Quad monitor business solution. Supports max 16 monitors. Each chip have its own 32MB DDR memory. Based on 4 die G450 chips. MMS = Multi-Monitor Series. Palcal's card: (605) MGI G45X4QUAD-B(605) MGI G45X4QUAD-B (605) MGI G45X4QUAD-B(605) MGI G45X4QUAD-B (605) MGI G45X4QUAD-B(605) MGI G45X4QUAD-B