This graphics adapter is compatible with a Zorro II slot (A2000 - A4000), and with an adapter also the A500. Specifications: Integrated monitor switcher (Amiga / VGA). Cirrus GD5434, 2 MB Blitter, 24 bits 800x600 (65Hz), 16 bits 1024x768 (75Hz) and 8 bits 1280x1024 (60Hz).