How much gross profit can Super Micro Computer retain from an extra $4 billion in revenue in a single quarter?

AI server manufacturer Supermicro has made the market take a fresh look at its revenue estimates. On October 20, the company released a preliminary business update, sharply raising its revenue estimate for the just-ended quarter.

After the announcement, the company's after-hours stock price rose as much as 11.3%. The signal from server demand quickly turned into a reaction in the stock price.

Supermicro also raised its gross margin estimate. With higher revenue, more gross profit is expected to be retained.

Switching the comparison to the previous quarter leads to a different conclusion. The new gross margin estimate is still below the prior quarter. What the market sees as "beating expectations" and whether the company can sustain the prior quarter's profitability level need to be viewed separately.

How large is the extra revenue, really?

According to Supermicro's official update, the latest quarter's revenue estimate is $18.5 billion to $19.5 billion.

This update corresponds to the first quarter of fiscal year 2027, which ended at the end of September. It is the company's preliminary tally for the completed quarter, and full results are still pending disclosure.

Calculated at the midpoint of the announced range, the company has $4 billion more revenue than originally expected. The originally projected sales scale is equivalent to an increase of about one-quarter.

The revenue estimate range shifted upward overall, with the midpoint increasing 26.7%

The market expectation and the company's original guidance in the chart are two different yardsticks. According to data from financial data provider LSEG cited by Reuters, the analyst average estimate was $15.23 billion. Even taking the lower bound of the latest range, revenue exceeds this estimate.

The company mainly attributed the upward revision to increased demand for AI platforms. However, the announcement did not break down how much was contributed by shipment volume, unit price, and product mix respectively. What can be confirmed is that Supermicro's revenue estimate has increased, but the increase cannot be directly treated as the growth rate of new demand for the entire AI industry.

For every dollar sold, is more gross profit retained?

Relative to the original estimate, the answer is yes. In the same announcement, the company raised its gross margin estimate to 12% to 12.5%, attributing the improvement to customer and product mix.

Relative to the previous quarter, the answer is different. According to the prior quarter's financial report, gross margin for that quarter was 17.5%. The latest range is still below this level.

Revenue scale and gross margin are not moving in sync; the latest quarter is a preliminary estimate

Revenue bars pointing upward in the chart do not necessarily mean the gross margin below will move up in tandem. Based on historical quarterly reports and the latest announcement, Supermicro has recorded lower gross margins in quarters when revenue expanded significantly. Revenue scale and how much money is left per dollar of revenue are two different operating outcomes.

To see this difference clearly, we take the midpoint of the latest revenue range and the midpoint of the gross margin range, multiply them to estimate gross profit. Comparing this with the actual gross profit from the previous quarter's report, revenue increased by approximately 70.9% quarter-over-quarter, while the gross profit scenario increased by only about 19.8%.

In more intuitive terms, the business scale grew by roughly 70%, while gross profit grew by about 20%. The decline in gross margin did not offset all the incremental gains from revenue expansion, but it caused gross profit growth to lag significantly behind revenue.

What is calculated here is gross profit, which still has to cover R&D, sales, and administrative expenses. It is also only a midpoint scenario and should not be treated as the net income the company has already reported.

Another boundary is that Supermicro explained why gross margin was higher than originally estimated, but did not explain in this brief announcement why it was lower than the previous quarter. The two comparisons cannot share an unverified cause.

Why does the upward revision of gross margin amplify this earnings change?

Relative to the original estimate, Supermicro experienced two simultaneous upward changes. Sales scale was larger, and the gross profit expected to be retained per dollar of sales was also higher.

Using the same method of multiplying range midpoints, the original gross profit scenario was approximately $1.590 billion, and the new gross profit scenario is approximately $2.328 billion. The latter is nearly half again as much as the former.

This chart first fixes the gross margin at the original estimate midpoint and only increases revenue. Then, on the new revenue scale, it applies the upwardly revised gross margin. Together, the two steps explain why the midpoint gross profit scenario increased by approximately 46.4%.

The two types of effects in the chart are an arithmetic decomposition. Whether revenue is adjusted first or gross margin is adjusted first will change how much increment each component receives, and this cannot be used to judge which type of customer or which product contributed the most in the actual business.

Similarly, multiplying the midpoints of two ranges is neither the gross profit guidance published by the company nor does it mean the actual result will necessarily fall there. The purpose of this calculation is to illustrate how simultaneous improvement in two estimates changes the profitability content of revenue.

Has the money left on the books been collected yet?

This preliminary update did not disclose quarterly cash flow. To understand how much capital Supermicro needs to occupy during growth, we can first look at the previous full fiscal year.

According to Supermicro's latest annual report, the company's full-year net profit was approximately $2.23 billion, with net cash outflow from operating activities of about $6.81 billion. There is a clear gap between the profit on the books and the cash actually flowing in and out of operating activities during the year.

The cash flow gap needs to be understood in the context of the timing of procurement, delivery, and collection. Procurement payments may precede product delivery, and revenue recognition may also precede customer payment. When orders and revenue increase, operating activities may still require more upfront funding.

The balance sheet in the same annual report shows net accounts receivable of approximately $6.13 billion and inventory of approximately $12.9 billion at year-end. These correspond respectively to amounts still to be collected and resources still tied up in raw materials, production, and finished goods.

Both balances are higher than at the end of the prior year, but the changes in balances cannot simply be added together as a complete explanation of operating cash flow. Items such as accounts payable and customer prepayments also affect cash movement.

These are records from the previous fiscal year and cannot be used to assert that collections have already deteriorated in the just-ended quarter. Whether higher revenue was accompanied by faster collection and less inventory tie-up is a question the current announcement does not yet answer.

Supermicro is expected to hold a full earnings call in the morning of November 4 Beijing time. What can currently be broken down are the estimated changes in revenue and gross profit; cash conversion still lacks data for the same quarter.

Additional revenue, retained gross profit, and cash collected are recorded in different financial statements.

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