<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.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                         157,248
<SECURITIES>                                     9,246
<RECEIVABLES>                                   10,713
<ALLOWANCES>                                      (335)
<INVENTORY>                                     11,692
<CURRENT-ASSETS>                               191,571
<PP&E>                                           6,574
<DEPRECIATION>                                   2,386
<TOTAL-ASSETS>                                 228,465
<CURRENT-LIABILITIES>                           14,969
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            15
<OTHER-SE>                                     210,767
<TOTAL-LIABILITY-AND-EQUITY>                   228,465
<SALES>                                         16,164
<TOTAL-REVENUES>                                16,474
<CGS>                                            9,137
<TOTAL-COSTS>                                    9,137
<OTHER-EXPENSES>                                11,837
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 310
<INCOME-PRETAX>                                 (4,235)
<INCOME-TAX>                                         1
<INCOME-CONTINUING>                             (4,236)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (4,236)
<EPS-BASIC>                                      (0.34)
<EPS-DILUTED>                                    (0.34)