PC Build to Run Mistral Small 3.1 24B Locally (Q4_K_M)

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

Written by Jakub Rusinowski · Last updated July 10, 2026

A complete parts list — GPU, motherboard, RAM and PSU — worked backward from Mistral Small 3.1 24B's VRAM requirement at Q4_K_M. Prices are 2026 street estimates and vary.

Requirements

VRAM required	~15 GB at Q4_K_M
System RAM	32 GB
Complete build (est.)	$979

Affiliate disclosure: Some links on this page are affiliate links — if you buy through them, LLM Configurator may earn a commission at no extra cost to you. As an Amazon Associate, LLM Configurator earns from qualifying purchases.

GPU: AMD Radeon RX 9060 XT 16GB

AMD Radeon RX 9060 XT 16GB's 16 GB covers Mistral Small 3.1 24B at Q4_K_M (~15 GB needed), a tight fit — little headroom.

Check price on Amazon — AMD Radeon RX 9060 XT 16GB

Motherboard: MSI MAG B550 Tomahawk

B550 (AM4) — pairs with the AMD Ryzen 5 5600; DDR4, dual PCIe 4.0 x16 (x8/x8) for multi-GPU, 4 DIMM slots to 128 GB.

Check price on Amazon — MSI MAG B550 Tomahawk

RAM: Corsair Vengeance LPX 32GB (2x16GB) DDR4-3600 C18 PREVIEW

32 GB DDR4-3600 (2x16GB) meets Mistral Small 3.1 24B's 32 GB recommended system RAM.

Check price on Amazon — 32GB DDR4-3200 Kit (2x16GB)

PSU: Corsair RM650e (ATX 3.1)

650 W 80+ Gold covers AMD Radeon RX 9060 XT 16GB (160 W) + CPU 65 W with 30% headroom (~293 W required).

Check price on Amazon — Corsair RM650e (ATX 3.1)

Swap Alternatives

GPU: AMD Radeon RX 7900 XT — AMD Radeon RX 7900 XT's 20 GB covers Mistral Small 3.1 24B at Q4_K_M (~15 GB needed), with headroom.
GPU: AMD Radeon RX 7900 XTX — AMD Radeon RX 7900 XTX's 24 GB covers Mistral Small 3.1 24B at Q4_K_M (~15 GB needed), with headroom.
PSU: Corsair RM850e (ATX 3.1) — More headroom / future dual-GPU: 850 W 80+ Gold.

The AMD Radeon RX 9060 XT 16GB is a tight fit at Q4_K_M — consider an upgrade alternative for KV-cache/context headroom.
Some component specs are marked "preview" (pending a second independent source) — see the badges.

FAQ

What GPU do I need to run Mistral Small 3.1 24B at Q4_K_M?

AMD Radeon RX 9060 XT 16GB's 16 GB covers Mistral Small 3.1 24B at Q4_K_M (~15 GB needed), a tight fit — little headroom.

How much VRAM does Mistral Small 3.1 24B need at Q4_K_M?

About 15 GB of VRAM plus 32 GB of system RAM.

What power supply does a AMD Radeon RX 9060 XT 16GB build need?

650 W 80+ Gold covers AMD Radeon RX 9060 XT 16GB (160 W) + CPU 65 W with 30% headroom (~293 W required).

How much does a Mistral Small 3.1 24B PC cost?

About $979 for a complete build (GPU, motherboard, RAM, PSU, CPU, case, SSD), at 2026 street-price estimates.

Mistral Small 3.1 24B at Other Quant Levels

Other Popular Build Targets

Model & GPU

More Ways to Build

← Budget-first build recommender | Mistral Small 3.1 model page | AMD Radeon RX 9060 XT 16GB review