Arrived new, 4870X2 product called name is "TRI-FANS" from ASUS. (Last versions: Asus 4870X2 , ASUS 4870X2 TOP). Everybody know reference cooling system, and BIOS is not the best, and cards very hot. ASUS knew that, so changed cooling system, and reprogrammed BIOS, and new card was born..
BOX:
Extreme Thermal, TRI-FANS solution:
CARD:
HEATSINK:
FETS:
TRI-FANS, Y.S.TECH:
OC: Overclocking is "normal" (usually higher overclockable than other brands) from ASUS, so card could do 830-840/950-975.
COOLING PERFORMANCE: I used Furmark stress test, and ran until 5min, then stop.
CONCLUSION:
The card have a great cooling solution. I remember, when first 4870X2 arrived, and it was 110C after 3 minutes ATiTool stress. Fan control is working very well as AUTO(it seems BIOS good too), but fan speed almost 100% at Load. So, quite loud, but much quiter than reference cooling system. Ideal fan speed is between 50 and 70 percent, so that was reason I set 60% for OC test, other way 90C+ with 50% fan speed for sure.
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