Diablo II's single-player minimum system requirements are PentiumŪ 233 or equivalent, 32 MB RAM, 650 MB available hard drive space, 4X CD-ROM drive and DirectX compatible video card.  
Additional multiplayer system requirements include 64 MB RAM, 950 MB available hard drive space and 28.8 Kbps or faster modem.  The game also offers optional 3D acceleration by supporting Glide and Direct 3D 
compatible video cards with at least 8MB of video RAM. Direct 3D requires 
64 MB of system RAM.