Written by Jakub Rusinowski · Last updated July 12, 2026
No — MiniMax M2.5 doesn't fit the Apple M4 Max's 128 GB. The cheapest card that runs it is the Apple M2 Ultra (192 GB).
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| VRAM | 128 GB unified memory |
| Memory Bandwidth | 546 GB/s |
| Quant | VRAM needed | Fits 128 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 462.4 GB | ✗ No | — | — |
| Q8_0 | 246.8 GB | ✗ No | — | — |
| Q6_K | 191.1 GB | ✗ No | — | — |
| Q5_K_M | 165.5 GB | ✗ No | — | — |
| Q4_K_M | 141.4 GB | ✗ No | — | — |
| Q3_K_M | 100.6 GB | ✓ Yes | 64K | — |
| Q2_K | 78.1 GB | ✓ Yes | 64K | — |
Assumes a 4K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 128 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the Apple M4 Max: 8K 143.1 GB ✗ · 32K 153.7 GB ✗ · 128K 196 GB ✗. Past 8K it no longer fits 128 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? MiniMax M2.5 230B on 128 GB of system RAM, CPU only: runs, but it is tight.
Every MiniMax M2.5 variant requires more VRAM than the Apple M4 Max provides (128 GB).
Apple M2 Ultra (192 GB VRAM).
MiniMax M2.5 needs ~139 GB but this GPU has 128 GB. Rent a 2× A100 (160 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
No — MiniMax M2.5 doesn't fit the Apple M4 Max's 128 GB. The cheapest card that runs it is the Apple M2 Ultra (192 GB).
The Apple M2 Ultra (192 GB VRAM) is the cheapest upgrade that fits it.
← Can I Run It? | MiniMax M2.5 Model Page | Apple M4 Max GPU Page | Check Your Hardware