PC Build to Run GLM-4.7-Flash 30B-A3B Locally (Q8_0)
Written by Jakub Rusinowski · Last updated August 15, 2026
A complete parts list — GPU, motherboard, RAM and PSU — worked backward from GLM-4.7-Flash 30B-A3B's VRAM requirement at Q8_0. Prices are 2026 street estimates and vary.
Requirements
| VRAM required | ~33 GB at Q8_0 |
| System RAM | 32 GB |
| Estimated speed | ~115 tok/s |
| Complete build (est.) | $3,303 |
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.
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GPU: 2× AMD Radeon RX 7900 XT
2× AMD Radeon RX 7900 XT (40 GB pooled) covers GLM-4.7-Flash 30B-A3B at Q8_0 (~33 GB needed), with headroom.
Motherboard: ASUS ProArt X670E-Creator WIFI
X670E (AM5) — pairs with the AMD Ryzen 9 7900X; DDR5, dual PCIe 5.0 x16 (x8/x8) for multi-GPU, 4 DIMM slots to 192 GB.
RAM: Corsair Vengeance 32GB (2x16GB) DDR5-6000 C30 (AMD EXPO)
32 GB DDR5-6000 (2x16GB) meets GLM-4.7-Flash 30B-A3B's 32 GB recommended system RAM.
PSU: Corsair HX1500i (ATX 3.1)
1500 W 80+ Platinum covers 2× AMD Radeon RX 7900 XT (630 W) + CPU 170 W with 30% headroom (~1040 W required).
Swap Alternatives
- GPU: NVIDIA RTX A6000 — Single-GPU alternative (no tensor split, simpler): NVIDIA RTX A6000 48 GB at $4,649.
- RAM: Corsair Vengeance 64GB (2x32GB) DDR5-6000 C30 (AMD EXPO) — More headroom: 64 GB DDR5-6000.
- GLM-4.7-Flash 30B-A3B at Q8_0 needs more VRAM than any single consumer GPU, so this uses 2× AMD Radeon RX 7900 XT (40 GB pooled via tensor split) — cheaper than the single NVIDIA RTX A6000 (48 GB, $4,649) that would also fit.
FAQ
What GPU do I need to run GLM-4.7-Flash 30B-A3B at Q8_0?
2× AMD Radeon RX 7900 XT (40 GB pooled) covers GLM-4.7-Flash 30B-A3B at Q8_0 (~33 GB needed), with headroom.
How much VRAM does GLM-4.7-Flash 30B-A3B need at Q8_0?
About 33 GB of VRAM plus 32 GB of system RAM.
What power supply does a AMD Radeon RX 7900 XT build need?
1500 W 80+ Platinum covers 2× AMD Radeon RX 7900 XT (630 W) + CPU 170 W with 30% headroom (~1040 W required).
How much does a GLM-4.7-Flash 30B-A3B PC cost?
About $3,303 for a complete build (GPU, motherboard, RAM, PSU, CPU, case, SSD), at 2026 street-price estimates.
GLM-4.7-Flash 30B-A3B at Other Quant Levels
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Model & GPU
- GLM-4.7 / GLM-Z1 model page
- AMD Radeon RX 7900 XT review
- Can I run GLM-4.7 / GLM-Z1 on AMD Radeon RX 7900 XT?
More Ways to Build
← Budget-first build recommender | GLM-4.7 / GLM-Z1 model page | AMD Radeon RX 7900 XT review