PC Build to Run Qwen 3.5 27B Locally (Q8_0)

作者： Jakub Rusinowski · 最后更新： 2026年2月24日

A complete parts list — GPU, motherboard, RAM and PSU — worked backward from Qwen 3.5 27B's VRAM requirement at Q8_0. Prices are 2026 street estimates and vary.

Requirements

VRAM required~29 GB at Q8_0
System RAM32 GB
Estimated speed~24 tok/s
Complete build (est.)$2,149

Weights plus framework overhead only — this model publishes no architecture we can read, so no KV cache is included. A real session needs more; the figure is a floor, not a target.

购买此硬件 Apple Mac mini M4 (16GB) — 32 GB VRAM · 22 W board power立即云端部署 RunPod 上的 NVIDIA A40 — 低至 $0.44/小时 · 价格核实于 2026-08

或在 Vast.ai 比较

作为亚马逊联盟成员，我们从符合条件的购买中获得收入。云 GPU 链接为推荐链接——我们可能获得佣金，您无需额外付费。

联盟营销声明: 本页部分链接为联盟推广链接——如果你通过它们购买，LLM Configurator 可能会获得佣金，而你无需支付任何额外费用。作为亚马逊联盟成员（Amazon Associate），LLM Configurator 会从符合条件的购买中获得收益。

GPU: AMD Radeon AI PRO R9700

AMD Radeon AI PRO R9700's 32 GB covers Qwen 3.5 27B at Q8_0 (~29 GB needed), a tight fit — little headroom.

Motherboard: ASUS TUF Gaming B650-PLUS WIFI

B650 (AM5) — pairs with the AMD Ryzen 7 7700; DDR5, dual PCIe 4.0 x16 (x8/x8) for multi-GPU, 4 DIMM slots to 256 GB.

ASUS TUF Gaming B650-PLUS WIFI
2026年价格波动较大——请以当前商品页价格为准。
在亚马逊查看价格

RAM: Corsair Vengeance 32GB (2x16GB) DDR5-6000 C30 (AMD EXPO)

32 GB DDR5-6000 (2x16GB) meets Qwen 3.5 27B's 32 GB recommended system RAM.

Corsair Vengeance 32GB (2x16GB) DDR5-6000 C30
2026年价格波动较大——请以当前商品页价格为准。
在亚马逊查看价格

PSU: Corsair RM650e (ATX 3.1)

650 W 80+ Gold covers AMD Radeon AI PRO R9700 (300 W) + CPU 65 W with 30% headroom (~475 W required).

Corsair RM650e (ATX 3.1)
2026年价格波动较大——请以当前商品页价格为准。
在亚马逊查看价格

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FAQ

What GPU do I need to run Qwen 3.5 27B at Q8_0?

AMD Radeon AI PRO R9700's 32 GB covers Qwen 3.5 27B at Q8_0 (~29 GB needed), a tight fit — little headroom.

How much VRAM does Qwen 3.5 27B need at Q8_0?

About 29 GB of VRAM plus 32 GB of system RAM.

What power supply does a AMD Radeon AI PRO R9700 build need?

650 W 80+ Gold covers AMD Radeon AI PRO R9700 (300 W) + CPU 65 W with 30% headroom (~475 W required).

How much does a Qwen 3.5 27B PC cost?

About $2,149 for a complete build (GPU, motherboard, RAM, PSU, CPU, case, SSD), at 2026 street-price estimates.

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