<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM TUT SYSTEMS,
INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                          14,268
<SECURITIES>                                   118,533
<RECEIVABLES>                                   31,186
<ALLOWANCES>                                      (543)
<INVENTORY>                                     22,267
<CURRENT-ASSETS>                               188,741
<PP&E>                                          14,582
<DEPRECIATION>                                  (3,946)
<TOTAL-ASSETS>                                 259,393
<CURRENT-LIABILITIES>                           24,124
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            16
<OTHER-SE>                                     233,248
<TOTAL-LIABILITY-AND-EQUITY>                   259,393
<SALES>                                         66,055
<TOTAL-REVENUES>                                66,055
<CGS>                                           35,435
<TOTAL-COSTS>                                   35,435
<OTHER-EXPENSES>                                41,651
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 459
<INCOME-PRETAX>                                 (6,026)
<INCOME-TAX>                                         1
<INCOME-CONTINUING>                             (6,027)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (6,027)
<EPS-BASIC>                                      (0.42)
<EPS-DILUTED>                                    (0.42)