国产NPO与AI超节点:华为Atlas960E跑通了,但供应链还碎片化
2026-09-21 21:42:20  腾讯   [查看原文]

伯恩斯坦9月21日这篇《China Next Winners》报告,我们读下来的核心感受是:市场对中国AI基础设施的关注,还停留在GPU和HBM上,但NPO(近封装光学)和SuperPod才是接下来两年真正要盯的方向。报告给了一个很明确的判断——中国NPO生态有关键构建模块,但比TSMC的COUPE平台更分散;华为Atlas 960E是第一个跑通的NPO SuperPod,SMIC是核心代工受益者。先解释一下NPO。简单说,就是把光引擎从可插拔模块里拿出来,放到PCB上,靠近ASIC。这样做的好处是降低功耗、提高带宽密度。中国厂商目前的方案,大多是边缘耦合、MZM调制器、外置100/200mW CW激光器,目标3.2T带宽。跟NVIDIA Spectrum-X NPO比,NVIDIA用的是光栅耦合、微环调制器(MRM)、400mW激光器。中国方案耦合损耗更低、光带宽更宽、热容忍度更好,但光引擎物理尺寸更大,带宽往3.2T以上走的时候,会受芯片边缘“beachfront”、FAU密度和组装良率的限制。NPO跟可插拔光模块最大的不同,是它必须为每个GPU、NPU或交换ASIC定制。电接口、SerDes、光引擎、FAU、PCB布线、插座、热机械封装,全部要协同设计。所以中国市场现在还在测试多种架构,量产目标定在2027年下半年。这个节奏不算快,但方向是明确的。供应链方面,报告画了一张很清晰的地图。海外派是Innolight和TFC,聚焦海外NPO/CPO机会。TFC跟NVIDIA合作了三年,做FAU和ELS模块。国内派是Accelink和HG Genuine,瞄准国内NPO光引擎需求;Lightelligence和Xphor在做NPO PIC。代工端,Tower Semi还是很多中国PIC设计公司的首选SiPh代工厂,但CanSemi、Maxscent这些本地公司也在扩产。激光器方面,源杰是中国最大的激光器供应商,全球排第六,70mW和100mW CW激光器已经量产,120mW、300mW、400mW在开发中。EugenLight(USI旗下)做ELS封装,单通道23dBm,超过200mW,目标1Q27量产。PM光纤是另一个受益环节,YOFC、YOEC、亨通、烽火都有机会,如果Corning扩大采购,中国供应商还能受益。华为是这里面的关键玩家。海思在做NPO,主要给Ascend SuperPod做光scale-up链路。CIOE 2026上海思展示了两条路径:3.2T VCSEL光引擎,用于短距;7.2T SiPh NPO引擎,36个200G lane,用于更高带宽的SuperPod。华为控制核心架构,包括ASIC/NPU接口、SerDes、RFIC/EIC和光引擎设计,但通过OPEN NPO MSA建外部生态。2026华为全联接大会上,华为发布了Atlas 960E SuperPod,用5500个7.2T光引擎,替代48000个800G光模块,省550kW功耗。这个数字很夸张,相当于把光互连的功耗直接砍掉一大半。Atlas 960E的规格:单集群4096个NPU,FP8下8 EFLOPs,最高1PB HBM。对比一下,华为CloudMatrix 384是384个加速器,12个机架,每机架32个,BF16 300 PFLOPs,49.2TB HBM,1129 TB/s HBM带宽,134.4 Tb/s scale-up带宽,系统功耗5593kW。NVIDIA GB200 NVL72是72个GPU,180 PFLOPs,13.8TB HBM,576 TB/s,64.8 Tb/s,功耗1455kW。阿里Panjiu AL128是128个加速器,18.4TB HBM,629 TB/s,25.6 Tb/s。华为的scale-up带宽明显更高,因为用了光互连。成本方面,报告估算华为Ascend 910C每加速器机架成本约2.5万美元,NVIDIA GB200超过4.5万美元。这个成本优势,一部分来自光互连方案,一部分来自本地供应链。中国AI服务器市场,报告的判断是2H26恢复。2025-26年出货下降,主要是因为美国对NVIDIA GPU的出口限制。但国内AI加速器生态在成熟,先进节点代工产能2024-2028快速扩张,所以国内AI服务器出货会恢复。互联网资本开支很猛:阿里2025-27超3800亿人民币,字节2025约2000亿人民币,2026可能到700亿美元。中国移动、电信、联通也在加码算力投资。SuperPod成为主导架构,2026是增长第一年。受益的环节,报告点了几个方向。ABF基板:Quince(Unimicron子公司,OP)、AT&S、Leading(ZDT子公司)占中国ABF基板市场一半以上。交换机:华为、H3C、锐捷。服务器ODM/OEM:浪潮(IEIT)2026H1收入840亿人民币,净利30亿,增长270%;xFusion从华为x86服务器业务分拆,1H26毛利率15.5%;华勤是腾讯阿里前二供应商,30-40%份额,突破字节,最大非华为SuperPod供应商,今年SuperPod收入100亿+,明年可能翻倍;立讯精密通信业务1H26增长50%,占集团收入近10%,2027年中光模块产能1200万只。投资评级方面,伯恩斯坦OP的有:Luxshare(立讯精密)、Sunny Optical(舜宇光学)、Unimicron(欣兴电子)、Chroma(致茂)、Delta(台达)、Largan(大立光)、Hygon(海光)、Cambricon(寒武纪)、SMIC(中芯国际)。Quanta(广达)是Underperform。SMIC是双重受益,既是华为LogicFolding芯片的代工,又是NPO芯片的核心代工。报告特别提到,华为在发布会上公开讲芯片性能,说明不担心美国进一步限制设备,这是走向先进逻辑自主的重要一步。风险也有。NPO定制化导致碎片化,每个ASIC都要单独设计,良率爬坡慢,量产要等到2H27,短期收入贡献有限。DSP移除后,PIC和驱动/TIA集成更紧,对激光器、光纤耦合和热管理要求更高。另外,Geekbench这类合成测试有局限性,报告也承认,所以它只选了零售机正常固件的成绩。我们觉得,这份报告最有价值的地方,是指出了NPO和SuperPod的协同效应。华为Atlas 960E用5500个NPO替代48000个800G光模块,这不是简单的数量替换,是架构级的改变。光互连从可插拔走向近封装,功耗、带宽、成本都会重构。SMIC、ABF基板、交换机、ODM,每个环节都有机会。但生态碎片化意味着不会一家通吃,各环节的龙头都有机会。伯恩斯坦说这是“China Next Winners”,我们认同。后续要跟踪的是:NPO量产良率、华为Atlas 960E的实际部署进度、以及非华为SuperPod的采用情况。这些信号出来之前,市场可能还会低估这个方向。

OCR:IMG:Asia Tech Hardware tWinners-AsiaTech:ThepushtowardNPOandA SuperPod ThisreportispartofaseriesonChinaNextWinnersinwhichweidentifythenextgeneratio AlexWang,CFA +85221232613 ofindustriesandcorporatewinnersinChina. alex.wang@bernsteinsg.com China'sNPO ecosystem hasthekeybuilding blocksbutremainsmore fragment QingyuanLin,Ph.D. thanTSMC'sCOUPEplatform.CurrentdomesticNPO demonstrationsgenerallybased +85221232654 edge-coupled,MZMopticalengines(OE)withexternal100/200mWCWlasers,targe qingyuan.lin@bernsteinsg.com Unlikepluggabletransceivers.NPOmustbecustomi EthanXu IC,requiringco-designofelectrical/SerDesinterface +85221232634 ketdesign,andthermalmechanicalpackage.Chineses ethan.xu@bernsteinsg.com ofvalue chainarevalidatingandsamplingproducts,withvolumeproduction targeted 2H27. Kai Zhang +85221232665 kai.zhang@bernsteinsg.com Mapping ChinaNPOsupplychain:InnolightandTFCremainfocusonoverseasNPO/CP anningPICdesign/OEpackagingandFAUsupply,resp Francis Ma eniunearetargetingdomesticNPOOEdemand,while +85221232626 pingNPOPICs.TowerSemiremainsoneofthetopSi francis.ma@bernsteinsg.com hers,thoughlocalcompaniesincludingCanSemiaree productionlines.TheadoptionofELSshouldbenefitslasersourcesupplierssuchasYuanj packagingcompanyincludingEugenLightandPMfibersuppliers.

OCR:IMG:Asia Tech Hardware tWinners-AsiaTech:ThepushtowardNPOandA SuperPod ThisreportispartofaseriesonChinaNextWinnersinwhichweidentifythenextgeneratio AlexWang,CFA +85221232613 ofindustriesandcorporatewinnersinChina alex.wang@bernsteinsg.com China'sNPO ecosystem hasthekeybuilding blocksbutremainsmore fragment Qingyuan Lin,Ph.D. thanTSMC'sCOUPEplatform.CurrentdomesticNPO demonstrationsgenerallybased +85221232654 edge-coupled,MZMopticalengines(OE)withexternal 100/200mWCWlasers,targe qingyuan.lin@bernsteinsg.com Unlikepluggabletransceivers.NPOmustbecustomi EthanXu IC,requiringco-designofelectrical/SerDesinterface +85221232634 ketdesign,andthermalmechanicalpackage.Chineses ethan.xu@bernsteinsg.com ofvalue chain arevalidating and samplingproducts,withvolumeproduction targeted 2H27. Kai Zhang +85221232665 kai.zhang@bernsteinsg.com Mapping ChinaNPOsupplychain:InnolightandTFCremainfocusonoverseasNPO/CP opportunities,spanningPICdesign/OEpackagingandFAUsupplyrespectively.Incont Francis Ma eniunearetargetingdomesticNPOOEdemand,while +85221232626 ngNPOPICs.TowerSemiremainsoneofthetopSiP francis.ma@bernsteinsg.com Chinese PICdesignersthoughlocal companiesincludingCanSemiareexpanding theSit productionlines.TheadoptionofELSshould benefitslasersourcesupplierssuchasYuan packagingcompanyincludingEugenLightandPMfibersuppliers.

OCR:IMG:Asia Tech Hardware tWinners-AsiaTech:ThepushtowardNPOandA SuperPod ThisreportispartofaseriesonChinaNextWinnersinwhichweidentifythenextgeneratio AlexWang,CFA +85221232613 ofindustriesandcorporatewinnersinChina. alex.wang@bernsteinsg.com China'sNPO ecosystem hasthekeybuilding blocksbutremainsmore fragment Qingyuan Lin,Ph.D. thanTSMC'sCOUPEplatform.CurrentdomesticNPO demonstrationsgenerallybased +85221232654 edge-coupled,MZMopticalengines(OE)withexternal100/200mWCWlasers,targe qingyuan.lin@bernsteinsg.com Unlikepluggabletransceivers.NPOmustbecustomi EthanXu IC,requiringco-designofelectrical/SerDesinterface +85221232634 ketdesign,andthermalmechanicalpackage.Chineses ethan.xu@bernsteinsg.com ofvalue chainarevalidatingandsamplingproducts,withvolumeproduction targeted 2H27. Kai Zhang +85221232665 kai.zhang@bernsteinsg.com Mapping ChinaNPOsupplychain:InnolightandTFCremainfocusonoverseasNPO/CP anningPICdesign/OEpackagingandFAUsupply,resp Francis Ma eniunearetargetingdomesticNPOOEdemand,while +85221232626 pingNPOPICs.TowerSemiremainsoneofthetopSi francis.ma@bernsteinsg.com hers,thoughlocal companiesincludingCanSemiaree productionlines.TheadoptionofELSshouldbenefitslasersource supplierssuchasYuanj packagingcompanyincludingEugenLightandPMfibersuppliers.

OCR:IMG:Source: Broadcom EXHIBIT4:ChinaNPOdemonstrationsgenerallybasedonedge-coupled Edge coupling Grating coupling Fiberdensity Onlyallowonerowoffibers,limiteddensity Allowmultiplerowoffibers,more compact Manufacturingdifficulty Complex,requireadditionalcleavingand Simple,andcompatiblewithwafer-leveltesting olishingprocesstocreatethecouplingfacet Couplingloss Low Relativelyhigh Operatingbandwidth Broad Relativelynarrow Polarizationsensitivity Low Relativelyhigh GlobalFoundries:Broadcom(earlierCPO Representativeplayers Nvidia,TSMC products):ChinaNPOcompanies Source:Ansys,Tsinghua University and Bernstein analysis ASIATECHHARDWARE BERNSTEIN|SOCIETECENERALECROUP 4

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