estimate
Can I run Reflection Beam 1.0 on a Dual RTX 4090?
No: needs ~307.7 GB, this card has ~46.8 GB usable (estimate)
speed: not estimated for MoE yet
Can I run Reflection Beam 1.0 on a Dual RTX 4090? No: needs ~307.7 GB, this card has ~46.8 GB usable (estimate). About 307.7 GB at Q4_K_M (estimate).
VRAM per quant for Reflection Beam 1.0
Updated . The later of the hardware price date and the formula date.
| Quant | Context | Weights | KV | Overhead | Total | Usable | Fit |
|---|---|---|---|---|---|---|---|
| Q4 Q4_K_M | 8,192 tokens | 306.5 GB measured GGUF file size | 0.4 GB estimate | 0.8 GB estimate | 307.7 GB estimate | 46.8 GB estimate | no |
| Q5 Q5 (~0.71 bytes/param) | 8,192 tokens | 355.9 GB estimate | 0.4 GB estimate | 0.8 GB estimate | 357.1 GB estimate | 46.8 GB estimate | no |
| Q8 Q8 | 8,192 tokens | 536.4 GB estimate | 0.4 GB estimate | 0.8 GB estimate | 537.6 GB estimate | 46.8 GB estimate | no |
| FP16 FP16 | 8,192 tokens | 1,002.6 GB estimate | 0.4 GB estimate | 0.8 GB estimate | 1,003.8 GB estimate | 46.8 GB estimate | no |
| Q4, longer context | 32,768 tokens | 306.5 GB measured GGUF file size | 1.3 GB estimate | 0.8 GB estimate | 308.6 GB estimate | 46.8 GB estimate | no |
Formula estimate, not a benchmark. Method →
Cheapest catalog option that fits at Q4
No catalog row fully fits at Q4 (estimate).
This hardware
$8,206€7,330
price as of 16 Oct 2026
128 GB DDR4 (estimate): $2,754€2,460. From the 16 Oct 2026 fact-check.
rest of system (estimate): $560€500. The total is the GPU price plus the RAM line plus this estimate. It is not a checked system price.
price unverifiedGPU line is 2× the used median €2,185 (€4,370), labelled used, from pcprice.watch (https://www.pcprice.watch/gpu-buying-guide/rtx-4090-price-used-and-specs). 128 GB DDR4 (estimate) €2,460, from the 16 Oct 2026 fact-check. Rest of system (estimate) €500. Other parts from €500 in that fact-check. Not a shop listing. DDR5 was not separately priced, so this total uses the sourced 128 GB DDR4 line. The total is the GPU price plus the RAM line plus that rest estimate. It is not a checked system price.
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Reflection Beam 1.0 on Dual RTX 4090
[](https://localllmrig.com/can-i-run/beam-1.0/dual-rtx-4090?utm_source=badge)
Questions
- Can I run Reflection Beam 1.0 on a Dual RTX 4090?
- No: needs ~307.7 GB, this card has ~46.8 GB usable (estimate).
- How much memory does Reflection Beam 1.0 need at Q4?
- About 307.7 GB at 8,192 tokens (estimate): 306.5 GB weights (measured GGUF file size), 0.4 GB KV cache, 0.8 GB overhead.
- How fast is Reflection Beam 1.0 on Dual RTX 4090 (estimate)?
- speed: not estimated for MoE yet