SanDisk (Nasdaq: SNDK) reported earnings on Oct. 18. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Sep. 30 (Q3), SanDisk beat expectations on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue dropped and GAAP earnings per share dropped significantly.

Margins dropped across the board.

Revenue details
SanDisk chalked up revenue of $1.27 billion. The 24 analysts polled by S&P Capital IQ expected revenue of $1.22 billion on the same basis. GAAP reported sales were 10% lower than the prior-year quarter's $1.42 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
EPS came in at $0.48. The 24 earnings estimates compiled by S&P Capital IQ forecast $0.34 per share. GAAP EPS of $0.31 for Q3 were 68% lower than the prior-year quarter's $0.96 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 30.8%, 1,340 basis points worse than the prior-year quarter. Operating margin was 10.4%, 1,690 basis points worse than the prior-year quarter. Net margin was 6.0%, 1,050 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $1.50 billion. On the bottom line, the average EPS estimate is $0.64.

Next year's average estimate for revenue is $4.97 billion. The average EPS estimate is $1.85.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 1,911 members out of 2,060 rating the stock outperform, and 149 members rating it underperform. Among 403 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 375 give SanDisk a green thumbs-up, and 28 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on SanDisk is outperform, with an average price target of $45.84.

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Seth Jayson had no position in any company mentioned here at the time of publication. You can view his stock holdings here. He is co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. The Motley Fool has no positions in the stocks mentioned above. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.