XFX Pine Group RADEON HD 6850 775M 1GB DDR5XFX Radeon HD 6850775MMz 1GB DDR5 PCI-E 2.1. Chipset HD6850. Bus Type PCI-E 2.1. GPU Clock 775 MHz. Memory Bus 256bit. Memory Clock 4.0 GHz. Memory Size 1 GB. Memory Type DDR5. Stream Processors 960. ThermalSolution Dual Fan Fansink. Minimum Power Supply Requirement 500 Watt. XFX Recommended Power SupplyXFX 650W XXX edt PSU. Max Supported Resolution (ANALOG) 2048 x 1536. Max Supported Resolution (DIGITAL) 2560 x 1600.