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RobCo HoverBox - High-Powered Fallout 4 Themed mini-ITX 4.8 GHz Custom Gaming PC

post #1 of 3
Thread Starter 
With the upcoming release of Fallout 4, and the jump in recommended specs, I was inspired to build a new, Fallout theme PC. The goal of the build was to pack as much performance as possible in to the smallest form factor possible.

Heavy overclocking is a must, and for a long time I've been dying to push the limits of what air cooling can do. Which leads me to this build's most unique feature, a single, central, massive fan.

This beasty pushes tons of air at a decent pressure, but the blades are so large that it does it at low RPM and without excessive noise. It's attached with a custom 3D printed mount which holds it securely, but also isolates vibration from the rest of the chassis.

The fan itself is AC powered. To make a clean job of it, I tapped off the input board on the power supply. Here's a close-up of the fan control board and disconnect. The control board allows the fan to be shut down if the computer goes to sleep.

Parts list:

  • Intel i7-6700K processor @ 4.8 GHz
  • ASUS Strix Geforce GTX 980 Ti 6GB, overclocked to 1524 MHz
  • G.Skill RipJaws V 16GB DDR4-3000, CAS 15 (2x8GB)
  • 400GB Intel SSD 750 NVMe
  • Asus Maximus VIII Impact mini-ITX
  • Silverstone SX600-G 600W SFX power supply
  • Silverstone Milo ML07B case
  • Silverstone NT06-Pro heatsink
  • Gelid GC Extreme

I started with a Silverstone Milo ML07B case, but I just couldn't get the look to fit my ideas at first.

After ripping off the plastic cladding, and picking up some spray paint (the color just felt like 1950's to me), things started to look better.

I'm lucky enough to have a 3D printer at my disposal, so I experimented with various logos. In the end I decided to print stencils instead and spray painted the logos on.

At first I tried a Noctua NH-L9i HSF, but temps quickly got out of control - even with that large fan blowing straight down on top. I switched it for a Silverstone NT06-Pro (without attached fan), and temps started looking a bit better. This particular heatsink just barely fits and is almost as large as the motherboard itself.

As with just about every mini-ITX build, space it tight, but this build had some tolerances down to just mm of clearance.

Anyway, in that configuration, the 6700K was able to run at 4.5GHz 1.3v peaking at 99C. 4.6GHz wasn't stable. I felt disappointed by those results, so it was time to take it to the next level - delidding time.

I've had good look with these long slender scraper blades. The job went quite well, start at a corner and rock the blade smoothly across to the other side, turn and repeat on all fours side and it was done - no fuss.

I tend to shy away from Gallium based pastes, so I stuck with Gelid GC Extreme throughout the build.

With everything back together again, I started pushing things further. I was able to get the proc to 5.0 GHz 1.315V, but it wasn't completely stable, and was pushing close to 100C.

Given those results, I backed it down to 4.8GHz at 1.315V, and it's still peaking close to 100C, but remains rock solid stable in all tests - including Prime 95 28.7 small and large FFTs.

Next it was time to turn my attention to the graphics. If the CPU heatsink was tight, the ASUS Strix is down right crammed. It rubs up against the chassis on all sides. Unfortunately, I wasn't able to get a good pic, but trust me it's tight!

I was able to push the GPU past 1600 MHz, but after a while, things got glitchy. I settled it back down to 1524MHz, but not before doing a couple laps in Unigine Valley. With Ultra detail, 720p peaked at 220FPS!

In the end, I'm pretty happy with the overall build. It's lightning fast, barely bigger than an Xbox One, and rock solid stable.
post #2 of 3
Love it! thumb.gif
post #3 of 3
Really wierd and really cool:D

Not too shabby on the oc there, good stuff.
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Overclock.net › Forums › Specialty Builds › Small Form Factor Systems › RobCo HoverBox - High-Powered Fallout 4 Themed mini-ITX 4.8 GHz Custom Gaming PC