“Palit own design RadeonT HD 4870 Sonic Dual Edition with dual bios and dual fan makes overclocking a piece of cake! Palit Microsystems, leading graphics card manufacturer, today proudly announces the Palit own design RadeonT HD 4870 Sonic Dual Edition, which is a revolutionary graphics solution with dual bios and dual fan. This Palit own design graphics solution with world's leading "Smart Switch" technology makes overclocking an easy thing; it is also equipped with the one and only cooling system that allows users to turbocharge the speed with no worries about noise and heat!

With dual bios design, Palit RadeonT HD 4870 Sonic Dual Edition has a core frequency of 750 MHz and 512 MB of cutting edge GDDR5 memory at 3.8 GHz. With a flick of the "Smart Switch" button the card will turbocharge to 4GHz memory speed and 775 MHz core! Overclocking becomes easy and friendly! All that you have to do is to adjust the switch and reboot, there is no need for any 3rd party software. In addition, the 4-phase power supply system on Palit RadeonT HD 4870 Sonic Dual edition provides a more robust and stable energy distribution system allowing the graphics card to maintain a lower operating temperature therefore, lengthening the life of the card. The dual fan cooling system on Palit RadeonT HD 4870 Sonic Dual Edition is designed to provide more airflow but to work in lower RPM which allows the graphics card to remain in a quieter status. The left side PWM fan will adjust its fan speed depends on GPU temperature allows the cooling system to work more effectively; the right side fan will stay in low speed to provide sufficient airflow to cool the power area. In addition to this unique fan control design, this cooling system equipped with full cooper base and three heat pipes further increase the thermal efficiency. As a future proof graphics card, Palit RadeonT HD 4870 Sonic Dual Edition is equipped with the advanced DisplayPort, dual DVI, and HDMI. It supports ATI CrossFireXT Technology, along with the latest PCI-Express 2.0 platform and Microsoft DirectXR 10.1 Shader Model 4.1 technology delivering the best gaming, video playback and computational GPU solution. ”