求大神指点下这个电脑配置要怎么换玩LOL会流畅，最好省钱，大概要花多少！！！

内存加2G 显卡来个GT740 DDR5的 肯定没问题了，电源至少250W

再加2g内存，显卡至少是1g独立显卡，当然显卡段位越高越好

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