<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 122
<NAME> Fidelity Advisor Dynamic Capital Appreciation Fund Class T
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
6-MOS
<FISCAL-YEAR-END>
NOV-30-2000
<PERIOD-END>
MAY-31-2000
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310,361
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324,233
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5,147
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0
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0
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329,380
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10,664
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0
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1,623
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12,287
<SENIOR-EQUITY>
0
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343,601
<SHARES-COMMON-STOCK>
10,588
<SHARES-COMMON-PRIOR>
2,386
<ACCUMULATED-NII-CURRENT>
(1,094)
<OVERDISTRIBUTION-NII>
0
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(39,286)
<OVERDISTRIBUTION-GAINS>
0
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13,872
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317,093
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352
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371
<OTHER-INCOME>
10
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1,827
<NET-INVESTMENT-INCOME>
(1,094)
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(38,383)
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5,537
<NET-CHANGE-FROM-OPS>
(33,940)
<EQUALIZATION>
0
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0
<DISTRIBUTIONS-OF-GAINS>
0
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0
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9,657
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1,455
<SHARES-REINVESTED>
0
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253,444
<ACCUMULATED-NII-PRIOR>
0
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(902)
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0
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0
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610
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0
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1,854
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114,206
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13.400
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(.070)
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2.440
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0
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0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
15.770
<EXPENSE-RATIO>
155
</TABLE>
