English(EN) Would upgrading from 6x3090s (all running at PCIe 4.0 16x) to 8x3090s (2 at PCIe 4.0 8x, the rest 16x) be worth it?

用户考虑升级到 8x RTX 3090 以获得更大的 LLM 上下文

作者 PulseAugur 编辑部 · [1 个来源] · 2026-07-17 16:01

r/LocalLLaMA subreddit 上的一位用户正在考虑从六个 NVIDIA RTX 3090 GPU 升级到八个，其中一些运行在 PCIe 4.0 8x 速度。主要动机是可能以 Q8 量化运行 Deepseek-V4 等更大的模型，并支持更大的上下文窗口。然而，用户质疑除了完成此类构建的满足感之外的实际价值。 AI

排序理由用户生成的内容，讨论用于本地运行 LLM 的硬件配置，不是主要来源发布或重要的行业事件。

在 r/LocalLLaMA 阅读 →

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AI 生成摘要 · Google Gemini · 来自 1 个来源。我们如何撰写摘要 →

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r/LocalLLaMA TIER_1 English(EN) · /u/dazzou5ouh · 2026-07-17 16:01

Would upgrading from 6x3090s (all running at PCIe 4.0 16x) to 8x3090s (2 at PCIe 4.0 8x, the rest 16x) be worth it?

<div class="md"><p>Currently I have 6x3090s but was considering getting a pcie splitter and using the last free slot of my motherboard to add two more. Would that be worth it? Tbh it would be satisfying to achieve such a build since it maxes out the motherboard but…

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Would upgrading from 6x3090s (all running at PCIe 4.0 16x) to 8x3090s (2 at PCIe 4.0 8x, the rest 16x) be worth it?

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