Am386DX-40 was released in 1992, so it can not appear in 1987.
The Intel 386-16 appeared first in 1986 in the Compaq DeskPro 386 system.
Probably the high-end CPU in 1982 was the Intel 80286-12.
Also Gravis Ultrasound was released in SB Pro time, before the SB16 appeared.
The 3dfx cards are 3d accelerators only and have no 2d portion like a regular video card.
Video Card Suggestion for:
1992 Number Nine GXiTC.
1993 SPEA Mercury Pro (S3 Vision928 4 MB VRAM)
1994 Diamond Stealth 64 Video VRAM VLB 4 MB
1995 ELSA Winner 2000PRO-PCI-8, S3 VirGE (if it is for 3D)
1996 miro CRYSTAL VRX or Diamond Fire GL 1000 (if it is for 3D)