This packaging GT610 is effective. the temperature does not exceed 40 ° C, which shows the effectiveness of the passive radiator, so silent, with its multiple fins. Which for me is essential on a PC that sometimes serves as my PC multimedia. Its hardware decoding, for its 48 CUDA core, makes the playback of HD videos without CPU usage with XBMC media center under Fedora 20, the NVIDIA proprietary driver installed from the rest rpmfusion.org standard, and equipped only to Motherboard an AMD Athlon (tm) II X2 250 (dual core). I never used its 48 core GPU for games or scientific computing. So I can not evaluate it from this point of view