Serving DeepSeek V4 with vLLM
DeepSeek V4 has 1600 billion parameters. vLLM targets production serving, throughput and concurrency. This page gives the memory required and the platforms that qualify.
What is the minimum memory?
DeepSeek V4 totals 1600 billion parameters. In NVFP4 its weights take about 920 GB including the runtime margin. In FP8 the footprint doubles, to about 1,840 GB. The attention cache sits on top and depends on the context served.
What is vLLM for?
vLLM targets production serving, throughput and concurrency. See the vLLM and DeepSeek V4 fact sheets.
On which platforms?
- DeepSeek V4 on H200 SXM server
- DeepSeek V4 on B200 SXM
- DeepSeek V4 on B300 SXM
- DeepSeek V4 on GB300 NVL72
How much memory for DeepSeek V4 with vLLM?
About 920 GB in NVFP4 for the weights, excluding the attention cache.
Does vLLM suit DeepSeek V4?
vLLM serves DeepSeek V4 as soon as the machine offers at least 920 GB of memory, the weight footprint in NVFP4. 4 of the 8 platforms in the catalogue meet that bar.
Method
Parameter counts and memory figures come from the site fact sheets. Memory footprints are calculated, not measured: a reading on real hardware may differ depending on the engine and the exact weight format. Prices are indicative and not contractual.