Barr3l Rid3r, if You look close, You'll see, that it's DDR3. On TechPowerUp, there's 3 different Gigabyte HD3870 512MB DDR3 BIOS versions. The mentioned one is newest. BIOS ver .760 :P
2 different .070 are there also...
Also the def clock are all 780/950

Giga's DDR3s are all Qimonda 1.0ns?