CloudMatrix 384 Supplier Ring

Huawei · Ascend 910C · 21 supplier rows

The Huawei CloudMatrix 384 is built from 18 component groups supplied by 6 named companies. None of 18 components has some US production today and none has US production planned; every build country is disclosed.

Supplier ring for Huawei CloudMatrix 384: 18 components arranged in a ring, each shaded by whether its best-known supplier makes it in the US, makes some in the US, plans US production, makes it abroad, or does not disclose where Accelerator CPU HBM Packaging PCB, substrate Tray ODM Rack build Scale-up switch Scale-up cable NIC Optics Power shelf Busbar Battery backup CDU Cold plates Quick disconnects Enclosure CloudMatrix 384384 accelerators Made in US Some US volume US planned Made abroad Not disclosed
Supplier rows
21
Named suppliers
6
US now
0 of 18
US planned
0 of 18
Hub
Supply Chain

At a glance

Platform Summary

All-optical scale-up with 6912 LPO transceivers; Atlas 950 SuperPoD with 8192 chips due Q4 2026. See Cluster Layer.

Huawei CloudMatrix 384 at a glance
ItemValue
DesignerHuawei
AcceleratorAscend 910C
Host CPUKunpeng
Accelerators per unit384 (16 racks (12 compute and 4 switch))
Scale-up fabricHuawei UB fabric over optics
Scale-out fabric400G per NPU
CoolingNot confirmed
Power (kW)About 559 for the system
StatusShipping, volume from 2025

Supplier ring

Who Makes Each Component

Supplier ring for Huawei CloudMatrix 384
ComponentSupplierRoleMade inUS statusEvidenceNotes
AcceleratorTSMCN7 dies via Sophgo proxy; pre-ban stockpilePrimaryTaiwanMade abroadMeasured SourceTechInsights teardown found TSMC dies; about 2.9M dies were stockpiled before the TSMC cutoff
AcceleratorSMICN+2 7 nm-class diesSecond sourceChinaShanghai, Shenzhen, BeijingMade abroadClaimed SourceDomestic substitution for TSMC dies; yields remain a constraint
CPUHuaweiHiSilicon Kunpeng CPUSoleMade abroadCommitted SourceFour Kunpeng CPUs per eight-NPU node; foundry not disclosed
HBMSamsungHBM2E stockpilePrimarySouth KoreaMade abroadMeasured SourcePre-ban stockpile of about 11.7-13M stacks; also re-exported via the CoAsia and Faraday route
HBMSK hynixHBM2ESecond sourceSouth KoreaMade abroadMeasured SourceFound in teardown; SK hynix says it stopped dealing with Huawei in 2020
HBMCXMTSecond sourceChinaMade abroadClaimed SourceDomestic substitution; about 2.2M stacks projected for 2026
Advanced packagingNot disclosedPrimaryChinaMade abroadClaimed Domestic OSAT unconfirmed; JCET and Tongfu pack CXMT memory
PCB and substrateNot disclosedPrimaryChinaMade abroadClaimed SourceAtlas 950 SuperPoD with 8192 Ascend 950 chips and in-house HiBL/HiZQ HBM is due Q4 2026
Compute tray ODMHuaweiSoleChinaMade abroadClaimed SourceHuawei designs and builds its own nodes
Rack integrationHuaweiSoleChinaMade abroadClaimed Source16 racks: 12 compute and 4 scale-up switch racks
Scale-up switchHuaweiUB switch ASICSoleMade abroadCommitted SourceSeven UB switch ASICs per node plus a UB spine tier; foundry not disclosed
Scale-up cablingNot disclosedPrimaryChinaMade abroadClaimed SourceScale-up runs over optics rather than copper
Scale-out NICNot disclosedPrimaryMade abroadClaimed Source400G scale-out per NPU; Atlas 950 SuperPoD shifts to Hi-ONE NPO optics
Optical transceiversNot disclosedHuawei in-house or Chinese module makersPrimaryChinaMade abroadClaimed Source6912 x 400G LPO; InnoLight and Eoptolink roles unverified
Power shelfNot disclosedPrimaryChinaMade abroadClaimed System draws about 600 kW; Huawei Digital Power use unconfirmed
Rack busbar and power distributionNot disclosedPrimaryChinaMade abroadClaimed
Battery backup and capacitorsNot disclosedPrimaryChinaMade abroadClaimed
Coolant distribution unitNot disclosedPrimaryChinaMade abroadClaimed Cooling method not confirmed in sources
Cold plates and manifoldsNot disclosedPrimaryChinaMade abroadClaimed
Quick disconnectsNot disclosedPrimaryChinaMade abroadClaimed
Rack enclosureNot disclosedPrimaryChinaMade abroadClaimed

US share

What Is Made in the US

  • No component of this platform is made, or planned to be made, in the US on current evidence.

Record

Dataset Record

Dataset
Supplier ring for Huawei CloudMatrix 384: 21 rows across 18 components
Sources
Company filings and press releases, SemiAnalysis, TrendForce, DigiTimes, KGI and Morgan Stanley via Taiwan press, Nvidia, AMD, Google, AWS, Microsoft, Cerebras; source link on each row
Last verified
October 2026