage over recirculating air inside the case. Perhaps this design...
  16. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Thx dondan, it is replies like these that give me the impression that you are on top of things! Good work, keep it going.
  17. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Yes water has a higher conductivity than air, but you cannot compare water to air here. You have to compare the efficiency of the water cooling loop to that of a heat pipe system. In a water cooling solution you are still cooling your radiator with air, right? And your radiator is about the same...
  18. J

    DAN A4-SFX: The smallest gaming case in the world

    I would not like to gamble on PCI risers. They have to transfer 16x 8Gb/s while delivering 75W of power. Put the price in perspective of the price of your graphics card. Are you really willing to cheap out on a riser that may cripple your 700$ GPU? To me, the Dan case, and the popularity of...
  19. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    my 2ct, don't take them too seriously, i'm not a heat-exchanger engineer. Do you have access to an infrared camera, I propose you take a look at the heatsink with and without a fan while booting a computer. You would want the most homogeneous temperature across the fins. If some areas heat up...
  20. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    About copper coating, as far is I can tell anodizing copper isn't a thing. If it would be applied it would only make the copper dull and eventually green. The only thing I've found when researching the topic is a cooler from Xigmatex, called the Dark Knight II. It has a ceramic coating in either...
  21. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Looks like the majority in the poll was right (and I was wrong). Status so far: between 2C and 5C cooler: 17 votes 44% more than 5C cooler: 13 votes 33% between 2C cooler and 2C warmer: 7 votes 18% (total 39 votes, one each in the other two categories)
  22. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    For those who haven't voted yet, do it quick, before dondan spoils us with real measurement data!
  23. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Awesome, the plan you propose looks perfect to me, perhaps already a lot of work (thank you for the effort). The thing I can think of that is missing (but perhaps not required) are tests using different orientations of the cooler, i.e. with the pipes north-south, east-west, south-north and...
  24. J

    DAN A4-SFX: The smallest gaming case in the world

    SFX power supplies will be in tight spaces in many more cases than just the A4-SFX. I would be surprised if Silverstone did not understand the application use-cases of their SFX power supplies. Nevertheless, i've been surprised before. We will know in 2018.
  25. J

    DAN A4-SFX: The smallest gaming case in the world

    Check the table here, summary: - the biggest will be 18C/36T (not 16C) - yes you will need a x299 chipset - no CPU in this lineup will be 100W, the two smallest are 112W (4C/4T and 4C/8T), the 10C/20T will be 140W
  26. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Ah, its just the Cu version of the C1, sorry, I looked on their website couldn't find the same model, must have had sh*t in my eyes. To redeem myself, a useful excerpt from the same site:
  27. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Check out the picture of this new Cryorig cooler: Has anybody seen it before? I found it on SFF
  28. J

    DAN A4-SFX: The smallest gaming case in the world

    Anybody seen this: https://smallformfactor.net/news/sff-network-exclusive-hands-silverstones-fanless-sfx-l-prototype Yes you read it right, a fanless 450W SFX power supply in the making. Spoiler: expected somewhere in 2018.
  29. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Here is another picture: It looks like the m.2 riser is slotted in something called 1626, anybody know the type of slot (mini-PCIe?). I don't think the sata riser is detachable, haven't found a good picture of it yet. Is it me, or does the m.2 riser slot look exactly like to SO-dimm slots?
  30. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    They look empty, not sure what they are for.
  31. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    The physics of heat exchange are super simple, quoting Feynman: "it's just the jiggling of atoms". However, at the scale of a heatsink there are so many things that will influence the performance. Things like surface roughness, surface contamination, temperature delta's, etc. With these coolers...
  32. J

    DAN A4-SFX: The smallest gaming case in the world

    Dan, your world map on the kickstarter v2 page excludes alaska, is that correct?
  33. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    I'm so curious about the deltas between the Cu and the Al versions. My bet is they will have equal performance, but the Cu versions look a hell of a lot better. Shall be have a poll, to see what the majority thinks, funny to compare current beliefs with real benchmarks...
  34. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    Here is a picture of the fan!
  35. J

    DAN A4-SFX: The smallest gaming case in the world

    Those looking for power supplies, enermax recently released two new SFX PSUs, a 550W and a 650W, see for instance here: https://smallformfactor.net/reviews/powersupplies/enermax-revolution-sfx-550w-review Don't know if they are any good (they probably are), just a new player in the SFX market...
  36. J

    DAN A4-SFX: The smallest gaming case in the world

    Sebastian @PCperspective reviewed the case, have a look at: https://www.pcper.com/reviews/Cases-and-Cooling/DAN-Cases-A4-SFX-Crowdfunded-Mini-ITX-Case-Review
  37. J

    DAN A4-SFX: The smallest gaming case in the world

    Yes, but remember, you cool your water with air.
  38. J

    DAN A4-SFX: The smallest gaming case in the world

    To me these types of questions always put me at a strange dilemma. The A4-SFX does not fit 2.5 slot GPUs, it does not allow for water cooling nor overclocking 100W CPUs. However, it does provide performance that comes pretty close at a volume that is nothing short of amazing. I think if you are...
  39. J

    DAN HSLP-48: A powerful sub 50mm heatsink

    To me the table explains that you can dissipate more heat with the 6mm circular pipes. In 20 mm you can dissipate 85.5W with the 3 circular pipes, while the flattened require 22.3 mm to dissipate 78W.
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