Written by: Rita

SanDisk's stock price rose 15% after the investor day, with a positive market reaction.

Goldman Sachs maintained a buy rating and a target price of $2200 in a research report released on August 13, believing that SanDisk's disclosed long-term financial targets significantly exceed market expectations: a compound annual growth rate of mid to high double digits in revenue from FY28 to FY30, a gross margin of 80%, an operating profit margin of 75%, and a free cash flow margin of over 50%. Meanwhile, management plans to return 100% of excess free cash flow to shareholders, with an additional buyback authorization of $14 billion.

This surpasses the narrative logic of traditional NAND manufacturers. Goldman Sachs believes that SanDisk is reshaping revenue visibility through NBMs (long-term customer agreements) and opening up incremental space in the AI inference market through HBF (high bandwidth flash) technology, while the market has not fully priced in these two changes.

80% Gross Margin Rewrites NAND Profit Ceiling

SanDisk’s long-term financial targets presented on investor day prompted the market to reassess the profit potential of its NAND business. Between FY28 and FY30, the company expects a revenue growth rate of mid to high double digits, a gross margin of 80%, an operating profit margin of 75%, an adjusted free cash flow margin of over 50%, and a capital intensity in the single digits. These figures are supported by the NBMs framework, with a weighted average contract duration of about four years, recent pricing fixed, and a two-way protection mechanism setting price floors and ceilings for the long term. Even under a price floor scenario, the gross margin can still reach 80%.

To date, SanDisk has signed contracts with eight customers, with a total contract value of approximately $94 billion, of which the remaining performance obligations amount to $91 billion and financial guarantees are about $16.5 billion. About 50% and 67% of planned capacity for FY27 and FY28 is covered by NBMs, respectively. Goldman Sachs pointed out that the market's previous pricing logic regarding NAND cyclicality needs recalibration, but the real effects of long-term agreements will require time to validate, which is the current biggest uncertainty.

$100 Billion Buyback Reshapes Shareholder Return Logic

Capital returns are another highlight of this investor day. Management clarified three capital allocation priorities: reinvesting in the business to maintain technological leadership, maintaining a strong balance sheet (zero debt + abundant cash), and returning 100% of excess free cash flow to shareholders. The company previously authorized $6 billion for buybacks (approximately $4.5 billion executed), and this time added an authorization of $14 billion, totaling an approximately $15.5 billion remaining buyback capacity.

Goldman Sachs believes that this buyback scale is leading among peers, significantly higher than previous market expectations. For a semiconductor company still in a growth expansion phase, using 100% of excess FCF for buybacks reflects management's confidence in its own cash flow generation ability.

HBF Technology is the Cap Option for the AI Inference Market

SanDisk's technology roadmap provides another layer of upside potential. The core NAND roadmap is progressing steadily, with BiCS 9 and BiCS 10 being the latest generation technologies, and BiCS 11 to 13 at various stages of development. Goldman Sachs believes this is SanDisk's fundamental business, but the real incremental space comes from the HBF technology.

HBF (high bandwidth flash) is aimed at AI inference scenarios, where the increasing long context and inference chain in agent-based AI workloads significantly raises memory bandwidth demands. Management positions KV Cache as the critical working memory for the decoding phase of inference, expected to account for about 35% of the 1.2ZB AI data center TAM by 2032.

SanDisk's analog data shows that an HBF-only architecture requires only half the GPU capacity of an HBM-only architecture for the same token output, indicating higher GPU utilization and capital efficiency. The first HBF products have already been wafered, with the first samples expected to ship in CY27. If HBF achieves widespread adoption in the AI inference market, SanDisk will gain a new growth curve independent of the traditional NAND cycle.

Efficient Manufacturing is a Moat for Long-Term Profits

Beyond NBMs, buybacks, and HBF, SanDisk has another structurally underestimated advantage: manufacturing efficiency. Through its joint venture with Kioxia (extended until 2034), SanDisk has control over the entire manufacturing stack. Management noted that from 2021 to 2025, SanDisk/Kioxia contributed 29% of the industry's bit output, but accounted for only 13% of the industry's capital expenditure. For each additional EB of output, the industry average capital investment is about 2.7 times that of SanDisk.

This efficiency advantage means that SanDisk can achieve mid to high double-digit bit growth with only single-digit capital intensity. With NBMs locking in price floors and HBF opening up the AI incremental market, manufacturing efficiency converts into an amplifier of profitability.

Goldman Sachs has a 12-month target price of $2200 for SanDisk, based on a 20 times price-to-earnings ratio multiplied by a normalized earnings per share of $110. The current stock price is approximately $1344, implying a 64% upside potential.

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