<PAGE>
FILED PURSUANT TO 424(b)(3)
REGISTRATION NO. 333-48259
SUNGARD DATA SYSTEMS INC.
SUPPLEMENT DATED APRIL 8, 1998
TO
PROSPECTUS DATED MARCH 27, 1998
This supplement provides new and additional information beyond that contained in
the Prospectus and should be retained and read in conjunction with such
Prospectus.
Under the caption "SELLING STOCKHOLDERS," the line items regarding Wallace
Aptman, Charles D. Klein, Joseph J. Nicholson and David P. Steinmann are amended
and restated as follows:
<TABLE>
<CAPTION>
# OF SHARES # OF SHARES
OWNED BEING # OF SHARES % OF SHARES
BEFORE THE OFFERED FOR OWNED AFTER OWNED AFTER
NAME OF SELLING STOCKHOLDER OFFERING SALE THE OFFERING THE OFFERING
- -----------------------------------------------------------------------------------------------------
<S> <C> <C> <C>
Wallace Aptman....................... 4,320 4,320 0 *
American Philanthropic Foundation....
100 100 0 *
Charles D. Klein..................... 5,980 5,980 0 *
Charles D. and Jane P. Klein
Foundation.......................... 1,560 1,560 0 *
Joseph J. Nicholson.................. 259,635 259,635 0 *
Joseph J. Nicholson Charitable
Remainder Unitrust...................
60,000 60,000 0 *
David P. Steinmann...................
13,740 13,740 0 *
1185 Park Foundation.................
1,600 1,600 0 *
______________________________
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* Less than one (1) percent of the outstanding Common Stock of SunGard.