Written by Jakub Rusinowski · Last updated July 12, 2026
Yes, comfortably — you'll have ~65.2 GB of headroom running Command R+ (104B) at Q4_K_M (62.8 GB, ~5 tok/s (est.)) with room for up to 64K context.
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or compare on Vast.ai from $0.77/hr (typical low · varies)
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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 | 209.9 GB | ✗ No | — | — |
| Q8_0 | 112.4 GB | ✓ Yes | 32K | — |
| Q6_K | 87.2 GB | ✓ Yes | 64K | — |
| Q5_K_M | 75.6 GB | ✓ Yes | 64K | — |
| Q4_K_M | 64.7 GB | ✓ Yes | 64K | — |
| Q3_K_M | 46.2 GB | ✓ Yes | 64K | — |
| Q2_K | 36.1 GB | ✓ Yes | 64K | — |
Assumes a 4K-token context with an f16 KV cache. 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 65.7 GB · 32K 72.2 GB · 125K 97.1 GB. Every window this model publishes still fits 128 GB.
No compatible GPU? Command R+ (104B) on 256 GB of system RAM, CPU only: runs, but too slowly to be worth it.
| Command R+ (104B) | Q4_K_M · 62.8 GB · ~5 tok/s (est.) |
| Command R (35B) | Q4_K_M · 21.1 GB · ~11 tok/s (est.) |
At 2 hrs/day, buying (~$3,499) beats renting at $0.77/hr after about 6.3 years.
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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 ~65.2 GB of headroom running Command R+ (104B) at Q4_K_M (62.8 GB, ~5 tok/s (est.)) with room for up to 64K context.
Command R+ (104B) at Q4_K_M quantization (62.8 GB), estimated ~5 tokens/sec, up to 64K context.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| Command R+ (104B) | 62.8 GB | Runs | ~5 tok/s |
| Command R (35B) | 21.1 GB | Runs | ~11 tok/s |
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