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About This Build
Proof you don't need a tower the size of a nightstand for 4K. This whole thing lives in an 18-liter NR200P and games at 4K60+ in everything.
The 7800X3D is perfect for SFF — it's wildly efficient, so it doesn't dump a ton of heat into a small case, and the Peerless Assassin clears the side panel. The 4070 Ti Super gets you real 4K performance with 16GB of VRAM in a 2.5-slot card that actually fits.
The trick to SFF is an SFX-L power supply (the SF750 is the gold standard) and planning your cable routing before you start. Take your time on the build and it's genuinely satisfying. Runs cool, runs quiet, and fits anywhere.
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Parts List
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| Category | Product | Price | Buy |
|---|---|---|---|
| CPU | AMD Ryzen 7 7800X3D (6 builds) | $359.00 | Buy |
| CPU Cooler | Thermalright Phantom Spirit 120 SE | $36.00 | Buy |
| Motherboard | Gigabyte B650I AORUS Ultra (ITX) | $219.00 | Buy |
| Memory | G.Skill Trident Z5 DDR5-6000 CL30 32GB (2x16GB) | $114.00 | Buy |
| Storage | Samsung 990 Pro 2TB (8 builds) | $169.00 | Buy |
| Video Card | MSI Ventus 3X GeForce RTX 4070 Ti Super 16GB | $819.00 | Buy |
| Case | Cooler Master NR200P | $99.00 | Buy |
| Power Supply | Corsair SF750 750W 80+ Platinum (SFX) | $149.00 | Buy |
| Total | $1,964.00 | ||
Build journal
Written by the owner of Mini-ITX 4K Powerhouse in the NR200P as they built it. Any numbers below are their own measurements, not ours — each one says so, and says how it was taken.
Configuration snapshots
What the parts list actually was at each point in this build's life. A snapshot is written once and never edited, so editing the build today cannot rewrite what an entry above described.
| Version | Captured | Total | Est. wattage |
|---|---|---|---|
| v1backfill: initial capture (PLA-3236) | July 20, 2026 | $1,964.00 | 195W |
Build Discussion
Move longer feedback, upgrade ideas, and troubleshooting into a forum thread tied to this build.
No dedicated forum thread yet. Start one to collect part-picking feedback, benchmark notes, and upgrade advice in one place.
Total Build Cost
$1,964.00
8 parts
Rating
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