A preliminary fiscal Q4 2026 update stuns investors with gross margins nearly doubling prior guidance, lifting server peers Dell and HPE in sympathy

Key Highlights

  • Gross Margins Nearly Double Guidance: Supermicro now expects GAAP and non-GAAP gross margins of 15% to 17% for fiscal Q4 2026, up from prior guidance of 8.2% to 8.4%.
  • Record $60 Billion in New Orders: Record demand drove Q4 new orders above $60 billion, signaling a robust future delivery pipeline.
  • Server Peers Rally in Sympathy: Dell Technologies rose roughly 5% and Hewlett Packard Enterprise rose roughly 4.5% in sympathy with Supermicro's update.

Super Micro Computer (NASDAQ: SMCI) shares rocketed higher in after-hours trading, adding to a roughly 20% intraday gain, following a bullish preliminary update on its fiscal fourth-quarter 2026 results. While fourth-quarter revenue is expected to land near the low end of the company's previously guided $11.0 billion to $12.5 billion range, the headline surprise came from gross margins, which the company now expects at 15% to 17% on both a GAAP and non-GAAP basis, nearly double the previously guided range of 8.2% to 8.4%.

A Favorable Mix Drives the Margin Surprise

Management attributed the dramatic margin improvement to a more favorable product and customer mix during the quarter, a detail that suggests Supermicro is capturing higher-value orders or shifting its sales toward higher-margin configurations within its AI server and infrastructure product lines, rather than the improvement stemming from a broad-based pricing shift across its entire order book.

Record Order Backlog Signals a Robust Demand Pipeline

Furthermore, record demand drove Q4 new orders above $60 billion, lifting server peers Dell Technologies, up roughly 5%, and Hewlett Packard Enterprise, up roughly 4.5%, in sympathy during the regular session. A backlog of this scale provides visibility into future revenue well beyond the current quarter, and the sympathy moves in Dell and HPE suggest investors are reading the update as a broader signal of resilient AI infrastructure demand across the server hardware sector rather than a company-specific development isolated to Supermicro alone.

A Reprieve After Weeks of Margin and Competitive Concerns

The update, released ahead of the company's scheduled August 11 earnings call, comes after shares had already jumped during the regular session amid a broader chip-sector recovery. It also helps offset recent weeks of pressure on SMCI tied to margin concerns and unconfirmed reports of lost AI server business to Foxconn, concerns that had weighed on the stock's valuation heading into this preliminary disclosure. Whether the improved margin outlook proves durable across future quarters, or reflects a one-time favorable mix shift, is likely to be a central question when full fiscal fourth-quarter results are reported on August 11.

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