Written by Jakub Rusinowski · Last updated July 12, 2026
Yes, comfortably — you'll have ~222.2 GB of headroom running Qwen3-Coder 480B-A35B (MoE) at Q4_K_M (289.8 GB, ~20 tok/s (est.)) with room for up to 256K context.
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| VRAM | 512 GB unified memory |
| Memory Bandwidth | 819 GB/s |
| Quant | VRAM needed | Fits 512 GB? | Max context |
|---|---|---|---|
| F16 | 961.3 GB | ✗ No | — |
| Q8_0 | 511.3 GB | ✓ Yes | 8K |
| Q6_K | 394.9 GB | ✓ Yes | 256K |
| Q5_K_M | 341.5 GB | ✓ Yes | 256K |
| Q4_K_M | 291.1 GB | ✓ Yes | 256K |
| Q3_K_M | 205.9 GB | ✓ Yes | 256K |
| Q2_K | 159.1 GB | ✓ Yes | 256K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 512 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
| Qwen3-Coder 480B-A35B (MoE) | Q4_K_M · 289.8 GB · ~20 tok/s (est.) |
| Qwen3-Coder 80B-A3B (MoE) | Q4_K_M · 48.3 GB · ~102 tok/s (est.) |
| Qwen3-Coder 8B | Q4_K_M · 4.83 GB · ~67 tok/s (est.) |
At 2 hrs/day, buying (~$3,999) beats renting at $23.12/hr after about 3 months.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Yes, comfortably — you'll have ~222.2 GB of headroom running Qwen3-Coder 480B-A35B (MoE) at Q4_K_M (289.8 GB, ~20 tok/s (est.)) with room for up to 256K context.
Qwen3-Coder 480B-A35B (MoE) at Q4_K_M quantization (289.8 GB), estimated ~20 tokens/sec, up to 256K context.
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