Matrox has long been a leading manufacturer and supplier of Multimonitor computer graphics boards..
The Matrox P650 was the first P-Series graphics adapters designed to use PCIe x16 slot.
The first generation was 64MB later revised to 128MB
A main features of the P650 are solid drivers and multi-monitor support.
The Matrox P650 in 2011 is a avilable new with 64MB and pulled units in 128MB configuration
Matrox has phased out the P650 series in favor of the P690 series which is also available on the site
Matrox P-Series P65-MDDE128 128MB Dual Output PCI Express x16 Graphics Adpater: