三风扇怪兽：同德非公版GTX 680抢先测试-快科技-科技改变生活

三风扇怪兽：同德非公版GTX 680抢先测试

Tony.Chiu
2012年04月02日 11:51
0

同德非公版GTX 680拆解

PCB一览，给予公版PCB线路进行了强化，部分元器件和公版卡比较类似。

供电部分有所加强，由公版的4相核心供电升级到6相，MOS部分也换用电气性能更佳的DrMOS，PWM主控来自安森美的NCP4200r芯片。显存供电依然为两相，没有太大变化。

核心供电滤波部分采用钽电容。

SLI金手指，最多可搭建4路。

散热器尺寸相当大，配合三枚直吹式风扇可以照顾到PCB全部。

散热器采用铜质底座，通过焊接连接4根8mm热管。

编号为“GK104-400-A2”的核心，12年第6周生产，28nm工艺，由台积电代工。

GDDR5显存颗粒来自海力士，正面8颗共组成2GB/256-bit的显存规格。

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