The Raptor 4000-LR and 4000e-LR support up to two monitors with two DVI outputs. Both heads support digital monitors and the outer head also drives analog monitors. The maximum resolution is 1920 × 1200 on either head. The cards support DDC/EDID and either head automatically configures to the native resolution of DDC compatible monitors. Resolutions can also be set through simple software configuration changes. The drivers are easy to install and the product is readily adapted to your changing needs.Bus Interface4000-LR: PCI / PCI-X4000e-LR: PCI-Express x1Compatible OSSun Microsystems SolarisSolaris x86HP-UXLinux Red HatMemory128MBOutput TerminalsDVI-D x 1, DVI-I x 1Maximum Power Consumption25 W or less