Power Supply Installation And Cable Management
Power Supply Installation
So long as you're not using a bottom case fan and you haven't moved the lower hard drive cage, power supplies can be up to 310 mm long. Otherwise, you have about 170 mm to work with.
Four small round pads on the bottom and one generous large pad on the back serve to decouple the PSU from the enclosure. Nothing needs to be pushed or bent into place. Drop the power supply into place and its screw holes should line up nicely with the Arc Midi R2's.
The cable management is surprisingly well-planned. You get 26 cm worth of space between the back of the motherboard and the Arc Midi R2’s side cover. Even very thick cables or the plentiful bundles involved with a multi-GPU setup fit back there. The grommet-like frames in the cut-outs sit securely, protecting your fingers and covering up the cable work going on behind them.
Fractal Design built in several long cable openings in the motherboard tray, giving you plenty of options for routing. Naturally, when we're building our own machines, we take advantage of these for cleaning up an enclosure's interior.
The company even included two openings on the top of the motherboard tray so that boards like Asus' Crosshair V Formula-Z, with one eight-pin +12 V connector on each side of the CPU, can be hooked up with minimal cables showing.
The back of the motherboard tray sports cable retention clips to hold down wires that run through. Cables originating from the front-panel connectors are already fastened securely into place, which is a nice touch. We would have liked to see Fractal Design include a few more of these clips, though.
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Solution: buy some rubber toilet grommets or faucet washers from your local hardware store price will range from 25 cents to a little under a dollar and the problem is solved.Reply
Some Notes and Recommendations about Replacing the Fans
Let's say everything else about the Arc Midi R2 is ideal for you, and you simply want to replace its fans.
I think a fan that vibrates when pointed down is an inferior product. I had to replace the fan on my Antec 302 for the same reason - drove me crazy. As for beauty over function - I would much rather keep my GPU cool that have a "pretty" side window.Reply
^ Was it a sleeve bearing fan? If so thats more or less normal due to how that bearing is designed.Reply
Who puts a fan in the roof of a case to blow downwards? Surely the roof is best used as an exhaust and it was specifically mentioned about the fan blowing downwards. Personally I think I would be likely to buy a full set of fans so that I can fill all the fan mounts with the same design range and then keep the stock fans as emergency spares.Reply
As for keeping the GPU cool, I don't that is an issue with 2 the fans in the front creating perfectly adequate airflow to keep the GPU cool unless you are using multiple GPUs. Although in time I would probably mod the window and inserting an extra fan there as that isn't a hard job to do.
Regarding the change from a side panel with a mesh vent to a window, I am not sure if this would make much of a difference to GPU cooling. I have the original Fractal Midi and I wanted to isolate noise a bit more, so I swapped the side panels so that the vented one is on the back of the mother board side. I had also installed 1 extra 140 mm fan in the bottom of the case blowing up to draw in cool air underneath. I did this before swapping the side panels. All of my 140 mm fans are turning at 700 rpm. Surprisingly I noticed that in this configuration the GPU was slightly cooler (1-2 C) at idle and under load with the solid panel on the right / GPU side, and the noise seemed a little lower. CPU temps did not change. I would have to guess that the mesh hole provides an escape port for air and the GPU fan has to work harder.Reply
Heat Sources: i5-3570K @ 4.4 GHz, Hyper 212 EVO, EVGA GTX 560Ti @ 900 MHz, 3 WD Cavier Black HD
The Arc Midi 2 and Define R4 use an identical core case design. The only design differences are found in the front and top panels. (Both are mesh in the Arc Midi 2, while the Define R4 has a front door and sound-proof material fan opening covers for the top fan openings.)Reply
With Define R4's often available for roughly $85 (on sale) and Arc Midi 2's typically about $65 online, I find the $20 additional cost for the sound-proofing included in the Define R4 models a very worthwhile investment.
Just got the Define R4 last week and i could not be happier!Reply
Does your GPU have its fan at one end of the card and exhaust directly outside through the rear bracket? If it does, the reason you see lower GPU temps is likely that the slightly more positive (or slightly less negative) pressure in the case from going solid makes the GPU's HSF a little more efficient at shoving warm air out of the case. Cards with "mid-mount" fans may also benefit from this due to slightly increased vertical airflow between the GPU's top edge and case panel carrying warm air up through the case faster.11627141 said:Surprisingly I noticed that in this configuration the GPU was slightly cooler (1-2 C) at idle and under load with the solid panel on the right / GPU side, and the noise seemed a little lower.
That is what I like to call structured airflow. Placing fans in the most effective places and shutting off meshed areas that allow air to escape without contributing to net cooling can achieve superior results with much less meshed area and fewer fans.
11626775 said:I think a fan that vibrates when pointed down is an inferior product. I had to replace the fan on my Antec 302 for the same reason - drove me crazy. As for beauty over function - I would much rather keep my GPU cool that have a "pretty" side window.
Side fans don't always help GPU temps, they can even hurt temps in some cases by interfering with the airflow from the GPU fan. It really depends on the case and GPU (and whether or not the front intakes do anything for the GPU), but saying categorically that having an intake there will improve GPU temps is certainly not true.
It deserves a "Smart Buy" Award. Arc Midi R2 offers much more for the price than the competition while often being on sale for $65.Reply