AMD FirePro S400 100-505981 Synchronization Module Chipset Manufacturer: ATI Cooler: Fanless Operating Systems Supported: Framelock supported in OpenGL Windows XP, Windows Vista, Windows 7 and Linux 32 bit and 64 bit versions of OSes supported System Requirements: One or more supported GPUs Workstation with available PCI or PCIe slot 350-Watt power supply or greater (assumes fully loaded system) 512MB of system memory Package Contents: AMD FirePro S400 Synchronization Module Slot Width: Single slot