PC Build to Run Qwen 2.5 14B Instruct 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 Qwen 2.5 14B Instruct's VRAM requirement at Q4_K_M. Prices are 2026 street estimates and vary.

Requirements

VRAM required	~11 GB at Q4_K_M
System RAM	32 GB
Estimated speed	~38 tok/s
Complete build (est.)	$959

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GPU: NVIDIA GeForce RTX 3060 (12GB)

NVIDIA GeForce RTX 3060 (12GB)'s 12 GB covers Qwen 2.5 14B Instruct at Q4_K_M (~11 GB needed), a tight fit — little headroom.

Check price on Amazon — NVIDIA GeForce RTX 3060 12GB

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 Qwen 2.5 14B Instruct'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 NVIDIA GeForce RTX 3060 (12GB) (170 W) + CPU 65 W with 30% headroom (~306 W required).

Check price on Amazon — Corsair RM650e (ATX 3.1)

Swap Alternatives

GPU: AMD Radeon RX 9060 XT 16GB — AMD Radeon RX 9060 XT 16GB's 16 GB covers Qwen 2.5 14B Instruct at Q4_K_M (~11 GB needed), with headroom.
GPU: NVIDIA GeForce RTX 5060 Ti 16GB — NVIDIA GeForce RTX 5060 Ti 16GB's 16 GB covers Qwen 2.5 14B Instruct at Q4_K_M (~11 GB needed), with headroom.
PSU: Corsair RM850e (ATX 3.1) — More headroom / future dual-GPU: 850 W 80+ Gold.

The NVIDIA GeForce RTX 3060 (12GB) 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 Qwen 2.5 14B Instruct at Q4_K_M?

NVIDIA GeForce RTX 3060 (12GB)'s 12 GB covers Qwen 2.5 14B Instruct at Q4_K_M (~11 GB needed), a tight fit — little headroom.

How much VRAM does Qwen 2.5 14B Instruct need at Q4_K_M?

About 11 GB of VRAM plus 32 GB of system RAM.

What power supply does a NVIDIA GeForce RTX 3060 (12GB) build need?

650 W 80+ Gold covers NVIDIA GeForce RTX 3060 (12GB) (170 W) + CPU 65 W with 30% headroom (~306 W required).

How much does a Qwen 2.5 14B Instruct PC cost?

About $959 for a complete build (GPU, motherboard, RAM, PSU, CPU, case, SSD), at 2026 street-price estimates.

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