<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEETS AND STATEMENTS OF OPERATIONS AS FOUND ON PAGES 1 AND 2 OF THE SILICON
IMAGE, INC. FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENT.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 42,731
<SECURITIES> 20,212
<RECEIVABLES> 7,846
<ALLOWANCES> 215
<INVENTORY> 3,147
<CURRENT-ASSETS> 75,745
<PP&E> 5,976
<DEPRECIATION> 2,170
<TOTAL-ASSETS> 103,981
<CURRENT-LIABILITIES> 18,953
<BONDS> 0
0
0
<COMMON> 54
<OTHER-SE> 84,731
<TOTAL-LIABILITY-AND-EQUITY> 103,981
<SALES> 14,462
<TOTAL-REVENUES> 14,462
<CGS> 5,449
<TOTAL-COSTS> 5,449
<OTHER-EXPENSES> 24,363
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 29
<INCOME-PRETAX> (14,315)
<INCOME-TAX> 98
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (14,413)
<EPS-BASIC> (0.28)
<EPS-DILUTED> (0.28)
</TABLE>