财报 作者 Fred Razak

5 分钟

最后更新: Mon Jul 06 2026

英伟达Kyber机架因制造挑战推迟至2028年

英伟达Kyber机架因制造挑战推迟至2028年

YWO新闻 | 股票 | 深度分析/评论

据研究公司SemiAnalysis周一报道,英伟达下一代Kyber NVL144机架架构已推迟至2028年,原因是关键电路板的制造困难在原定时间表内难以克服。 CNBC 报道称。该系统原定于2027年与Vera Rubin Ultra一同推出,这意味着英伟达将其定位为下一代机架规模的核心产品,现在推迟了12个月以上。

NVDA 周一盘前交易中,该股小幅下跌不到0.1%,报 194.79美元,根据 CNBC 的数据。在报道发布后,该股在盘前交易中几乎没有变动。


PCB中板问题

Kyber并非芯片——它是一个服务器机柜,将英伟达144个最强大的GPU集成在一个单元中,将它们连接起来作为一个集成计算块运行。该系统垂直安装芯片而非水平安装,以提高密度并降低延迟。其核心是一个专门的多层印刷电路板——PCB中板——它连接机柜内的电子模块。

正是这个中板导致了项目的停滞。

“Kyber NVL144机架架构已推迟至2028年,因为PCB中板在可制造性方面仍然存在挑战,”SemiAnalysis表示,正如 CNBC报道的那样。

SemiAnalysis补充称,根据同一份 CNBC 报告,更大的NVL576配置——通过光纤连接八个Kyber机架——也已被推迟或仅限于小批量生产。

英伟达未回应CNBC的置评请求。 CNBC 指出。


备用计划已夭折

时间表的延迟更具影响力的原因是应急计划的命运。英伟达曾试图通过将两个当前一代机架连接在一起,以近似Kyber的计算占用空间来弥补这一差距。但云服务提供商和超大规模数据中心运营商断然拒绝了这一变通方案。

据SemiAnalysis称,根据 CNBC的报道,“由于CSP和超大规模数据中心运营商对其奇特的设计和沉重的运营负担提出强烈反对,该方案已被取消。”

据SemiAnalysis称,替代设计未被进一步推进。SemiAnalysis总结道,英伟达目前“没有经过验证的解决方案来扩大Rubin Ultra的横向扩展规模”,正如 CNBC 援引该研究公司直接报道的那样。据报道,双机架设计是在2026年3月16日于圣何塞举行的英伟达GTC大会上提出的,会上Jensen Huang站在Vera Rubin Ultra Kyber计算托盘和Vera Rubin Ultra Kyber NVLink中板旁边。


AMD和谷歌可能找到突破口的地方

CNBC报道,SemiAnalysis指出,在机架规模市场的顶端出现的空白可能会为Advanced Micro Devices和谷歌提供一个前所未有的技术突破口,这两家公司的内部芯片已经赢得了顶级人工智能实验室的业务。

叙述很重要。英伟达在芯片层面大致遵循年度发布节奏,而竞争对手一直难以跟上其发布步伐。SemiAnalysis指出,英伟达机架规模路线图的任何延迟都可能对在同一细分市场运营的竞争对手产生影响。

尽管如此,当前一代的图景依然完好。据 CNBC 报道,英伟达现有的Rubin系统已全面投入生产,并将于今年秋季开始向包括Amazon Web Services、Microsoft Azure和Google Cloud在内的八家云合作伙伴发货。SemiAnalysis预计,英伟达的数据中心计算收入将在2027财年下半年超出华尔街普遍预期20%。


产能承压

Kyber的推迟是SemiAnalysis所描述的英伟达年度发布节奏与其制造能力限制相冲突的模式的一部分,根据 CNBC. 设计日益密集的机架架构是一个问题。让台湾的制造基地能够大规模、高良率地生产专用多层PCB是另一个问题。

英伟达的芯片路线图和其机架级架构路线图不再同步。芯片——Rubin Ultra——按计划将于2027年推出。为其全规模设计的机柜现已推迟一年。对于已经围绕Kyber时间表承诺了资本支出计划的超大规模数据中心来说,这种分歧可能会影响某些客户的产品部署时间表。 

根据公开信息,此次延迟的商业影响仍不确定。. SemiAnalysis和Anniek Bao的 CNBC报道 确实表明,英伟达没有为最高密度配置宣布任何过渡性产品,也没有确认除SemiAnalysis的2028年指导意见之外的修订时间表。

预计2027财年下半年数据中心收入超出预期的20%可能会帮助抵消一些近期的运营担忧。然而,此次延迟的长期竞争影响仍不确定。.


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