Samsung Electro-Mechanics Secures $2.8B in Substrate Payments

Samsung Electro-Mechanics Secures Advance Payments From NVIDIA and Tesla

Samsung Electro-Mechanics has secured advance payments totaling KRW 3.7 trillion, equivalent to approximately USD 2.8 billion, from NVIDIA and Tesla to expand its build-up film (ABF) substrate production capacity, according to Korean media reports published on October 22. The payments are intended to secure priority access to semiconductor substrates for both companies over the medium to long term. The agreements connect the South Korean component manufacturer with two major customers developing technologies that depend on advanced semiconductor packaging, including computing hardware and artificial intelligence systems. The planned capacity expansion will include dedicated production arrangements designed to support the companies' respective supply requirements.

NVIDIA Commits Investment to Dedicated Substrate Production

NVIDIA, which announced a partnership with Samsung Electro-Mechanics on October 21, is investing USD 2 billion in factory expansion and dedicated production lines at sites in Sejong and Busan, South Korea. The supply agreement covers advanced package substrates for NVIDIA's compute chipsets, as well as substrates for high-speed networking switches. These switches support ultra-fast chip-to-chip connectivity within data centers, where computing and networking components must exchange information efficiently. Deliveries under the agreement are scheduled to begin in 2026. By 2028, production allocated to NVIDIA is projected to represent a significant portion of Samsung Electro-Mechanics' total annual package substrate production capacity.

Tesla Invests in FC-BGA Substrates for AI Semiconductors

Tesla is investing USD 830 million in Samsung Electro-Mechanics, which plans to establish a dedicated production line for the automaker at its Sejong plant. The line will manufacture flip-chip ball grid array (FC-BGA) substrates for artificial intelligence semiconductors intended for use in autonomous electric vehicles and Tesla's Optimus humanoid robot. The arrangement adds a dedicated automotive and robotics-related application to the company's expanding substrate production operations. The planned products are designed to support AI semiconductor requirements, although the source information does not specify the final technical specifications, production volumes, or exact allocation of the substrates across Tesla's vehicle and robotics programs.

Five-Year Tesla Supply Agreement Targets 2029 Deliveries

The FC-BGA supply contract between Samsung Electro-Mechanics and Tesla is scheduled to run for five years, from 2029 through 2033. Samsung Electro-Mechanics plans to begin mass production in the second half of 2028, with deliveries to Tesla scheduled to start in 2029. This timeline separates the planned production ramp-up from the beginning of contractual supply. The dedicated line at Sejong is intended to support the agreement, while the five-year term provides a defined period for the planned deliveries. The source does not disclose the annual substrate quantities, contract value attributable specifically to the supply agreement, or detailed manufacturing targets for individual years.

Potential Connection to Tesla's A15 AI Semiconductor

Tesla CEO Elon Musk previously stated that the next-generation AI semiconductor designed by Tesla, known as A15, will be produced by the Samsung Electronics foundry division. The possibility of using Samsung Electro-Mechanics' FC-BGA substrates with this semiconductor is also under discussion. This potential connection is relevant because semiconductor manufacturing and substrate production are distinct parts of the chip supply chain: the foundry produces the semiconductor, while the substrate supports its packaging and electrical connections. However, the source describes the proposed application of Samsung Electro-Mechanics' FC-BGA technology to A15 as a possibility being discussed, not as a confirmed final selection or completed supply arrangement.

Sejong Factory Expansion Builds on Earlier Investment Plans

The latest agreements build on Samsung Electro-Mechanics' previously announced manufacturing expansion. In September 2025, the company said it would invest KRW 4.27 trillion to expand a new factory within its Sejong business site. According to the reported information, a significant portion of that investment was expected to come from major technology companies. The newly reported advance payments from NVIDIA and Tesla are consistent with a strategy in which large customers help support additional production capacity while securing priority access to important components. The available information does not specify how the reported payments relate financially to the previously announced KRW 4.27 trillion investment or whether the figures represent overlapping commitments.

How the Agreements Fit Into the Semiconductor Supply Chain

The agreements cover different substrate requirements and customer applications. NVIDIA's arrangement includes substrates for compute chipsets and high-speed networking switches used in data centers, with deliveries scheduled from 2026. Tesla's arrangement centers on FC-BGA substrates for AI semiconductors associated with autonomous electric vehicles and the Optimus humanoid robot, with deliveries scheduled from 2029. Dedicated production lines are planned to support these distinct requirements at Samsung Electro-Mechanics' facilities. Although the agreements establish intended supply priorities and production timelines, the source does not provide detailed capacity figures, unit pricing, annual delivery volumes, or confirmation of the final substrate design for each individual semiconductor.

Key Investment and Production Timelines

Production Commitments and Remaining Details

The reported agreements establish planned investments, dedicated production arrangements, and different delivery schedules for NVIDIA and Tesla. NVIDIA's supply is expected to begin earlier, in 2026, while Tesla's FC-BGA deliveries are planned from 2029 after mass production begins in the second half of 2028. The source also identifies a possible connection between Samsung Electro-Mechanics' substrates and Tesla's A15 AI semiconductor, but does not confirm that application as finalized. Important details remain undisclosed, including exact production volumes, individual substrate prices, the full allocation of the expanded capacity, and the final specifications for the products intended for each customer. These distinctions matter when assessing the scale and timing of the commitments.

Industry Impact & Outlook

The agreements indicate that major AI and automotive technology customers are prepared to support semiconductor substrate capacity in exchange for priority supply, strengthening the strategic importance of advanced packaging components alongside chip manufacturing itself. For Samsung Electro-Mechanics, the planned dedicated lines could deepen relationships with NVIDIA and Tesla while expanding its role in data center computing, autonomous vehicle hardware, and humanoid robotics. South Korea's Sejong and Busan facilities are central to the announced expansion, although the eventual impact will depend on execution, actual production volumes, and customer demand. The next milestones are the planned start of NVIDIA deliveries in 2026, Tesla-related mass production in late 2028, and Tesla supply beginning in 2029.

Frequently Asked Questions

How much has Samsung Electro-Mechanics secured from NVIDIA and Tesla?
Samsung Electro-Mechanics has reportedly secured KRW 3.7 trillion, equivalent to approximately USD 2.8 billion, in advance payments from NVIDIA and Tesla. The payments are intended to support expanded ABF substrate production capacity and secure priority access to semiconductor substrates over the medium to long term. The reported advance payments are distinct from the individual investments described for the two customers. The source does not provide a detailed breakdown of how the total payment is divided between NVIDIA and Tesla or specify the complete contractual conditions governing the payments.

What is NVIDIA investing in at Samsung Electro-Mechanics?
NVIDIA is investing USD 2 billion in factory expansion and dedicated production lines at Samsung Electro-Mechanics facilities in Sejong and Busan, South Korea. The associated supply agreement covers advanced package substrates for NVIDIA compute chipsets and substrates for high-speed networking switches used in data centers. These switches enable ultra-fast chip-to-chip connectivity. Deliveries are scheduled to begin in 2026, and by 2028, NVIDIA-allocated production is projected to represent a significant portion of Samsung Electro-Mechanics' total annual package substrate production capacity. The source does not quantify the exact share of that capacity.

What will Samsung Electro-Mechanics supply to Tesla?
Samsung Electro-Mechanics plans to produce flip-chip ball grid array, or FC-BGA, substrates for AI semiconductors intended for Tesla's autonomous electric vehicles and Optimus humanoid robot. The company plans to build a dedicated production line for Tesla at its Sejong plant. Mass production is scheduled to begin in the second half of 2028, with supply expected to start in 2029. The source does not disclose exact production volumes or confirm how the substrates will be distributed between Tesla's vehicle and robotics applications, so those details should not be assumed.

When will Tesla receive FC-BGA substrates under the agreement?
Tesla's FC-BGA supply contract is scheduled to cover five years, from 2029 through 2033, with deliveries planned to begin in 2029. Samsung Electro-Mechanics expects to start mass production in the second half of 2028 at a dedicated line within its Sejong plant. The production start therefore precedes the planned beginning of deliveries. The source does not identify annual shipment quantities, specific delivery dates, or detailed capacity targets for each contract year. Those figures would be needed to calculate the agreement's annual supply scale or determine its precise contribution to Tesla's semiconductor requirements.

Will Samsung Electro-Mechanics' substrates be used in Tesla's A15 AI semiconductor?
The possibility of using Samsung Electro-Mechanics' FC-BGA substrates with Tesla's next-generation A15 AI semiconductor is being discussed, but the source does not describe the application as finalized. Tesla CEO Elon Musk previously stated that the A15 semiconductor designed by Tesla would be produced by Samsung Electronics' foundry division. Foundry manufacturing and substrate production serve different roles in the semiconductor supply chain. The reported discussion concerns whether Samsung Electro-Mechanics' substrate technology could be applied to that chip, not confirmation that the company has received a finalized substrate selection for A15.

How does the new agreement relate to Samsung Electro-Mechanics' earlier factory expansion plan?
In September 2025, Samsung Electro-Mechanics announced a planned KRW 4.27 trillion investment to expand a new factory within its Sejong business site. The reported announcement indicated that a significant portion of the investment would come from major technology companies. The later-reported advance payments from NVIDIA and Tesla relate to plans for expanded substrate production capacity, but the source does not establish whether those payments are included in the earlier investment figure or how the amounts overlap. The two figures should therefore be treated as separate reported financial details unless further company disclosures clarify their relationship.