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Compact Dream: Building a 15‑inch Mini‑ITX Gaming Rig

Started by JaneDoe on Sep 10, 2025 • 4 replies

JaneDoe
JaneDoe • Sep 10, 2025 • 08:15 AM

Hey folks! I'm planning a new mini‑ITX build that fits into a 15‑inch case. Goal: 1440p gaming at 60 fps while staying under 8 kg.

  • CPU: AMD Ryzen 7 7700X
  • GPU: RTX 4070 Ti Mini
  • Cooler: Noctua NH‑U12S redux
  • Case: NZXT H1 v2

Any advice on cable management or power supply selection? Thanks!

TechGuy
TechGuy • Sep 10, 2025 • 09:02 AM

Nice selection! For the PSU, go with a 650 W SFX‑L unit like the Corsair SF650. It fits nicely and gives you headroom.

Make sure to use a full‑modular cable set – it’ll make the cramped interior a lot easier to route.

MiniMaster
MiniMaster • Sep 10, 2025 • 10:45 AM

Consider the thermals – the H1 v2 is good but the GPU can get hot under load. A small 120 mm fan on the top vent can help.

Also, pick a high‑quality thermal pad for the VRMs if you can; it keeps temps down without a huge thermal paste mess.

PCGuy
PCGuy • Sep 10, 2025 • 12:10 PM

Don't forget to add a USB‑C hub on the front panel if you plan to use external storage or a monitor with USB‑C input. The case supports it with a small adapter.

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