hello everyone,my friend gave me his GPU, a reference palit gtx 570,the card is idling around 46-50C , in dota 2 all maxed out ,i got 60-62C stable on that, and on BF4 all high with 4x aa, i got 70-73C with 99% gpu load and the fan on 70% , automatically configured. is this normal? is this safe for long hours of gaming? my resolution is 1366x768 only, tnx in advance for the answers .