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Small Form Factor Wallet Wrecker

by CannonC0cker


Part List View full price breakdown


Date Published

Nov. 19, 2018

Date Built

Nov. 17, 2018

CPU Clock Rate

3.6 GHz

CPU Temperature While Idle

36.0° C

CPU Temperature Under Load

75.0° C

GPU Core Clock Rate

1.515 GHz

GPU Effective Memory Clock Rate

14 GHz

GPU Temperature While Idle

33.0° C

GPU Temperature Under Load

65.0° C


After much research and thought, I decided to build a much more portable gaming rig. I shot for the moon on this one and ended up with lint in my pockets and a smile on my face. The RVZ03B case wasn't too difficult to build in, but the build did take quite a lot of time; I'd say around 7 hours from start to finish.

The case has just enough space in which to cram all of these parts and accompanying cables. Had I pre-planned the build a bit more, I might have been able to shave a couple of hours off my build time, but I enjoy figuring things out as I go. Here's the build order that I used for this:

  • Remove original case fans
  • Install Noctua case fans in the GPU compartment
  • Install RAM and storage on motherboard
  • Secure motherboard into case
  • Attach required (CPU, ATX) power cables to motherboard
  • Run case power supply cable around the "front" inside of the case
  • Flip PSU power switch to "ON" position and secure PSU to case
  • Run case fan cables to motherboard connector (sandwiched between PSU and MB) and attach RGB header to MB.
  • Run header wires around two intake fans in GPU compartment
  • Cram excess CPU power cable behind the power supply (take care not to accidentally turn off the PSU)
  • Attach CPU power, MB power, and PCIE power cables to PSU
  • Cram MB power cable in the small space between the PSU and the graphics card compartment
  • Attach necessary SATA cables to the MB and SATA power cables to PSU
  • Run Front Panel USB 3.0 cables and PCIE power cables through the small cutout in the center support bracket (easiest way to do this is to remove the bracket, put the cables in position, THEN reinstall the bracket).
  • Install CPU
  • Install extra 2.5" SSDs on top of GPU support bracket
  • Install GPU into support bracket (the SilverStone Raven RVZ03 (Mini ITX) Review by AV Techy on YouTube provides a good overview of this process starting at 18:19)
  • Move fan to the top position on the NH-L12S oriented as an intake fan (blowing towards the CPU) and install on CPU
  • Attach PCIE power cable to GPU and run excess cable around the two intake fans in the GPU compartment
  • Carefully install the GPU support bracket into the case
  • Attach SATA cables and power to the 2.5" SATA drives on the GPU support bracket
  • Cram the excess cable where space permits
  • Put the case cover on and attach rubber feet

The above list of steps looks fairly straightforward, but there were plenty of frustrating delays when figuring out how to run cables and which order to install the components. However, the experience was well worth the trouble.

Edit 01: To prevent any thermal issues with the CPU, I decided to limit the max power draw to 95W and TjMax to 80C. I haven't noticed any perceptible reduction in performance, but I'm sure benchmarks would show some. In fact, Ian Cutress from AnandTech recently published an article about power limiting the 9900K: The Intel Core i9-9900K: Fixing The Power for SFF. It's worth a look through if you are interested in powerful SFF build like this.

Comments Sorted by:

NR-08 1 Build 2 points 5 months ago

Always in for a SFF build, nice work

CannonC0cker submitter 1 Build 1 point 5 months ago

Thank you much!

renan_rlr 2 points 5 months ago

My Jaw Dropped! OVERKILL!

WPK_Tater 5 points 5 months ago

I’d be surprised if it can run minesweeper on low.

CannonC0cker submitter 1 Build 1 point 5 months ago

Haha, it chugs along for sure :)

CannonC0cker submitter 1 Build 1 point 5 months ago

:) Thanks!

Phildilf 3 Builds 2 points 5 months ago

There's not too many RTX cards SFF builds.

Love it!

CannonC0cker submitter 1 Build 1 point 5 months ago

Thank you!

Otterman366 13 Builds 2 points 5 months ago

how are cpu thermals? I'm down to a small list of posible coolers for sff builds on this cpu.

EnoxRule 2 points 5 months ago

Agreed, with this build I want to know your thermals.

CannonC0cker submitter 1 Build 1 point 5 months ago

I haven't done much testing, but at idle temps are around 36 -38 C, playing Battlefield V I've seen as high as 75 - 80. I might do some Prime95 tests if I can find the time. If so, I'll update my post. I have the air flow in the case set up as positive pressure (intakes on GPU and CPU compartments).

daUnitedpotato 1 Build 2 points 5 months ago

I seriously love these kind of builds. So much power in such a small footprint. Great build! :)

RoyalSovereign 2 points 5 months ago

Just don't get too close to that 55" screen... Not kidding.
Nice SFF build btw.

CannonC0cker submitter 1 Build 1 point 4 months ago

Lol, thanks!

Granddy 1 Build 2 points 5 months ago

So much power in a sff build.

Also rip wallet

zMadButcherz 8 Builds 2 points 5 months ago

You get an upvote for a solid build and if I could give you another for the MechWarrior background I would.

CannonC0cker submitter 1 Build 1 point 4 months ago

MechWarrior 2 was the game that got me really in to PC gaming. Ghost Bear's Legacy and Mercenaries were great, too. Thanks for the kind words!

ZedSamCat 2 points 5 months ago


MrThreePik 12 Builds 2 points 5 months ago

I do like that motherboard, can't wait to get my hands on a Phantom Gaming X570.

LeMMingSlayeR 23 Builds 2 points 5 months ago



JGFMK 2 points 4 months ago

Nice build. This motherboard seems to fair well against some of the top ATX/EATX motherboards in test I saw for gaming/FPS. Wondered if you were aware of the fact you can look at the Noctua fan recommendations per CPU. So.. https://noctua.at/en/cpu/Intel_Core_i9-9900k. Wondered if the Noctua - NH-U9S 46.44 CFM CPU Cooler (max. power limit: 215W 125mmx95mmx95mm) vs NH-L12S (maximum power limit: 190W 70mmx128mmx146mm) would have given you more headroom for cooling. The fact it has Thunderbolt3 as well is great. Can you plug a Samsung T5 Thunderbolt 3 SSD in there too I wonder? Or is it purely for monitors. These SSD are really fast with Macbook Pro via Thunderbolt3 (40Gbps bandwidth)

CannonC0cker submitter 1 Build 1 point 4 months ago

Thanks for the tip on the CPU cooler. I wasn't aware that Noctua offered that type of information. I don't plan to overclock... yet, so this list reference will be helpful in the future! Thunderbolt 3, will be nice to have in case the need arises.

[comment deleted]
BDP 1 Build 2 points 4 months ago

Fabulous build - merciless to your wallet though - Hope you have it insured and your local fire-fighters have your address ;-)

CannonC0cker submitter 1 Build 1 point 4 months ago

It definitely shrunk my wallet, lol. I did spread some of the cost over a couple of years, so it wasn't an immediate hit. The insurance is a great idea.

BDP 1 Build 2 points 4 months ago

Possibly already covered by home policy or else just an add on "higher value" item. Spreading costs certainly makes the hit easier - I did likewise. More important than all of that is to continually enjoy your achievements and wish you success for many more.

relaxedfire 1 Build 2 points 4 months ago

How is that MOBO? Theres no good mATX z390 boards besides this one thats actually good.

CannonC0cker submitter 1 Build 1 point 4 months ago

It's great. No issues so far and it has all the connections I need. It has 2x M.2 slots (both NVME/PCIE x4 capable) that I happily filled.

yerffej07 1 point 4 months ago

Is there enough room for a CPU case fan with that CPU cooler? I was looking at that exact same cooler for this case. If not, does it need that extra fan?

CannonC0cker submitter 1 Build 2 points 4 months ago

There is not room for both if you have to mount the CPU fan on the top of the heatsink like I did. If you are able to keep the CPU fan on the bottom of the heatsink, you can just barely fit a 15mm thick case fan in there as well. How your motherboard is laid out will drive the CPU fan config.

I haven't really needed the extra fan, but I'm toying with mounting on on the outside of the case to see if that makes a difference.

Davines123 1 point 4 months ago

Would you be able to tell me the distance between center of the CPU and the edge of the mobo where the DIMM slots are? Attempting to figure if I can shoehorn in a C14S into an SG13.

CannonC0cker submitter 1 Build 1 point 4 months ago

I can't get a great measurement without taking off the heatsink. However, I'd estimate around 3.25".

AlwaysHasAces 1 Build 1 point 4 months ago

Would the fan fit on the underside of the CPU heatsink over the VRM heatsink? I'm going to have a really similar setup except with the Shadow Rock LP (I'm just waiting on my CPU, but Intel doesn't currently have them in stock for employees). It's too close to tell if I'm going to have clearance issues over the VRM heatsink, and I believe the NH-L12S is almost exactly the same clearance with fan on bottom. Crossing my fingers I don't have to take a dremel to the brand new heatsink...

CannonC0cker submitter 1 Build 1 point 4 months ago

I ended up moving the CPU fan to the top of the heatsink for that reason. I'm fairly certain you'll run into the same issue, but that's really motherboard dependent.

Pavlikap 1 Build 1 point 3 months ago

Hi, does the cooler fits the side window of the case correctly? I am going to make a similar build (same MB and cooler) but this issue concerns me a lot. I know that it fits perfectly on ASRock Z390M-ITX/ac, but Phantom has a bit different socket placement.

CannonC0cker submitter 1 Build 1 point 3 months ago

It fits with maybe a millimeter of clearance between the fan and case. Thankfully, with the Phantom MB, the CPU socket lines up just right with the intake on the case side panel.

Pavlikap 1 Build 1 point 3 months ago

Thank you!

Derepente 1 point 2 months ago

Hi. Nice build. I have same motherboard, but I have a doubt about the L12S cooler: if I mount the cooler as you (heatpipes facing at top) the end of heatpipes can have contact with a power cable in my case. To avoid that, the better is mount the cooler with heatpipes facing to rear of case, but I fear the heatpipes have contact with VRM heatsink and it will be no possible... Do you know if can to put the cooler in this direction with no problem?

Jonm0bius 2 Builds 1 point 2 months ago

Crazy build! Nice work

Komboloi 1 point 11 days ago

Just want to say thanks so very much for providing such great detail regarding your build and, in particular, the build order you used. I'm currently researching my first m-ITX build and I would like to use most of the same components you used (will probably swap out the case for something slightly larger because I'm worried about cable routing and heating issues with the i9-9900 and the EVGA RTX 2080 Ti). Really appreciate it!