dondan
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64C/128T Epyc, AsRock ROMED4ID-2T & RTX 3080 in 12L -
Here are some pictures of the silver version with radiator on top. Sorry for the image quality I only have a smartphone here and the light wasn't that good outside.
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Here are the preview results of the first test with the C4-SFX. Testsetup: Ryzen 7 1700 @ default clock Asus Strix B350-I Nvidia Titan X (Pascal) 32GB DDR4 Corsair 450 SFX Asetek 120mm AIO (27mm Radiator) 2x Noctua NF-A12x25 I used Prime95 (26.6) 8K run for max CPU load and Valley Benchmark 2.5K simultaneous. The case fans spin at 100%. Radiator on Top ---------------------------------------CPU--------GPU Clock----GPU FAN----GPU temp-----Room FAN push out - open------------50 °C------max 1800------2350 rpm------82 °C------25 °C FAN push out - vented----------50 °C------max 1780------2380 rpm------82 °C------25 °C FAN push out - Window--------52 °C------max 1780------2410 rpm------83 °C------25 °C FAN suck in - open--------------50 °C------max 1800------2350 rpm------81 °C------25 °C FAN suck in - vented------------50 °C------max 1780------2380 rpm------82 °C------25 °C FAN suck in - Window----------52 °C------max 1780------2410 rpm------82 °C------25 °C Radiator on Bottom ----------------------------------------CPU--------GPU Clock----GPU FAN----GPU temp-----Room FAN push out - open-------------54 °C------max 1780------2380 rpm------82 °C------25 °C FAN push out - vented-----------56 °C------max 1780------2400 rpm------82 °C------25 °C FAN push out - Window---------57 °C------max 1780------2430 rpm------83 °C------25 °C FAN suck in - open---------------52 °C------max 1780------2380 rpm------82 °C------25 °C FAN suck in - vented-------------56 °C------max 1780------2410 rpm------83 °C------25 °C FAN suck in - Window-----------56 °C------max 1780------2410 rpm------83 °C------25 °C
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Lian Li build the prototypes again and now the quality is very good. Here are some pictures of the top i/o version: Here are the pics of the side i/o version: With best regards Daniel Hansen
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Here are some more pictures of the C4-SFX. Yes you look right there is no type-c port on the i/o. I tried everything to keep it but the port itself requires a very long part behind the port that will collide with the front hdd. The supplier make some tests to make it shorter but failed.
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Here are some first shots of the C4-SFX made by Lian Li. I will get more the next days. Keep in mind, that the Window panel screws are not the correct one. Currently you see a acrylic sample of the Window Kit because the tempered glass version isn't done: With best regards Daniel Hansen
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@enome Q1: The maximum supported length is 303mm, but I specified it for 295mm for easy installation. Q2: - 10mm Q3: Prototypes are in production. I will have the first samples in the next 2-3 weeks. Kickstarter will start end of May or early June. Q4: Same procedure as for the A4-SFX I will talk with Demcifilter.com Q5: The case will have a logo at the front. I think without it the front looks very boring. Q6: Wallye TACTIK DUFFLE V2 should fit. I will talk with Wallye about this topic.
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It will also fit in the current version. (X52 pump height = 52mm | Max height = 64mm) Sorry a 3.5" drive will not fit. You can fit 3 x 2.5" drives + M.2 SSD on board. So you can fit 3x 4TB = 12TB & 2TB M.2 = 14TB. Sorry this was an old survey, I made the decision to not include fans because every customer has a different opinion about what is the perfect fan.
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I like to introduce an easy way to install a watercooling solution for both CPU and GPU inside the C4: Alphacool Eibaer LT Alphacool Eiswolf GPX -available for nearly every GPU. -if you have a last generate GPU and it isn't on the list send them your card and get a free GPU block.
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Here is dual 120mm AIO rendering. (click for 8K image)
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Here are the final renderings. Now I start with prototyping
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I wish you and your family a merry Christmas and good fortune, success and well-being in the New Year.
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Survey three reloaded! Hi there, this is the third survey for the C4-SFX again. I restarted the old one, because I included a new option and a new voting mechanism. In this survey you will be able to give every design a score. 3 points will be the highest score while 1 is the lowest. The advantage of this mechanism is, that I will also respect your opinion about the other options. Link to survey: Google Forms Survey Thank you for your help!
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Tomorrow I will restart the last poll with three options: (click for 4K) A special thank to AlMiDaX for the idea on the new option.
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A Hardforum member had also this idea:
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Front panel on the top side or rigth side? This is the next big question! I need your help once again for some design questions that will affect the outer look. Your choice will have a direct impact on the final product. (4K view) Link to survey: Google Forms Survey Thank you for your help!
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I am thinking of a version with tempered glass window kit. Yes you are looking right, there are no venting holes on the side panel. I think the fans in the bottom create enough airflow through the complete case so the GPU will get enough air.
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I played with my rendering tool: (click for 4K view)
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Today I reviewed the result of the second survey. 94,4% of all voters like the design of the C4-SFX. So this makes me happy because it looks like I found a new outer design that is different to the old one that match your taste. Relating the front logo question there is no real winner. So this is something I have to decide by myself. I think there are people that can’t life with the front logo because they like it clean. On the other hand people that like the logo will also buy the case without it. So I think I will do it like with the A4-SFX and make the C4-SFX without front logo. For the back side 68,5% like to have venting holes. What I forget to say, these holes have no real function and will not have a real impact on cooling performance. Maybe this question is now biased because it is based on wrong hopes. In my opinion it would be the best to make the backside clean. External water cooling lovers can easily mod the case and everyone else will have a clean back side that looks more aesthetic then pre drilled tube holes. But the last word isn’t spoken I have to think about going the democratic or the dictatorial way. Now we come to the last question. This one was the most important for me. For around 55% of the participant 2 Slot is enough and 45% like to have 2.5 Slot card support to fit cards like the Asus GTX 1080Ti Strix. I thought the last days about it and found a solution that match everyone tastes. The C4-SFX will be the first sub 10L case that will fit both 2 and 2.5 Slot cards. In the first step I made the cutout and mounting bend 10mm longer. I removed the slot bar so the I/O ports of the card will be not covered if you shift it. In the second step I created a cover that will be useable in two directions. Direction one will support 2 Slot cards if you rotate the cover and screw it again to the case it will support 2.5 slot cards. I made two different types of covers. One cover with center bar and the other without it. What version do you prefer? Supporting both card types require also changes on the riser car. So I have two ideas for it. The first idea is including two risers one for 2.5 slot cards and the other for 2 slot cards. The second idea is adding a second PCIe port to the current riser. Both PCIe Ports will be connected to the same lanes so you can’t use them simultaneous but both ports will have full PCIe 16x speed. What do you think? Thank you for your support. Daniel Hansen
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Hi there, this is the second survey for the C4-SFX. I need your help once more for some design questions that will affect the outer look and GPU compatibility. So your choice will have a direct impact on the final product. Link to survey: Google Forms Survey Thank you for your help!
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Belongs to the middle plate question: I made a test. I cut my hole design for a single 120mm fan on a cardboard with a plotter. With the cardboard attached the fan is much more noisy. Here is a website that comes to the same result: https://www.pugetsystems.com/labs/articles/Effects-of-Grill-Patterns-on-Fan-Performance-Noise-107/ So maybe for a more silent setup, the fan grill version is the best design.
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Why the air cooling principle of the C4-SFX will be better as the principle of the A4-SFX: The first thought of many users that take a first look on the layout of the C4-SFX is: “The CPU cooler will be choke behind the GPU!” The case is designed around the idea of using two 120mm fans in the bottom area. This means any use-case without case fans in the bottom is not supported. The case fans will generate a continuous airflow between GPU and motherboard. Because of the small size of the C4-SFX the heat exchange will be very fast also on low fan speed. The main advantage of this concept is the fact, that there will be not left hot air inside the case. This is a huge advantage against the A4-SFX. A continuous airflow will reduce M.2 SSD, motherboard components and GPU backside temperature. For extreme hardware constellations like Hex/Octacore CPU’s and GPU’s like the 1080 Ti the exhaust temperature of these components are very high. For the A4-SFX these components will increase the ambient temperature inside the case, so motherboard components and SSDs become very hot. Inside the C4-SFX the heat will be move out very quick. Some of you may think: “The CPU cooler will get a lot of hot air from the backside of the GPU” The continuous airflow of fresh air inside the case will feed the fan of the PSU and also the fan of the CPU heatsink. A part of this air will also travel the backside of the GPU and will be heated up by it. With airflow the increase will be very low, because the air will pass the GPU backside very quick so there is no chance to warming it up to a level that will be negative for the CPU heatsink. Also hot air that will be generated by the CPU will not be recycled by the CPU fan because the bottom fan sucks it away. A second interesting option for customers that are planning to use big heatsink’s like the Cryorig C1 or Thermalright AXP200 is the SEMI-PASSIV cooling mode. If you mount the heatsink without the included fan and rotate it in this way that fresh air from the topside can easily pass through the heatsink it will work. Connect the bottom case fans with a Y-cable to the CPU fan port of your motherboard so it will act like CPU fans. Now they will spin faster if the CPU temperature will be higher and sucking more air through the heatsink. This will allow much bigger heatsinks and will be in interesting alternative to water cooling setups. The cooling concept is very similar to a rack mounted server with the advantage of using bigger case fans for lower noise. I hope this drawing made it clear: Summary: no left hot air inside the case no recycled hot air for the CPU heatsink CPU heatsink will be inside a cooling tunnel so a semi-passive mode is possible much better temperature for motherboard components, backside of the GPU and M.2 SSD Feel free to ask questions if something is not clear.
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Yes I think you are right. Furthermore the right version has many holes that allows for attaching other stuff like thin pumps or reservoirs.
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Furthermore I made two versions of the middle plate. I will test both on the prototype: The left version is the new one the fan's will be covered by two 120mm fan guards/grill that will be included. The cover is necessary to prevent PSU wires falling in the fan. Also the left version will have a higher air flow through the middle plate. The disadvantage is, that I have to think about a new way to mount the bottom HDD bay, because the left fan guard will block the mount points. The right version will have not the same high airflow like the left version this could be irrelevant,but it will provide a better stability for the case and support for the current HDD bay version. If you take a deeper look on the picture you will see that I add some slot holes to the riser to increase the airflow in the motherboard area. What do you think about it?
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Some guys requested a pass on the backside for external components like radiators under the desk or reservoir on the backside. What do you think about my implimentation of the Lian Li rubber pass?
