NVIDIA·DeepSeek R1·DeepseekV3ForCausalLM

DeepSeek R1 0528 NVFP4 v2 — Hardware Requirements & GPU Compatibility

ChatReasoning

DeepSeek R1 0528 NVFP4 v2 is NVIDIA's optimized quantization of the massive 393.6 billion parameter DeepSeek R1 reasoning model, using the NVFP4 format to make this behemoth more practical for local deployment. DeepSeek R1 is renowned for its strong chain-of-thought reasoning, and this version preserves that capability at a fraction of the original memory cost. Running a 393B parameter model locally is no small feat even with aggressive quantization, but NVIDIA's NVFP4 format is specifically designed to squeeze maximum quality from minimal bits on their GPUs. For users with multi-GPU setups who want top-tier reasoning without cloud API dependencies, this is one of the most compelling options available.

204.9K downloads 17 likesSep 2025164K context

Specifications

Publisher
NVIDIA
Family
DeepSeek R1
Parameters
393.6B
Architecture
DeepseekV3ForCausalLM
Context Length
163,840 tokens
Vocabulary Size
129,280
Release Date
2025-09-02
License
MIT

Get Started

How Much VRAM Does DeepSeek R1 0528 NVFP4 v2 Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
IQ2_XXS2.20112.1 GB
IQ2_M2.70136.7 GB
IQ3_XXS3.10156.4 GB
Q2_K3.40171.2 GB
Q3_K_S3.50176.1 GB
Q3_K_M3.90195.8 GB
Q4_04.00200.7 GB
IQ4_XS4.30215.5 GB
Q4_14.50225.3 GB
Q4_K_S4.50225.3 GB
IQ4_NL4.50225.3 GB
Q4_K_M4.80240.1 GB
Q5_K_S5.50274.5 GB
Q5_K_M5.70284.4 GB
Q6_K6.60328.6 GB
Q8_08.00397.5 GB

Which GPUs Can Run DeepSeek R1 0528 NVFP4 v2?

Q4_K_M · 240.1 GB

DeepSeek R1 0528 NVFP4 v2 (Q4_K_M) requires 240.1 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 313+ GB is recommended. Using the full 164K context window can add up to 283.0 GB, bringing total usage to 523.0 GB. No single GPU has enough memory — multi-GPU or cluster setups are needed.

Which Devices Can Run DeepSeek R1 0528 NVFP4 v2?

Q4_K_M · 240.1 GB

2 devices with unified memory can run DeepSeek R1 0528 NVFP4 v2, including NVIDIA DGX H100, NVIDIA DGX A100 640GB.

Related Models

Frequently Asked Questions

How much VRAM does DeepSeek R1 0528 NVFP4 v2 need?

DeepSeek R1 0528 NVFP4 v2 requires 240.1 GB of VRAM at Q4_K_M, or 397.5 GB at Q8_0. Full 164K context adds up to 283.0 GB (523.0 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 393.6B × 4.8 bits ÷ 8 = 236.2 GB

KV Cache + Overhead 3.9 GB (at 2K context + ~0.3 GB framework)

KV Cache + Overhead 286.8 GB (at full 164K context)

VRAM usage by quantization

240.1 GB
523.0 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 5090 run DeepSeek R1 0528 NVFP4 v2?

No — DeepSeek R1 0528 NVFP4 v2 requires at least 112.1 GB at IQ2_XXS, which exceeds the NVIDIA GeForce RTX 5090's 32 GB of VRAM.

What's the best quantization for DeepSeek R1 0528 NVFP4 v2?

For DeepSeek R1 0528 NVFP4 v2, Q4_K_M (240.1 GB) offers the best balance of quality and VRAM usage. Q5_K_S (274.5 GB) provides better quality if you have the VRAM. The smallest option is IQ2_XXS at 112.1 GB.

VRAM requirement by quantization

IQ2_XXS
112.1 GB
Q3_K_S
176.1 GB
Q4_1
225.3 GB
Q4_K_M
240.1 GB
Q5_K_S
274.5 GB
Q8_0
397.5 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run DeepSeek R1 0528 NVFP4 v2 on a Mac?

DeepSeek R1 0528 NVFP4 v2 requires at least 112.1 GB at IQ2_XXS, which exceeds the unified memory of most consumer Macs. You would need a Mac Studio or Mac Pro with a high-memory configuration.

Can I run DeepSeek R1 0528 NVFP4 v2 locally?

Yes — DeepSeek R1 0528 NVFP4 v2 can run locally on consumer hardware. At Q4_K_M quantization it needs 240.1 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

What's the download size of DeepSeek R1 0528 NVFP4 v2?

At Q4_K_M, the download is about 236.18 GB. The full-precision Q8_0 version is 393.63 GB. The smallest option (IQ2_XXS) is 108.25 GB.