Ok so yes 6870 Old gpu nowadays very cheap 30-40 Euros. Im planing on Pc upgrade so here it is 2x http://www.amazon.com/dp/B00J8E8YSY/?tag=pcpapi-20 so 16 gb ram. SSD http://www.amazon.com/dp/B00KW3MTBS/?tag=pcpapi-20 for windows only and boot. And http://www.newegg.com/Product/Product.aspx?Item=N82E16817194039 PSU. Well all that will cost me around 170-180 euros. and my budged it 200-210 euros.. SO i was wondering is it ok to buy used 6870 hd ? ( to delay buying newer gpu ). + i have heard that in sli 6870 in gta shows 2gb of vram? lol... Sorry for my bad english. And my motherboard is http://www.newegg.com/Product/Product.aspx?Item=N82E16813128415 do i need to buy 2x4 gb ram or i can go with 1x8 + 1x8 ? i dont know that