THIS CARD IS FOR SMALL FORM FACTOR (SFF) OR SLIMLINE MODELS, NOT FULL TOWERS. OptiPlex: GX280 GX620 320 330 360 380 390 580 740 745 750 755 760 780 790 960 980 990 3010 3020 3040 3046 3050 3060 3070 3080 3090 5040 5050 5055 5060 5070 5080 5090 7010 7020 7040 7050 7060 7070 7080 7090 9010 9020 XE XE2 XE3 XE4 SFF (Small Form Factor) and Desktop (Slim) models.
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