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About This Build
Local LLM inference, Stable Diffusion, and CUDA dev work. The 4090's 24GB of VRAM is the whole point — it fits models the 16GB cards choke on. 64GB of system RAM for dataset wrangling and a 4TB Gen4 drive so you are not constantly juggling checkpoints. Runs hot, so airflow and a 1200W PSU are non-negotiable.
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Parts List
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| Category | Product | Price | Buy |
|---|---|---|---|
| CPU | AMD Ryzen 9 7950X | $549.00 | Buy |
| CPU Cooler | Noctua NH-D15 chromax.black | $109.00 | Buy |
| Video Card | MSI GeForce RTX 4090 SUPRIM | $1,799.00 | Buy |
| Memory | Corsair Vengeance DDR5-5600 64GB (2x32GB) | $199.00 | Buy |
| Motherboard | Gigabyte X670E AORUS Master | $329.00 | Buy |
| Storage | Samsung 990 Pro 4TB | $349.00 | Buy |
| Case | Fractal Design Torrent | $189.00 | Buy |
| Power Supply | be quiet! Dark Power 13 1200W | $259.00 | Buy |
| Total | $3,782.00 | ||
Build journal
Written by the owner of AI / ML Workstation 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 | $3,782.00 | 245W |
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
$3,782.00
8 parts
Rating
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