英偉達發布 BlueField-4 DPU：集成 64 核 Arm CPU，支持 800G 網絡

IT之家

2025/10/29

IT之家 10 月 29 日消息，在今日舉行的 NVIDIA GTC 2025 年 10 月大會（GTC DC）上，英偉達發布了多項重磅新品，其中一項尤為引人注目：下一代 NVIDIA BlueField-4 DPU 不僅將支持 800G 高速網絡和 NVIDIA ConnectX-9 網絡技術，還將集成多達 64 個 Arm 核心。IT之家注意到，英偉達尚未披露 BlueField-4 DPU ...

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完整的規格參數，但已確認新款 NVIDIA BlueField-4 DPU 集成了高達 1260 億個晶體管，並將搭配 NVIDIA ConnectX-9 網絡技術，全面支持 800G 網絡連接能力。最引人關注的是，這款新型 DPU 將配備一個擁有 64 個核心的「Grace」CPU。這一設計頗具深意，因為英偉達此前已將其 Grace 架構應用於當前一代基於 Arm Neoverse V2 的處理器，以及 GB10 平台中 —— 後者同時集成了兩種不同類型的 Arm Cortex 核心。鑑於 BlueField-4 屬於 Rubin 架構產品線並計劃於 2026 年面世，業界普遍預期該芯片至少將支持 PCIe Gen6 接口標準。根據英偉達官方聲明：「NVIDIA BlueField-4 預計將作為 NVIDIA Vera Rubin 平台的一部分，於 2026 年初進入早期可用階段。」在發布會上，英偉達 CEO 黃仁勳（Jensen Huang）指出，新一代網卡（NIC）的關鍵驅動力之一，是加速其系統中的 KV 緩存（Key-Value Cache）處理能力。雖然 NVIDIA Rubin CPX 更側重於預填充（prefill）階段的性能優化，但 KV 緩存在諸如恢復與大語言模型（LLM）的歷史對話等場景中發揮着關鍵作用。對於整個網絡生態系統而言，這一產品意義重大。英偉達的戰略始終是通過打造更大、更強大的芯片，集成更多功能，以提升 AI 工廠的運行效率。儘管 BlueField-4 並非市場上首款採用 64 核 Arm 架構的 DPU，但由英偉達推出的這一產品仍將對行業產生深遠影響，尤其是在當前全球大量資本支出（CapEx）持續投向基於英偉達 GPU 的 AI 集羣背景下，其生態主導地位愈發凸顯。廣告聲明：文內含有的對外跳轉鏈接（包括不限於超鏈接、二維碼、口令等形式），用於傳遞更多信息，節省甄選時間，結果僅供參考，IT之家所有文章均包含本聲明。","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"productRelease","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":false,"code":"91000000","status":"200"}}}