Super Micro Computer Inc (SMCI) released its fiscal fourth-quarter results for the period ending June 30, 2026, sending a clear signal: while revenue slightly missed Wall Street expectations, profitability improved significantly, and guidance for the new fiscal quarter vastly surpassed market forecasts. This was the primary factor driving the stock's sharp gains in after-hours trading.
For the fourth quarter, the company reported net sales of $11.12 billion, approximately 1.2% below analyst estimates, but nearly double the amount from the same period last year. On a non-GAAP basis, adjusted earnings per share (EPS) surged 315% year-over-year to $1.70, beating market expectations by almost 7%. More crucially, the company's gross margin showed a clear recovery, reaching 17.5% in the fourth quarter, with an adjusted gross margin of 17.6%. This not only exceeded the company's previously raised guidance range of 15% to 17% but was also significantly higher than the initial forecast of 8.2% to 8.4%.
Looking ahead to the current fiscal quarter, Super Micro Computer provided even stronger guidance. The company forecasts first-quarter net sales between $14.5 billion and $15.5 billion, with the midpoint coming in 25% higher than analyst expectations. It also anticipates adjusted EPS of $1.01 to $1.10, which is nearly 43% above market consensus. This suggests that despite the market's existing expectations for AI server demand, the company's path for order conversion and revenue growth is still exceeding projections.
Management attributed the performance improvement to the advancement of its AI and total IT solutions strategy, an increase in the number of enterprise customers, optimized customer and product mix, and the expanded adoption of its data center building block solutions (DCBBS). CEO Charles Liang stated that the company added hundreds of new enterprise and other customers over the past year, secured over $60 billion in new orders during the fourth quarter, and entered fiscal 2027 with a record backlog.
Following the earnings release, shares of Super Micro Computer, which closed Tuesday's regular session up 0.45%, surged in after-hours trading, with gains exceeding 10% at one point. This performance reflects the market's reassessment of the company's growth and earnings resilience. Analysts believe factors supporting the stock's rise include: last quarter's adjusted EPS significantly exceeding expectations, indicating stronger earnings resilience than previously judged; the notable improvement in gross margins last quarter, alleviating concerns about margin pressure; and the current quarter and full-year revenue guidance far exceeding expectations, reinforcing the narrative of expanding AI server demand.
Revenue Slightly Misses Estimates but Surges Over 90% Year-Over-Year
In the fourth quarter, Super Micro Computer's net sales of $11.12 billion fell short of the analyst estimate of $11.26 billion and were near the low end of the company's own guidance range of $11.0 billion to $12.5 billion. However, compared to the $5.76 billion reported in the same quarter last year, sales increased by 91.4%, nearly doubling, which underscores the sustained strong demand for AI servers, data center infrastructure, and related IT solutions.
Company management explained that the revenue shortfall was primarily due to delays experienced by some customers in deploying power, cooling, and networking infrastructure. These delays do not indicate the disappearance of orders but rather a shift in the timing of revenue recognition. The company stated that it expects these deferred revenues to be recognized over the coming quarters.
This is considered a relatively acceptable 'blemish' in the earnings report: revenue did not significantly outperform, but the underlying cause was more related to delivery and infrastructure pacing rather than weak demand. Given that the company simultaneously disclosed over $60 billion in new orders for the fourth quarter and a record year-end backlog, investors are more focused on the company's ability to convert these into revenue over the next few quarters.
Earnings Significantly Exceed Estimates, Net Profit Up Five-Fold Year-Over-Year
In contrast to the slight revenue miss, Super Micro Computer's earnings performance strongly surpassed market expectations.
For the fourth quarter, the company's net profit was $1.17 billion, approximately six times the $195.2 million reported in the same period last year, representing a five-fold year-over-year increase. Diluted EPS was $1.62, 5.2 times the $0.31 EPS from the prior year. Excluding certain one-time items, adjusted EPS came in at $1.70, higher than the analyst estimate of $1.59.
This indicates that the company is not just benefiting from scale growth driven by AI server demand expansion but is also improving profit quality through a better product and customer mix. For Super Micro Computer, which had previously faced market skepticism over gross margin volatility and financial transparency issues, this improvement in profitability is particularly significant.
Judging by the market reaction, investors did not focus on the slight revenue miss but instead placed greater weight on the EPS beat, gross margin improvement, and upward revision of future revenue guidance. This is the primary reason for the substantial after-hours stock price surge.
Gross Margin Becomes the Highlight of This Earnings Report
One of the most closely watched metrics in this earnings report was the gross margin.
Super Micro Computer's fourth-quarter gross margin was 17.5%, with an adjusted gross margin of 17.6%. This level was higher than the 15% to 17% range the company previewed in July and significantly above the initial guidance of 8.2% to 8.4%.
Management stated that the gross margin improvement primarily resulted from an optimized customer and product mix, which includes a richer enterprise customer base, a broader product line, and improved data center modular solutions. The company also noted that while the quarter's gross margin benefited from some one-time positive factors, the core driver remains the strategic adjustment of customer and product structure.
For Super Micro Computer, the gross margin improvement carries a dual significance: On one hand, the market had previously worried that increased competition in the AI server industry, lower margins on customized projects, and high customer concentration could compress profit margins. On the other hand, the company's significant gross margin rebound this quarter demonstrates that it is not merely relying on low-margin volume in the AI infrastructure supply chain but has the capability to enhance profitability through solution-based, modular approaches and enterprise customer expansion.
However, the company forecasts a first-quarter gross margin of 10.4% to 10.8%, a notable decline from the fourth quarter. This suggests that the high gross margin of the fourth quarter may not be linearly extrapolated, and investors will need to monitor the sustainability of its high-profit margins going forward.
First-Quarter Guidance Significantly Exceeds Estimates, Indicating AI Demand is Still Accelerating
The true catalyst for the after-hours stock surge was the company's robust outlook for the first quarter.
Super Micro Computer expects first-quarter net sales of $14.5 billion to $15.5 billion, with a midpoint of $15.0 billion, significantly above the analyst estimate of $11.99 billion. Based on the midpoint, the company's first-quarter revenue would represent a substantial sequential increase from the fourth quarter.
On the earnings front, the company forecasts first-quarter adjusted EPS of $1.01 to $1.10, higher than the market estimate of $0.74. Even considering the expected decline in gross margin from the fourth quarter, the expansion in revenue scale is still expected to support earnings exceeding expectations.
This guidance indicates that Super Micro Computer's order backlog is progressively converting into revenue. Particularly against the backdrop of continuous expansion in AI data center construction, robust demand for GPU servers, and power and liquid cooling infrastructure becoming key bottlenecks, the company, as a supplier of AI servers and total solutions, remains in a high-demand cycle.
Midpoint of Fiscal 2027 Sales Guidance 29% Higher Than Market Expectations
In addition to the first-quarter guidance, Super Micro Computer also provided its full-year outlook for fiscal 2027: it expects full-year net sales between $65.0 billion and $72.0 billion. The midpoint of this guidance range is over 29% higher than the current analyst estimate of approximately $52.99 billion.
If the company achieves the midpoint of this range, it would imply revenue growth of about 75% for the current fiscal year, compared to the analyst estimate of less than 36%. This suggests that Wall Street has significantly underestimated the company's full-year growth potential relative to its own guidance.
The confidence behind this full-year target stems from the order book. The company stated that new orders exceeded $60 billion in the fourth quarter, leading to a record backlog as it enters fiscal 2027. CEO Charles Liang said the company's 'Total AI/IT Solutions' strategy continues to deliver strong results, adding hundreds of new enterprise and other customers over the past year.
This also indicates that Super Micro Computer is actively working to alleviate market concerns about its heavy reliance on a few large customers. By expanding its enterprise customer base, broadening its product lines, and advancing modular data center solutions, it aims to enhance the stability and profitability of its revenue streams.
Customer Delivery Delays are a Short-Term Disturbance; Key Lies in Revenue Conversion Timing
Although revenue slightly missed expectations, management attributed the shortfall to delays experienced by some customers in power, cooling, and networking. This is noteworthy because one of the biggest current bottlenecks in AI data center expansion is precisely infrastructure support.
For AI server vendors, orders do not immediately translate into revenue. Customers need to prepare server rooms, power, cooling, networking, and deployment environments before server delivery and revenue recognition can occur. Therefore, Super Micro Computer's revenue landing at the low end of guidance this quarter does not necessarily indicate weakening demand, but may reflect a mismatch in delivery pacing within the AI infrastructure construction chain.
However, this also introduces a subsequent risk: if bottlenecks in power, liquid cooling, and networking persist, the company's robust order book could continue to face revenue recognition delays. The market will closely watch whether the company can successfully convert its record backlog into sales and cash flow over the coming quarters.
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