LSI (Nasdaq: LSI) is expected to report Q4 earnings on Jan. 23. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict LSI's revenues will expand 12.9% and EPS will expand 7.7%.

The average estimate for revenue is $590.5 million. On the bottom line, the average EPS estimate is $0.14.

Revenue details
 Last quarter, LSI recorded revenue of $624.0 million. GAAP reported sales were 14% higher than the prior-year quarter's $546.9 million.

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

EPS details
 Last quarter, non-GAAP EPS came in at $0.17. GAAP EPS of $0.07 for Q3 were 40% higher than the prior-year quarter's $0.05 per share.

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

Recent performance
 For the preceding quarter, gross margin was 50.1%, 190 basis points better than the prior-year quarter. Operating margin was 8.7%, 160 basis points better than the prior-year quarter. Net margin was 6.4%, 100 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $2.50 billion. The average EPS estimate is $0.73.

Investor sentiment

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on LSI is outperform, with an average price target of $9.45.

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