Sapphire HD4890 1GB GDDR5 ￥ 1599 850/3900 1024/256 DDR5

Power supply recommended ENERMAX Eco Tip 80 + Intelligent 500W ￥ 750 12/1 24A 12/2 24A

Tests show that graphics cards running large data 12/1 require 20A to be more stable, so recommend ENERMAX this power supply!

Rated 500W. Tests have shown that graphics cards running big data 12/1 require 20A to be more stable, so we recommend this power supply Enermax!

Two 5770s are almost as good as buying a 5870, and how big of a power supply do you need to replace the independent power supply?